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  • MPEC 2017-R54 : 2017 RU1

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    M.P.E.C. 2017-R54                                Issued 2017 Sept. 14, 02:12 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
    
                                       2017 RU1
    
    Observations:
         K17R01U* C2017 09 11.39393 21 34 16.29 -18 03 28.0          18.2 oLER054T08
         K17R01U  C2017 09 11.40228 21 34 14.08 -18 01 58.4          18.4 oLER054T08
         K17R01U  C2017 09 11.41024 21 34 12.08 -18 00 33.3          18.1 oLER054T08
         K17R01U  C2017 09 11.41856 21 34 09.87 -17 59 05.0          18.6 oLER054T08
         K17R01U  C2017 09 12.15734621 31 27.57 -15 46 52.0          18.4 GUER054H01
         K17R01U  C2017 09 12.16418021 31 25.86 -15 45 38.2          18.5 GUER054H01
         K17R01U  C2017 09 12.17704721 31 22.63 -15 43 19.4          18.7 GUER054H01
         K17R01U  C2017 09 12.18529821 31 20.56 -15 41 50.2          18.8 GUER054H01
         K17R01U KC2017 09 12.47489 21 30 16.42 -14 47 58.5          18.5 VqER054E23
         K17R01U KC2017 09 12.48505 21 30 13.84 -14 46 08.5                qER054E23
         K17R01U KC2017 09 12.49522 21 30 11.36 -14 44 18.0          17.9 VqER054E23
         K17R01U  C2017 09 12.50257 21 30 10.96 -14 44 27.1          18.8 RrER054P93
         K17R01U  C2017 09 12.50489 21 30 10.35 -14 44 01.9          18.9 RrER054P93
         K17R01U  C2017 09 12.50721 21 30 09.79 -14 43 36.5          19.0 RrER054P93
         K17R01U  C2017 09 12.50957 21 30 09.22 -14 43 11.1          18.8 RrER054P93
         K17R01U  C2017 09 12.51187 21 30 08.61 -14 42 46.0          18.9 RrER054P93
         K17R01U KC2017 09 12.79998 21 29 06.89 -13 50 34.0                UER054587
         K17R01U KC2017 09 12.80274 21 29 06.24 -13 50 03.7          18.4 RUER054587
         K17R01U KC2017 09 12.80595 21 29 05.47 -13 49 28.9                UER054587
         K17R01U KC2017 09 12.80961 21 29 04.09 -13 48 54.1                qER054C43
         K17R01U KC2017 09 12.81316 21 29 03.35 -13 48 15.4                qER054C43
         K17R01U KC2017 09 12.82591 21 29 00.30 -13 45 55.0          18.6 RqER054K61
         K17R01U KC2017 09 12.82677 21 29 00.12 -13 45 45.3          18.7 RqER054K61
         K17R01U KC2017 09 12.82781 21 28 59.88 -13 45 34.3          16.9 RqER054K61
         K17R01U KC2017 09 12.82842 21 28 59.73 -13 45 27.7          17.0 RqER054K61
         K17R01U  C2017 09 12.86040 21 28 53.08 -13 39 32.9          18.4 RqER054B74
         K17R01U KC2017 09 12.86092 21 28 52.48 -13 39 29.0          19.5 VqER054C77
         K17R01U  C2017 09 12.86301 21 28 52.46 -13 39 04.3          18.3 RqER054B74
         K17R01U KC2017 09 12.86476 21 28 51.52 -13 38 49.0          18.4 VqER054C77
         K17R01U  C2017 09 12.86820 21 28 51.21 -13 38 07.9          18.3 RqER054B74
         K17R01U KC2017 09 12.86853 21 28 50.63 -13 38 06.5          18.9 VqER054C77
         K17R01U 9C2017 09 12.93317 21 28 36.92 -13 26 05.2          19.6 VUER054G40
         K17R01U KC2017 09 12.93592 21 28 33.97 -13 25 50.7          19.3 VqER054595
         K17R01U 9C2017 09 12.93995 21 28 35.17 -13 24 51.3          19.6 VUER054G40
         K17R01U KC2017 09 12.94452 21 28 31.95 -13 24 16.5          19.5 VqER054595
         K17R01U KC2017 09 13.18490 21 27 42.53 -12 40 14.4                oER054711
         K17R01U KC2017 09 13.18749 21 27 41.89 -12 39 45.5                oER054711
         K17R01U  C2017 09 13.24241 21 27 29.03 -12 29 46.2          18.3 VqER054I52
         K17R01U  C2017 09 13.24282 21 27 28.94 -12 29 41.6          18.4 VqER054I52
         K17R01U  C2017 09 13.24324 21 27 28.84 -12 29 37.1          18.0 VqER054I52
         K17R01U  C2017 09 13.24366 21 27 28.74 -12 29 32.6          18.4 VqER054I52
         K17R01U HC2017 09 13.26207 21 27 24.33 -12 26 09.9          18.4 RoER054691
         K17R01U HC2017 09 13.27068 21 27 22.23 -12 24 35.4          18.4 RoER054691
         K17R01U HC2017 09 13.27928 21 27 20.14 -12 23 00.8          18.6 RoER054691
         K17R01U  C2017 09 13.32242 21 27 13.452-12 14 56.05         19.4 wLER054F51
         K17R01U  C2017 09 13.34961 21 27 06.774-12 09 58.41         19.6 wLER054F51
         K17R01U  C2017 09 13.36323 21 27 03.423-12 07 28.90         19.2 wLER054F51
         K17R01U KC2017 09 13.80307121 25 33.48 -10 47 25.5          17.3  qER054B04
         K17R01U KC2017 09 13.80432921 25 33.17 -10 47 11.7          18.4  qER054B04
         K17R01U KC2017 09 13.83496 21 25 25.91 -10 41 34.9          18.5 RqER054104
         K17R01U KC2017 09 13.84052 21 25 24.64 -10 40 34.2          18.4 RqER054104
         K17R01U KC2017 09 13.84663 21 25 23.24 -10 39 26.6                qER054104
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m f/4 reflector + CCD.
    587 Sormano.  Observers A. Carcano, E. Colzani, A. Testa, G. Ventre.  Measurer
        A. Testa.  0.5-m f/6.8 reflector + CCD.
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.61-m f/4.0 reflector + CCD.
    691 Steward Observatory, Kitt Peak.  Observer A. F. Tubbiolo.  0.9-m f/3
        reflector + CCD.
    711 McDonald Observatory.  Observer J. G. Ries.  2.1-m reflector + CCD + focal
        reducer.
    B04 OAVdA, Saint-Barthelemy.  Observers A. Carbognani, M. Collotti, M. Wolter.
        0.81-m f/4.7 reflector + CCD.
    B74 Santa Maria de Montmagastrell.  Observer J. M. Bosch.  0.40-m f/10
        Schmidt-Cassegrain + CCD.
    C43 Hoyerswerda.  Observer P. Lindner.  0.30-m f/6.3 Schmidt-Cassegrain + CCD.
    C77 Bernezzo Observatory.  Observer A. Mantero.  0.25-m f/4.0 reflector + CCD.
    E23 Arcadia.  Observer A. Hidas.  0.35-m f/1.9 reflector + CCD.
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
        M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
        M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk.  1.8-m
        Ritchey-Chretien + CCD.
    G40 Slooh.com Canary Islands Observatory.  Observer B. Lutkenhoner.  0.5-m
        f/6.8 Corrected Dall-Kirkham + CCD.
    H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
        Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer R. G. Matheny.
        Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
        J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
        R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
    K61 Rokycany Observatory.  Observer M. Adamovsky.  0.51-m f/6.8 reflector
        + CCD.
    P93 Space Tracking and Communications Center, JAXA.  Observers K. Nishiyama,
        A. Asami.  1.0-m f/3.0 reflector + CCD.
    T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, A. Heinze, H. Weiland,
        B. Stalder, J. Tonry.  Measurers L. Denneau, A. Heinze, J. Tonry.  0.5-m
        f/2.0 Schmidt + CCD.
    
    Orbital elements:
    2017 RU1                                                 Earth MOID = 0.0911 AU
    Epoch 2017 Sept. 4.0 TT = JDT 2458000.5                 MPC
    M 344.26512              (2000.0)            P               Q
    n   0.53439886     Peri.   20.48413     +0.98756942     -0.14003856
    a   1.5039234      Node   346.93919     +0.05855210     +0.74921721
    e   0.2787512      Incl.   18.41423     +0.14587083     +0.64735058
    P   1.84           H   22.4           G   0.15           U   7
    Residuals in seconds of arc
    170911 T08  0.2-  0.4+    170912 587  0.4-  0.3+    170913 711  0.4+  0.4+
    170911 T08  0.6-  0.5+    170912 C43  0.7-  0.2-    170913 I52  0.0   0.0
    170911 T08  0.4+  0.2+    170912 C43  0.8+  0.2-    170913 I52  0.1+  0.1+
    170911 T08  0.2-  0.8-    170912 K61  0.7-  0.3+    170913 I52  0.1+  0.0
    170912 H01  0.2+  0.3-    170912 K61  0.3-  0.6+    170913 I52  0.2+  0.1-
    170912 H01  0.2+  0.2-    170912 K61  0.2-  0.3+    170913 691  0.2+  0.1+
    170912 H01  0.1+  0.3-    170912 K61  0.3-  0.3+    170913 691  0.0   0.0
    170912 H01  0.2+  0.2-    170912 B74  0.1+  0.2-    170913 691  0.1-  0.1+
    170912 E23  0.1+  0.4+    170912 C77  0.4+  0.6+    170913 F51  0.2-  0.0
    170912 E23  0.6-  0.0     170912 B74  0.3+  0.0     170913 F51  0.1-  0.2-
    170912 E23  0.2+  0.0     170912 C77  0.1-  1.2-    170913 F51  0.2-  0.1-
    170912 P93  0.5+  0.4-    170912 B74  0.4+  0.1-    170913 B04  0.2+  0.1-
    170912 P93  0.0   0.4-    170912 C77  0.2+  0.2+    170913 B04  0.1-  0.1-
    170912 P93  0.2+  0.1-    170912 G40  0.7+  0.3+    170913 104  0.3-  0.1-
    170912 P93  0.4+  0.3-    170912 595  0.1+  0.3+    170913 104  0.1+  0.3-
    170912 P93  0.2-  0.2-    170912 G40  0.4-  0.2+    170913 104  0.5+  0.3+
    170912 587  0.4-  0.1+    170912 595  0.6+  0.3+
    170912 587  0.3-  0.4+    170913 711  0.5+  0.2-
    
    Ephemeris:
    2017 RU1                 a,e,i = 1.50, 0.28, 18                  q = 1.0847
    Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
    2017 08 15    23 29 04.0 -58 39 16   0.2133  1.1637   130.9    41.1    21.0
    ...
    2017 08 30    22 28 36.6 -46 15 30   0.1402  1.1246   142.8    32.9    19.8
    ...
    2017 09 07    21 52 08.5 -30 13 51   0.1139  1.1086   150.8    26.3    19.1
    ...
    2017 09 13    21 28 21.7 -13 13 09   0.1058  1.0991   150.0    27.2    18.9
    2017 09 14    21 24 50.6 -10 10 24   0.1057  1.0978   148.9    28.3    19.0
    2017 09 15    21 21 28.0 -07 07 26   0.1059  1.0965   147.5    29.5    19.0
    ...
    2017 09 21    21 04 17.6 +10 05 30   0.1142  1.0901   136.8    39.1    19.4
    ...
    2017 09 29    20 49 32.4 +27 12 59   0.1397  1.0854   123.6    50.2    20.2
    ...
    2017 10 14    20 42 27.4 +44 12 48   0.2061  1.0886   111.0    58.8    21.3
    
    A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-R54
    

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