MPEC 2020-F137 : 2020 FX4
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M.P.E.C. 2020-F137 Issued 2020 March 25, 20:48 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 FX4
Observations:
K20F04X C2019 11 02.57085604 31 21.841+01 07 03.65 23.3 GVEF137F51
K20F04X C2019 11 02.58257604 31 21.598+01 06 52.83 23.3 GVEF137F51
K20F04X C2019 11 02.59443604 31 21.322+01 06 42.25 23.5 GVEF137F51
K20F04X C2019 11 05.45112504 30 20.864+00 22 04.16 22.1 GVEF137F52
K20F04X C2019 11 26.39248004 12 11.237-05 27 55.89 22.9 GVEF137F51
K20F04X C2019 12 03.41801104 02 20.482-07 16 12.45 22.7 GVEF137F52
K20F04X C2019 12 30.27874403 22 51.467-10 28 30.09 22.0 GVEF137F52
K20F04X C2020 01 20.22396703 10 07.781-07 35 55.68 22.1 GVEF137F51
K20F04X C2020 01 20.23550303 10 07.650-07 35 45.57 21.8 GVEF137F51
K20F04X C2020 01 20.24704003 10 07.517-07 35 35.45 22.0 GVEF137F51
K20F04X C2020 01 20.25857803 10 07.384-07 35 25.00 21.9 GVEF137F51
K20F04X C2020 01 22.22492103 10 09.833-07 05 13.12 21.7 GVEF137F52
K20F04X C2020 01 22.25207503 10 09.711-07 04 46.98 20.9 GVEF137F52
K20F04X* C2020 03 24.25182606 53 20.383+56 46 31.23 20.26wUEF137F52
K20F04X C2020 03 24.26485306 53 35.754+56 47 55.49 19.81wUEF137F52
K20F04X C2020 03 24.27786206 53 51.156+56 49 19.46 19.95wUEF137F52
K20F04X C2020 03 24.29087806 54 06.611+56 50 43.06 20.15wUEF137F52
K20F04X C2020 03 24.78012 07 04 28.58 +57 42 08.4 19.4 GVEF137246
K20F04X C2020 03 24.78041 07 04 28.96 +57 42 09.5 20.0 GVEF137246
K20F04X C2020 03 24.78057 07 04 29.04 +57 42 10.6 VEF137246
K20F04X C2020 03 24.78073 07 04 29.34 +57 42 11.2 VEF137246
K20F04X C2020 03 24.78089 07 04 29.52 +57 42 12.3 VEF137246
K20F04X C2020 03 24.78669 07 04 36.87 +57 42 47.3 19.7 GVEF137246
K20F04X C2020 03 24.78685 07 04 37.05 +57 42 48.6 VEF137246
K20F04X C2020 03 24.78701 07 04 37.24 +57 42 50.2 VEF137246
K20F04X C2020 03 24.78718 07 04 37.46 +57 42 51.2 19.8 GVEF137246
K20F04X C2020 03 24.78733 07 04 37.66 +57 42 51.9 19.8 GVEF137246
K20F04X C2020 03 24.79646 07 04 49.50 +57 43 44.8 19.4 VVEF137033
K20F04X C2020 03 24.79767 07 04 51.03 +57 43 52.2 20.3 VVEF137033
K20F04X KC2020 03 24.79824 07 04 51.90 +57 44 02.2 19.7 GVEF137204
K20F04X C2020 03 24.79888 07 04 52.56 +57 43 59.5 19.0 VVEF137033
K20F04X pC2020 03 24.80197407 04 56.15 +57 44 25.9 19.8 GVEF137L01
K20F04X KC2020 03 24.80211 07 04 56.78 +57 44 20.6 19.4 GVEF137K87
K20F04X KC2020 03 24.80329807 04 57.81 +57 44 33.2 20.0 GVEF137L01
K20F04X KC2020 03 24.80461607 04 59.50 +57 44 41.1 19.7 GVEF137L01
K20F04X KC2020 03 24.80571507 05 00.84 +57 44 47.9 19.7 GVEF137L01
K20F04X IC2020 03 24.80689 07 05 02.90 +57 44 54.9 VEF137204
K20F04X KC2020 03 24.81293 07 05 10.50 +57 45 27.3 20.4 GVEF137K87
K20F04X KC2020 03 24.81554 07 05 13.84 +57 45 47.6 VEF137204
K20F04X KC2020 03 24.82311 07 05 23.41 +57 46 28.8 19.7 GVEF137K87
K20F04X KC2020 03 24.82500 07 05 26.69 +57 46 49.0 19.3 VqEF137I93
K20F04X KC2020 03 24.82890 07 05 31.59 +57 47 12.2 19.6 VqEF137I93
K20F04X KC2020 03 24.83278 07 05 36.56 +57 47 35.5 19.7 VqEF137I93
K20F04X KC2020 03 24.84478 07 05 50.78 +57 48 37.7 18.7 RVEF137K61
K20F04X KC2020 03 24.84517 07 05 51.30 +57 48 40.2 18.8 RVEF137K61
K20F04X KC2020 03 24.84609 07 05 52.44 +57 48 45.4 18.7 RVEF137K61
K20F04X KC2020 03 24.84648 07 05 52.94 +57 48 47.9 18.7 RVEF137K61
K20F04X KC2020 03 24.85823107 06 09.25 +57 50 00.8 19.7 GVEF137J95
K20F04X KC2020 03 24.86830907 06 22.07 +57 51 01.4 20.1 GVEF137J95
K20F04X KC2020 03 24.87410307 06 29.51 +57 51 36.0 20.0 GVEF137J95
K20F04X C2020 03 25.05758 07 10 29.15 +58 09 13.6 20.8 VVEF137033
K20F04X C2020 03 25.05839 07 10 30.23 +58 09 18.1 19.5 VVEF137033
K20F04X C2020 03 25.05919 07 10 31.38 +58 09 22.9 19.9 VVEF137033
K20F04X C2020 03 25.10720 07 11 40.45 +58 15 18.2 18.7 GVEF137I52
K20F04X C2020 03 25.10769 07 11 41.23 +58 15 22.6 19.4 GVEF137I52
K20F04X C2020 03 25.10793 07 11 41.52 +58 15 23.7 18.9 GVEF137I52
K20F04X KC2020 03 25.11063 07 11 44.47 +58 15 36.1 19.9 VqEF137858
K20F04X KC2020 03 25.11677607 11 50.39 +58 16 01.8 19.9 VuEF137H21
K20F04X KC2020 03 25.11945607 11 53.86 +58 16 17.3 19.8 VuEF137H21
K20F04X KC2020 03 25.12072 07 11 57.53 +58 16 35.1 19.8 VqEF137858
K20F04X KC2020 03 25.12236707 11 57.64 +58 16 33.8 19.8 VuEF137H21
K20F04X KC2020 03 25.13173 07 12 11.84 +58 17 38.8 19.8 VqEF137858
K20F04X KC2020 03 25.79343 07 27 28.14 +59 18 37.9 19.3 GVEF137113
K20F04X KC2020 03 25.79958 07 27 36.78 +59 19 10.2 19.9 GVEF137113
K20F04X KC2020 03 25.80566 07 27 45.10 +59 19 41.5 20.1 GVEF137113
K20F04X KC2020 03 25.81173 07 27 53.59 +59 20 13.5 VEF137113
K20F04X KC2020 03 25.82375907 28 11.74 +59 21 15.5 19.1 GVEF137J95
K20F04X KC2020 03 25.82678707 28 16.02 +59 21 31.0 19.7 GVEF137J95
K20F04X KC2020 03 25.82980507 28 20.22 +59 21 46.8 19.6 GVEF137J95
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig, S.
Melnikov, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
113 Volkssternwarte Drebach, Schoenbrunn. Observer G. Lehmann. 0.5-m f/4.6
reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurers M. Tichy,
M. Honkova. 1.06-m f/2.7 reflector + 2048x2048 CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.51-m
Schmidt-Cassegrain + 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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J.
Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien +
CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. Rankin. 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.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 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.
Orbital elements:
2020 FX4 PHA, Earth MOID = 0.0158 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 22.99133 (2000.0) P Q
n 0.25920667 Peri. 356.42733 -0.88240654 -0.46506129
a 2.4361569 Node 155.46002 +0.43580494 -0.86499839
e 0.6004759 Incl. 9.87815 +0.17729283 -0.18840327
P 3.80 H 21.8 G 0.15 U 3
Residuals in seconds of arc
191102 F51 0.1+ 0.1- 200324 246 0.2- 0.0 200324 K61 0.8+ 0.3+
191102 F51 0.2+ 0.1- 200324 246 0.3- 0.6+ 200324 J95 0.0 0.2-
191102 F51 0.1- 0.3+ 200324 246 0.3- 0.6+ 200324 J95 0.4- 0.0
191105 F52 0.3- 0.6- 200324 246 0.2- 0.4+ 200324 J95 0.1- 0.0
191126 F51 0.1+ 0.0 200324 033 0.3- 0.2- 200325 033 0.3- 0.0
191203 F52 0.4+ 0.5+ 200324 033 0.3- 0.2- 200325 033 0.4- 0.1-
191230 F52 0.1+ 0.1- 200324 204 0.4- 0.4- 200325 033 0.2+ 0.1+
200120 F51 0.0 0.0 200324 033 0.3- 0.3- 200325 I52 1.3- 1.2-
200120 F51 0.0 0.1- 200324 L01 0.3+ 0.9+ 200325 I52 0.1- 0.3+
200120 F51 0.0 0.2- 200324 K87 0.2- 0.5- 200325 I52 0.3- 0.0
200120 F51 0.1- 0.1+ 200324 L01 0.2+ 0.2+ 200325 858 0.0 0.0
200122 F52 0.2- 0.1+ 200324 L01 0.4+ 0.1+ 200325 H21 0.0 0.1+
200122 F52 0.1- 0.2+ 200324 L01 0.0 0.2+ 200325 H21 0.1- 0.2+
200324 F52 0.1+ 0.2+ 200324 204 0.3+ 0.3- 200325 858 0.0 0.3+
200324 F52 0.0 0.0 200324 K87 0.0 0.5+ 200325 H21 0.2- 0.1+
200324 F52 0.0 0.2+ 200324 204 0.3+ 0.1- 200325 858 0.3+ 0.2+
200324 F52 0.0 0.4+ 200324 K87 0.0 0.4+ 200325 113 0.0 0.2-
200324 246 0.0 0.9+ 200324 I93 0.1+ 0.6+ 200325 113 0.8+ 0.2+
200324 246 0.1+ 0.2+ 200324 I93 0.2- 0.1+ 200325 113 0.2- 0.1+
200324 246 0.9- 0.4+ 200324 I93 0.3+ 0.0 200325 113 0.3+ 0.8+
200324 246 0.1- 0.0 200324 K61 0.8+ 0.2+ 200325 J95 0.2- 0.3-
200324 246 0.3- 0.1+ 200324 K61 1.0+ 0.4+ 200325 J95 0.3+ 0.5-
200324 246 0.0 0.3- 200324 K61 0.8+ 0.1+ 200325 J95 0.3+ 0.3-
Ephemeris:
2020 FX4 a,e,i = 2.44, 0.60, 10 q = 0.9733
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 02 24 03 41 46.0 +08 58 27 0.2303 0.9797 80.9 85.7 21.6
...
2020 03 10 04 26 52.2 +27 10 53 0.1582 0.9774 79.8 91.1 21.0
...
2020 03 18 05 21 42.0 +43 14 44 0.1307 0.9932 85.3 87.2 20.4
...
2020 03 24 06 48 15.7 +56 17 46 0.1219 1.0122 93.7 79.4 20.0
2020 03 25 07 09 17.1 +58 04 07 0.1217 1.0159 95.4 77.8 20.0
2020 03 26 07 32 24.6 +59 36 03 0.1219 1.0198 97.1 76.1 19.9
...
2020 04 01 10 11 26.4 +61 57 49 0.1309 1.0462 107.5 65.6 19.8
...
2020 04 09 12 25 58.3 +52 36 44 0.1605 1.0886 119.0 53.5 20.0
...
2020 04 24 13 42 28.5 +35 11 24 0.2486 1.1855 131.6 39.4 20.7
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-F137
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