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  • MPEC 2020-G90 : 2020 GJ2

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    M.P.E.C. 2020-G90                                Issued 2020 April 12, 03:14 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2020 GJ2                                 
    
    
    Observations:
         K20G02J  C2020 03 23.38292508 55 48.368+16 07 51.43         21.5 GVEG090F51
         K20G02J  C2020 03 23.41202308 55 50.019+16 08 16.34         21.9 GVEG090F51
         K20G02J  C2020 03 23.42666808 55 50.917+16 08 28.74         21.6 GVEG090F51
         K20G02J* C2020 04 11.27414 11 04 09.16 +25 36 32.1          19.3 GVEG090703
         K20G02J  C2020 04 11.27936 11 04 15.34 +25 36 45.2          19.3 GVEG090703
         K20G02J  C2020 04 11.28459 11 04 21.64 +25 36 57.5                VEG090703
         K20G02J  C2020 04 11.28982 11 04 27.98 +25 37 09.6                VEG090703
         K20G02J  C2020 04 11.35767 11 05 51.65 +25 39 41.9          19.7 GVEG090I52
         K20G02J  C2020 04 11.36178 11 05 56.83 +25 39 50.7          19.6 GVEG090I52
         K20G02J  C2020 04 11.36293 11 05 58.26 +25 39 53.8          19.8 GVEG090I52
         K20G02J  C2020 04 11.36408 11 05 59.71 +25 39 55.7          19.0 GVEG090I52
         K20G02J KC2020 04 11.79218 11 15 55.54 +25 57 00.9          19.2 VVEG090L04
         K20G02J KC2020 04 11.80278 11 16 09.69 +25 57 27.1          19.2 VVEG090L04
         K20G02J KC2020 04 11.80398 11 16 11.33 +25 57 30.6          19.3 VVEG090L04
         K20G02J  C2020 04 11.80995 11 16 20.93 +25 57 34.0                VEG090246
         K20G02J  C2020 04 11.81008 11 16 21.24 +25 57 34.5                VEG090246
         K20G02J  C2020 04 11.81022 11 16 21.34 +25 57 34.5                VEG090246
         K20G02J  C2020 04 11.81036 11 16 21.44 +25 57 34.3                VEG090246
         K20G02J  C2020 04 11.81050 11 16 21.69 +25 57 34.5          19.1 GVEG090246
         K20G02J  C2020 04 11.81091 11 16 22.27 +25 57 36.6                VEG090246
         K20G02J KC2020 04 11.81141 11 16 23.63 +25 57 46.5          19.0 RVEG090K51
         K20G02J FC2020 04 11.81209 11 16 23.83 +25 57 39.0                VEG090246
         K20G02J FC2020 04 11.81223 11 16 24.04 +25 57 39.5                VEG090246
         K20G02J FC2020 04 11.81237 11 16 24.22 +25 57 40.3                VEG090246
         K20G02J FC2020 04 11.81292 11 16 25.00 +25 57 41.5                VEG090246
         K20G02J KC2020 04 11.81321 11 16 26.08 +25 57 51.1          18.7 RVEG090K51
         K20G02J KC2020 04 11.81501 11 16 28.49 +25 57 55.5          18.7 RVEG090K51
         K20G02J KC2020 04 11.82565 11 16 43.21 +25 58 28.2          20.1 GVEG090K63
         K20G02J KC2020 04 11.82808411 16 48.34 +25 58 39.6          19.4 GVEG090B49
         K20G02J KC2020 04 11.83043411 16 51.50 +25 58 45.9          20.2 GVEG090B49
         K20G02J KC2020 04 11.83263 11 16 52.58 +25 58 46.6          19.9 GVEG090K63
         K20G02J KC2020 04 11.83580411 16 58.72 +25 58 59.7          20.3 GVEG090B49
         K20G02J KC2020 04 11.83844 11 17 00.39 +25 59 00.4          19.5 GVEG090K63
         K20G02J KC2020 04 11.84053211 17 05.02 +25 59 11.1          19.3 GVEG090B37
         K20G02J KC2020 04 11.84221111 17 07.26 +25 59 15.2          19.6 GVEG090B37
         K20G02J KC2020 04 11.84388911 17 09.51 +25 59 19.4          19.5 GVEG090B37
         K20G02J KC2020 04 11.84725111 17 14.09 +25 59 28.1          19.3 GVEG090B37
         K20G02J KC2020 04 11.84898711 17 16.39 +25 59 32.2          19.6 GVEG090B37
         K20G02J KC2020 04 11.85588511 17 25.72 +25 59 49.0          19.2 GVEG090B37
         K20G02J KC2020 04 11.85714011 17 24.80 +25 59 41.7          19.6 GVEG090L01
         K20G02J KC2020 04 11.85815 11 17 27.00 +25 59 27.3          18.5 RVEG090A17
         K20G02J KC2020 04 11.85819511 17 26.20 +25 59 44.1          19.5 GVEG090L01
         K20G02J KC2020 04 11.85924111 17 27.61 +25 59 46.5          19.5 GVEG090L01
         K20G02J KC2020 04 11.86029911 17 29.03 +25 59 49.1          19.5 GVEG090L01
         K20G02J KC2020 04 11.86136711 17 30.48 +25 59 51.7          19.6 GVEG090L01
         K20G02J KC2020 04 11.86294 11 17 33.16 +25 59 37.9          19.3 GVEG090K87
         K20G02J KC2020 04 11.86693 11 17 38.92 +25 59 48.3          18.4 RVEG090A17
         K20G02J KC2020 04 11.86880 11 17 43.43 +26 00 08.9          18.7 VqEG090I93
         K20G02J KC2020 04 11.87127 11 17 46.78 +26 00 14.9          19.4 VqEG090I93
         K20G02J KC2020 04 11.87186 11 17 44.51 +25 59 54.1          19.2 VSEG090C43
         K20G02J KC2020 04 11.87329 11 17 47.28 +26 00 02.4          19.1 GVEG090K87
         K20G02J KC2020 04 11.87390 11 17 47.27 +25 59 58.9          19.2 VSEG090C43
         K20G02J KC2020 04 11.87418 11 17 50.74 +26 00 21.9          18.9 VqEG090I93
         K20G02J KC2020 04 11.87570 11 17 50.81 +26 00 08.6          18.4 RVEG090A17
         K20G02J KC2020 04 11.87594 11 17 50.08 +26 00 03.1          19.1 VSEG090C43
         K20G02J KC2020 04 11.87798 11 17 52.83 +26 00 07.2          18.8 VSEG090C43
         K20G02J KC2020 04 11.88123 11 17 58.30 +26 00 36.7          18.8 GVEG090203
         K20G02J KC2020 04 11.88262411 17 59.22 +26 00 20.3          18.9 GVEG090G34
         K20G02J KC2020 04 11.88365 11 18 01.31 +26 00 26.0          18.6 GVEG090K87
         K20G02J KC2020 04 11.88616711 18 04.07 +26 00 27.7          18.9 GVEG090G34
         K20G02J KC2020 04 11.88970911 18 08.90 +26 00 36.0          18.8 GVEG090G34
         K20G02J KC2020 04 11.89194 11 18 13.20 +26 00 55.6          20.2 RVEG090K30
         K20G02J KC2020 04 11.89325111 18 13.75 +26 00 44.1          18.6 GVEG090G34
         K20G02J KC2020 04 11.89500211 18 18.60 +26 00 38.4          19.1 GVEG090Z99
         K20G02J KC2020 04 11.89679411 18 18.56 +26 00 52.0          19.0 GVEG090G34
         K20G02J KC2020 04 11.89714 11 18 19.87 +26 01 13.2          19.1 GVEG090203
         K20G02J KC2020 04 11.89877811 18 23.80 +26 00 47.2          19.1 GVEG090Z99
         K20G02J KC2020 04 11.89964 11 18 23.52 +26 01 23.9          19.1 VqEG090C77
         K20G02J KC2020 04 11.89992 11 18 22.46 +26 01 06.6          18.8 GVEG090C47
         K20G02J KC2020 04 11.90033711 18 23.41 +26 01 00.2          18.9 GVEG090G34
         K20G02J KC2020 04 11.90252511 18 28.93 +26 00 56.0          18.9 GVEG090Z99
         K20G02J KC2020 04 11.90471 11 18 30.44 +26 01 35.0          18.9 VqEG090C77
         K20G02J KC2020 04 11.90679 11 18 31.84 +26 01 21.9          19.0 GVEG090C47
         K20G02J KC2020 04 11.90860 11 18 35.87 +26 01 33.7          18.5 RVEG090K30
         K20G02J KC2020 04 11.90999 11 18 37.61 +26 01 47.4          19.3 VqEG090C77
         K20G02J KC2020 04 11.91308 11 18 41.52 +26 01 49.0          19.0 GVEG090203
         K20G02J  C2020 04 11.91355 11 18 41.81 +26 01 28.9          18.2 VVEG090033
         K20G02J KC2020 04 11.91366 11 18 41.23 +26 01 36.8          18.9 GVEG090C47
         K20G02J  C2020 04 11.91424 11 18 42.76 +26 01 30.4          18.3 VVEG090033
         K20G02J  C2020 04 11.91493 11 18 43.72 +26 01 32.1          18.2 VVEG090033
         K20G02J KC2020 04 11.92054 11 18 50.62 +26 01 51.5          18.7 GVEG090C47
         K20G02J KC2020 04 11.92054 11 18 52.14 +26 02 00.2          18.6 RVEG090K30
         K20G02J KC2020 04 11.92481411 18 59.75 +26 01 54.5          18.9 GVEG090J95
         K20G02J KC2020 04 11.92714511 19 02.94 +26 01 59.4          18.9 GVEG090J95
         K20G02J KC2020 04 11.92798 11 19 00.80 +26 02 07.3          18.6 GVEG090C47
         K20G02J KC2020 04 11.92948911 19 06.19 +26 02 05.0          19.2 GVEG090J95
         K20G02J KC2020 04 11.93183911 19 09.40 +26 02 10.0          19.0 GVEG090J95
         K20G02J HC2020 04 12.00595 11 20 49.66 +26 05 00.3          20   GVEG090204
         K20G02J HC2020 04 12.01744 11 21 05.78 +26 05 22.4                VEG090204
         K20G02J KC2020 04 12.06325 11 22 28.59 +26 07 55.6          19.6 GVEG090W34
         K20G02J KC2020 04 12.06565 11 22 31.92 +26 08 01.4          18.7 GVEG090W34
         K20G02J KC2020 04 12.06821 11 22 35.55 +26 08 07.0          19.3 GVEG090W34
         K20G02J KC2020 04 12.07147 11 22 40.07 +26 08 15.2          19.3 GVEG090W34
         K20G02J KC2020 04 12.07536 11 22 45.46 +26 08 25.1          18.9 GVEG090W34
         K20G02J KC2020 04 12.07839 11 22 49.69 +26 08 32.1          19.2 GVEG090W34
         K20G02J KC2020 04 12.08374 11 22 57.21 +26 08 44.6          19.1 GVEG090W34
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C. 
       Hoegner, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
    203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.  
        0.36-m f/5.76 Schmidt-Cassegrain + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy. 
        1.06-m f/2.7 reflector + 2048x2048 CCD.
    703 Catalina Sky Survey.  Observer T. A. Pruyne.  Measurers E. J. Christensen, 
       G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A. 
       Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L. Seaman,
        F. C. Shelly, K. W. Wierzchos.  0.68-m Schmidt + 10K CCD.
    A17 Guidestar Observatory, Weinheim.  Observers M. Emmerich, S. Melchert.  
        0.36-m f/6 Schmidt-Cassegrain + CCD.
    B37 Obs. de L Ametlla del Valles, Barcelona.  Observer A. Garrigos.  0.51-m 
       reflector + CCD.
    B49 Paus Observatory, Sabadell.  Observer J. Camarasa.  0.30-m f/4 reflector + 
       CCD.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    C47 Nonndorf.  Observer G. Dangl.  0.25-m f/4.8 reflector + CCD.
    C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/4.0 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A. 
       Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. 
       Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    G34 Oberfrauendorf.  Observer T. Felber.  0.35-m f/6.3 Schmidt-Cassegrain + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.  
        Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. 
       Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. 
       Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m 
       reflector + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain 
       + CCD.
    K30 Luscherz.  Observer L. Grimm.  0.25-m f/4.8 Newtonian reflector + CCD.
    K51 Osservatorio del Celado, Castello Tesino.  Observers G. Favero, R. Furgoni. 
        Measurer R. Furgoni.  0.80-m f/4 reflector + CCD.
    K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.4-m 
       f/3.2 Newtonian reflector + CCD.
    K87 Dettelbach Vineyard Observatory.  Observer B. Haeusler.  0.3-m f/5.7 
       Schmidt-Cassegrain + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector + 
       CCD.
    L04 ROASTERR-1 Observatory, Cluj-Napoca.  Observer L. Hudin.  0.3-m f/5 
       reflector + CCD.
    W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.35-m f/1.9 
       Schmidt-Cassegrain + CCD.
    Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8 
       Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2020 GJ2                                                 Earth MOID = 0.0289 AU
    Epoch 2020 May 31.0 TT = JDT 2459000.5                  Bell
    M   9.34932              (2000.0)            P               Q
    n   0.20613793     Peri.   24.22768     -0.90343490     +0.42872465
    a   2.8381201      Node   181.15978     -0.39916683     -0.84178664
    e   0.6378084      Incl.    2.13044     -0.15643283     -0.32800980
    P   4.78           H   24.7           G   0.15           U   6
    Residuals in seconds of arc
    200323 F51  0.1+  0.1+    200411 K63  0.4+  0.1-    200411 G34  0.0   0.2-
    200323 F51  0.2-  0.0     200411 B37  0.2-  0.1-    200411 203  0.0   0.1-
    200323 F51  0.1+  0.1-    200411 B37  0.5-  0.2-    200411 Z99  0.1-  0.0
    200411 703  0.7+  0.3-    200411 B37  0.6-  0.2-    200411 C77  0.8-  0.4+
    200411 703  1.0-  0.3+    200411 B37  0.2+  0.1+    200411 C47  0.1+  0.1+
    200411 703  1.4-  0.2+    200411 B37  0.3-  0.1-    200411 G34  0.2+  0.1+
    200411 703  1.4-  0.0     200411 B37  0.2+  0.4-    200411 Z99  0.1-  0.1+
    200411 I52  0.3+  0.2-    200411 L01  0.1+  0.1-    200411 C77  0.2-  0.0
    200411 I52  0.7+  0.2-    200411 A17  0.3-  0.0     200411 C47  0.2+  0.2+
    200411 I52  0.6+  0.4+    200411 L01  0.2-  0.2-    200411 K30  0.3+  0.1+
    200411 I52  0.7+  0.2-    200411 L01  0.2-  0.3-    200411 C77  0.1-  0.6+
    200411 L04  0.5+  0.0     200411 L01  0.3-  0.1-    200411 203  0.1-  0.1-
    200411 L04  0.1-  0.1-    200411 L01  0.1-  0.1-    200411 033  0.4-  0.4-
    200411 L04  0.3+  0.4+    200411 K87  0.8-  0.2-    200411 C47  0.3+  0.1+
    200411 246  0.1-  0.2+    200411 A17  0.0   0.1+    200411 033  0.3-  0.4-
    200411 246  1.7+  0.3+    200411 I93  0.4-  0.1-    200411 033  0.1-  0.2-
    200411 246  0.5+  0.0     200411 I93  0.3-  0.1-    200411 C47  0.0   0.0
    200411 246  0.6-  0.6-    200411 C43  0.0   0.8+    200411 K30  0.2+  0.0
    200411 246  0.2+  0.7-    200411 K87  0.3+  0.0     200411 J95  0.0   0.2+
    200411 246  0.6+  0.4+    200411 C43  0.2-  0.9+    200411 J95  0.1-  0.1-
    200411 K51  0.1-  0.0     200411 I93  0.0   0.2-    200411 C47  0.3-  0.1-
    200411 246  0.2+  0.2-    200411 A17  0.1-  0.3-    200411 J95  0.3+  0.2+
    200411 246  0.5+  0.0     200411 C43  0.3+  0.4+    200411 J95  0.1+  0.1-
    200411 246  0.3+  0.4+    200411 C43  0.0   0.2-    200412 204  0.0   0.2+
    200411 246  0.9+  0.3+    200411 203  0.2-  0.1-    200412 204  0.1-  0.3+
    200411 K51  0.3+  0.1+    200411 G34  0.5-  0.2+    200412 W34  0.2-  0.2+
    200411 K51  0.1+  0.1-    200411 K87  0.2-  0.4-    200412 W34  0.5-  0.2+
    200411 K63  0.5+  0.7-    200411 G34  0.1-  0.5-    200412 W34  0.3+  0.4-
    200411 B49  0.2+  0.3-    200411 G34  0.0   0.2-    200412 W34  0.1-  0.1-
    200411 B49  0.2+  0.0     200411 K30  0.0   0.2-    200412 W34  0.6-  0.4+
    200411 K63  0.4+  0.4+    200411 G34  0.3+  0.1-    200412 W34  0.5-  0.1+
    200411 B49  0.1+  0.2+    200411 Z99  0.5-  0.0     200412 W34  0.2+  0.1-
    
    Ephemeris:
    2020 GJ2                 a,e,i = 2.84, 0.64, 2                   q = 1.0279
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2020 03 13    08 49 37.6 +13 58 26   0.1645  1.1220   138.2    36.1    22.5
    ...
    2020 03 28    09 04 44.5 +17 29 17   0.09708 1.0581   126.0    49.8    21.6
    ...
    2020 04 05    09 41 30.2 +21 05 16   0.06311 1.0379   125.0    52.2    20.7
    ...
    2020 04 11    10 58 28.6 +25 25 02   0.04066 1.0298   132.0    46.3    19.6
    2020 04 12    11 20 47.8 +26 06 21   0.03760 1.0291   134.4    44.1    19.3
    2020 04 13    11 47 09.5 +26 36 59   0.03489 1.0285   137.0    41.7    19.1
    ...
    2020 04 19    15 20 49.4 +18 58 15   0.03078 1.0289   142.2    36.7    18.7
    ...
    2020 04 27    17 48 28.3 +02 13 21   0.05474 1.0393   125.5    52.0    20.4
    ...
    2020 05 12    18 44 51.6 -06 49 20   0.1187  1.0873   128.0    47.1    22.0
    
    A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-G90
    


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