MPEC 2020-R104 : 2020 RX2
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M.P.E.C. 2020-R104 Issued 2020 September 13, 11:29 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 RX2
Observations:
K20R02X C2020 09 09.37567823 08 09.871+30 38 00.20 20.52GVER104F51
K20R02X C2020 09 09.38875123 08 13.520+30 35 42.19 20.98GVER104F51
K20R02X C2020 09 09.39640323 08 15.677+30 34 20.92 20.95GVER104F51
K20R02X C2020 09 10.55409123 14 25.384+26 51 30.29 20.77GVER104F51
K20R02X C2020 09 10.56765623 14 29.604+26 48 39.37 21.03GVER104F51
K20R02X C2020 09 10.58121423 14 33.863+26 45 48.26 20.92GVER104F51
K20R02X C2020 09 12.31366823 24 55.414+20 01 20.96 20.03GVER104F52
K20R02X* C2020 09 12.32831323 25 00.500+19 57 33.44 20.25wUER104F52
K20R02X C2020 09 12.34042723 25 04.656+19 54 25.43 20.12GVER104F52
K20R02X C2020 09 12.35252723 25 08.809+19 51 17.14 20.21wUER104F52
K20R02X C2020 09 12.73640 23 27 31.74 +18 08 06.1 20.5 GVER104N88
K20R02X C2020 09 12.73828 23 27 32.32 +18 07 36.2 20.2 GVER104N88
K20R02X KC2020 09 12.91958 23 28 42.99 +17 17 21.2 VER104204
K20R02X KC2020 09 12.92367123 28 44.97 +17 16 04.9 20.2 GVER104J95
K20R02X KC2020 09 12.93297 23 28 47.83 +17 13 37.2 VER104204
K20R02X KC2020 09 12.93313523 28 48.37 +17 13 26.1 20.1 GVER104J95
K20R02X KC2020 09 12.93926923 28 50.67 +17 11 43.7 19.6 GVER104J95
K20R02X KC2020 09 12.94582 23 28 52.46 +17 10 01.4 20.1 GVER104204
K20R02X KC2020 09 12.97424 23 29 02.34 +17 01 58.7 20.0 GVER104A44
K20R02X KC2020 09 12.97554423 29 02.75 +17 01 41.7 20.2 GVER104L01
K20R02X KC2020 09 12.97696823 29 03.26 +17 01 17.2 20.2 GVER104L01
K20R02X KC2020 09 12.97865123 29 03.86 +17 00 49.1 20.0 GVER104L01
K20R02X KC2020 09 12.98111123 29 04.76 +17 00 07.3 20.3 GVER104L01
K20R02X KC2020 09 12.98708 23 29 07.00 +16 58 22.3 20.3 GVER104A44
K20R02X KC2020 09 12.99994 23 29 11.63 +16 54 44.0 20.1 GVER104A44
K20R02X KC2020 09 13.02433023 29 21.42 +16 47 56.2 20.0 GVER104I93
K20R02X KC2020 09 13.02945723 29 23.30 +16 46 29.2 20.3 GVER104I93
K20R02X KC2020 09 13.09166 23 29 45.21 +16 28 43.6 20.6 GVER104104
K20R02X KC2020 09 13.09984 23 29 48.26 +16 26 23.2 19.9 GVER104104
K20R02X KC2020 09 13.10369 23 29 49.65 +16 25 17.5 VER104104
K20R02X KC2020 09 13.20711 23 30 35.30 +15 55 46.9 20.2 RqER104734
K20R02X KC2020 09 13.21203 23 30 37.06 +15 54 21.5 19.5 RqER104734
K20R02X KC2020 09 13.21696 23 30 38.86 +15 52 56.8 19.9 RqER104734
K20R02X KC2020 09 13.23088 23 30 43.97 +15 48 52.6 20.2 GVER104H36
K20R02X KC2020 09 13.23948 23 30 47.16 +15 46 25.5 19.9 GVER104H36
K20R02X KC2020 09 13.24809 23 30 50.21 +15 43 56.9 20.3 GVER104H36
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, M. D.
Grazia. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
204 Schiaparelli Observatory. Observers L. Buzzi, G. Galli, G. Baj. Measurer
G. Baj. 0.84-m f/3.5 reflector + CCD.
734 Farpoint Observatory, Eskridge. Observer D. Cromer. 0.41-m f/10 Schmidt-
Cassegrain + CCD + f/6.3 focal reducer.
A44 Altschwendt. Observer W. Ries. 0.45-m f/4.5 reflector + CCD.
F51 Pan-STARRS 1, 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. 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-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.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, V. Dobos. Measurer K.
Korlevic. 1.0-m f/2.9 reflector + CCD.
N88 Xingming Observatory #3, Nanshan. Observer X. Gao. Measurer Q.-Z. Ye.
0.6-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
2020 RX2 Earth MOID = 0.0838 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 290.29904 (2000.0) P Q
n 0.50718280 Peri. 209.87961 +0.90761765 -0.41609157
a 1.5572549 Node 173.85807 +0.40608647 +0.90383132
e 0.3224808 Incl. 31.34730 -0.10641415 -0.09978352
P 1.94 H 24.3 G 0.15 U 7
Residuals in seconds of arc
200909 F51 0.1+ 0.3- 200912 204 0.0 0.6- 200912 A44 0.0 0.6-
200909 F51 0.1- 0.1+ 200912 J95 0.3+ 0.1+ 200913 I93 0.1- 0.1-
200909 F51 0.0 0.1+ 200912 204 0.2+ 0.3- 200913 I93 0.3+ 0.1+
200910 F51 0.1+ 0.1- 200912 J95 0.5- 0.2- 200913 104 0.2+ 0.6-
200910 F51 0.1- 0.1+ 200912 J95 0.4+ 0.3+ 200913 104 0.5+ 0.2-
200910 F51 0.1- 0.4+ 200912 204 0.2+ 0.3- 200913 104 0.0 0.4+
200912 F52 0.2- 0.1+ 200912 A44 0.3+ 0.9- 200913 734 0.7- 0.8+
200912 F52 0.1+ 0.4- 200912 L01 0.3- 0.0 200913 734 1.2- 0.5+
200912 F52 0.0 0.1- 200912 L01 0.3- 0.4- 200913 734 1.1- 1.2+
200912 F52 0.1+ 0.0 200912 L01 0.4- 0.1- 200913 H36 (0.1- 1.8-)
200912 N88 0.8+ 0.6- 200912 L01 0.2- 0.3- 200913 H36 0.8+ 0.5+
200912 N88 0.4- 0.3+ 200912 A44 0.5+ 0.2- 200913 H36 (0.3- 1.7+)
Ephemeris:
2020 RX2 a,e,i = 1.56, 0.32, 31 q = 1.0551
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 08 14 21 58 59.2 +52 58 06 0.3637 1.2000 112.5 51.3 24.4
...
2020 08 29 22 25 36.2 +48 12 58 0.2208 1.1435 122.4 48.2 23.1
...
2020 09 06 22 52 17.6 +38 39 57 0.1486 1.1178 134.8 39.7 22.0
...
2020 09 12 23 22 55.4 +21 21 39 0.1037 1.1009 154.4 23.2 20.7
2020 09 13 23 29 12.3 +16 55 44 0.09790 1.0983 159.2 19.0 20.4
2020 09 14 23 35 52.2 +11 57 17 0.09292 1.0958 164.5 14.2 20.1
...
2020 09 20 00 24 31.5 -25 12 44 0.08546 1.0821 154.5 23.6 20.2
...
2020 09 28 01 49 52.4 -57 56 41 0.1299 1.0679 117.3 56.5 22.1
...
2020 10 13 04 13 37.1 -70 49 47 0.2564 1.0553 95.9 70.1 23.9
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-R104
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