MPEC 2020-S121 : 2020 SJ2
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M.P.E.C. 2020-S121 Issued 2020 September 20, 23:47 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 SJ2
Observations:
K20S02J* C2020 09 20.32162 00 33 49.40 +10 13 47.2 18.2 GVES121G96
K20S02J C2020 09 20.32649 00 33 58.44 +10 19 07.0 VES121G96
K20S02J C2020 09 20.33134 00 34 07.53 +10 24 26.3 VES121G96
K20S02J C2020 09 20.33618 00 34 16.67 +10 29 47.1 VES121G96
K20S02J C2020 09 20.39814 00 36 16.23 +11 39 06.7 18.0 GVES121I52
K20S02J C2020 09 20.39827 00 36 16.48 +11 39 15.7 18.0 GVES121I52
K20S02J C2020 09 20.39840 00 36 16.75 +11 39 24.9 18.0 GVES121I52
K20S02J C2020 09 20.39854 00 36 17.03 +11 39 34.2 18.2 GVES121I52
K20S02J KC2020 09 20.80454 00 54 38.91 +20 08 10.6 17.9 GVES121595
K20S02J KC2020 09 20.80623500 54 40.41 +20 09 45.2 17.9 GVES121G34
K20S02J KC2020 09 20.80646 00 54 44.52 +20 10 52.4 17.5 GVES121595
K20S02J KC2020 09 20.80837 00 54 50.12 +20 13 32.9 17.6 GVES121595
K20S02J KC2020 09 20.80839100 54 46.73 +20 12 46.7 17.1 GVES121G34
K20S02J KC2020 09 20.81054700 54 52.96 +20 15 47.3 17.6 GVES121G34
K20S02J KC2020 09 20.81154 00 54 55.97 +20 17 13.4 17.6 GVES121K62
K20S02J KC2020 09 20.81270400 54 59.31 +20 18 49.6 17.2 GVES121G34
K20S02J KC2020 09 20.81343 00 55 01.49 +20 19 52.6 17.4 GVES121K62
K20S02J KC2020 09 20.81486100 55 05.56 +20 21 51.2 17.7 GVES121G34
K20S02J KC2020 09 20.81531 00 55 07.03 +20 22 32.5 17.9 GVES121K62
K20S02J KC2020 09 20.81998 00 55 20.04 +20 30 15.6 17.3 VVES121L04
K20S02J KC2020 09 20.83114 00 55 52.37 +20 46 02.6 17.7 VVES121L04
K20S02J KC2020 09 20.83750 00 56 10.84 +20 55 03.4 17.5 VVES121L04
K20S02J 1C2020 09 20.84076 00 56 22.97 +20 58 53.9 18.4 GVES121246
K20S02J 1C2020 09 20.84089 00 56 23.41 +20 59 03.8 VES121246
K20S02J 1C2020 09 20.84098 00 56 23.60 +20 59 12.0 18.2 GVES121246
K20S02J 1C2020 09 20.84108 00 56 23.91 +20 59 20.5 VES121246
K20S02J 1C2020 09 20.84117 00 56 24.16 +20 59 28.7 VES121246
K20S02J 1C2020 09 20.84126 00 56 24.46 +20 59 35.9 VES121246
K20S02J 1C2020 09 20.84135 00 56 24.71 +20 59 43.3 VES121246
K20S02J KC2020 09 20.84530 00 56 37.88 +21 04 57.4 18.1 GVES121A17
K20S02J KC2020 09 20.84737 00 56 44.07 +21 07 54.6 17.3 GVES121A17
K20S02J KC2020 09 20.84967 00 56 50.92 +21 11 11.1 17.9 GVES121A17
K20S02J KC2020 09 20.85168 00 56 56.93 +21 14 04.0 17.9 GVES121A17
K20S02J KC2020 09 20.85171400 57 01.67 +21 16 37.8 18.5 GVES121L34
K20S02J KC2020 09 20.85286 00 56 57.01 +21 15 43.1 18.4 VSES121C43
K20S02J KC2020 09 20.85380 00 57 03.21 +21 17 05.9 17.7 GVES121A17
K20S02J KC2020 09 20.85438 00 57 01.56 +21 17 53.1 18.5 VSES121C43
K20S02J KC2020 09 20.85590 00 57 06.20 +21 20 00.6 18.6 VSES121C43
K20S02J KC2020 09 20.85659700 57 13.30 +21 20 16.0 17.7 GVES121J95
K20S02J KC2020 09 20.85742 00 57 10.72 +21 22 11.4 18.3 VSES121C43
K20S02J KC2020 09 20.85817000 57 18.06 +21 22 31.1 17.8 GVES121J95
K20S02J KC2020 09 20.85894 00 57 15.31 +21 24 21.7 18.2 VSES121C43
K20S02J KC2020 09 20.86092500 57 26.43 +21 26 28.2 17.5 GVES121J95
K20S02J KC2020 09 20.86403500 57 35.86 +21 30 56.1 17.7 GVES121J95
K20S02J KC2020 09 20.87091700 57 57.12 +21 40 57.5 17.4 GVES121J69
K20S02J KC2020 09 20.87610500 58 12.85 +21 48 25.8 17.6 GVES121J69
K20S02J KC2020 09 20.88129600 58 28.70 +21 55 55.2 17.4 GVES121J69
K20S02J KC2020 09 20.88650200 58 44.64 +22 03 27.8 17.5 GVES121J69
K20S02J KC2020 09 20.88687500 58 45.20 +22 03 55.3 17.2 GVES121Z80
K20S02J KC2020 09 20.89044600 58 56.07 +22 09 05.5 19.1 GVES121Z80
K20S02J hC2020 09 20.89384000 59 03.31 +22 15 52.0 17.8 GVES121L01
K20S02J KC2020 09 20.89394300 59 06.81 +22 14 10.7 18.4 GVES121Z80
K20S02J hC2020 09 20.89426400 59 04.54 +22 16 29.1 17.5 GVES121L01
K20S02J hC2020 09 20.89455000 59 05.41 +22 16 54.0 17.5 GVES121L01
K20S02J KC2020 09 20.89741100 59 17.45 +22 19 12.5 18.2 GVES121Z80
K20S02J KC2020 09 20.93488301 01 09.85 +23 17 31.1 18.1 GVES121L34
K20S02J KC2020 09 20.93656 01 01 12.16 +23 17 40.9 17.4 GVES121A44
K20S02J KC2020 09 20.94025 01 01 23.52 +23 23 07.4 18.3 GVES121A44
K20S02J KC2020 09 20.94488 01 01 37.89 +23 29 55.3 17.9 GVES121A44
K20S02J KC2020 09 20.94675 01 01 43.69 +23 32 41.3 17.4 GVES121A44
K20S02J KC2020 09 20.95006 01 01 52.81 +23 37 29.4 17.9 GVES121C47
K20S02J KC2020 09 20.95254 01 02 00.53 +23 41 09.2 18.3 GVES121C47
K20S02J KC2020 09 20.95408101 02 08.56 +23 45 51.4 18.3 GVES121L34
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M.
Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/5.15 reflector + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6 Schmidt-Cassegrain + CCD.
A44 Altschwendt. Observer W. Ries. 0.45-m f/4.5 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.
G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/6.3 Schmidt-Cassegrain +
CCD.
G96 Mt. Lemmon Survey. Observer K. W. Wierzchos. 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. 1.5-m reflector +
10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
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.
J69 North Observatory, Clanfield. Observer D. Briggs. 0.41-m f/4.5 Newtonian
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
K62 Teplice Observatory. Observers Z. Moravec, R. Neuvirt. Measurer Z.
Moravec. 0.43-m f/4.5 reflector + CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, I. Lyon. Measurer 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.
L34 Galhassin Robotic Telescope, Isnello. Observer A. Nastasi. 0.40-m
reflector + CCD.
Z80 Northolt Branch Observatory. Observer G. Wells. Measurers G. Wells, D.
Bamberger. 0.25-m f/8.0 Ritchey-Chretien + CCD.
Orbital elements:
2020 SJ2 Earth MOID = 0.0076 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 291.22466 (2000.0) P Q
n 0.46434114 Peri. 45.07552 +0.74039260 -0.67214483
a 1.6516243 Node 357.13527 +0.57549088 +0.63873771
e 0.4385599 Incl. 7.28151 +0.34731692 +0.37448026
P 2.12 H 26.7 G 0.15 U 6
Residuals in seconds of arc
200920 G96 0.3+ 0.6+ 200920 L04 0.3+ 0.0 200920 J95 0.1- 0.2-
200920 G96 0.5- 0.0 200920 246 0.0 1.0+ 200920 J95 0.4- 0.2-
200920 G96 0.4- 0.6- 200920 246 0.8+ 0.2- 200920 J69 0.6+ 0.5+
200920 G96 0.2+ 0.3+ 200920 246 0.2- 0.3+ 200920 J69 0.5- 0.0
200920 I52 0.1+ 0.3- 200920 246 0.0 0.3+ 200920 J69 0.5- 0.6-
200920 I52 0.0 0.2- 200920 246 0.2- 0.8+ 200920 J69 0.3- 0.2-
200920 I52 0.1+ 0.2+ 200920 246 0.2+ 0.3+ 200920 Z80 0.7+ 0.4-
200920 I52 0.2+ 0.1- 200920 246 0.0 0.0 200920 Z80 0.3- 0.8-
200920 595 0.3- 0.1- 200920 A17 0.1- 0.0 200920 L01 0.3+ 0.1-
200920 G34 0.8+ 1.0+ 200920 A17 0.3+ 0.0 200920 Z80 0.2- 0.2-
200920 595 0.2- 0.1- 200920 A17 0.2+ 0.5- 200920 L01 0.3- 0.1+
200920 595 0.2+ 0.6- 200920 A17 0.3+ 0.1+ 200920 L01 0.1- 0.0
200920 G34 1.0+ 1.0+ 200920 L34 0.5+ 0.1- 200920 Z80 0.4- 0.8-
200920 G34 0.1- 0.1- 200920 C43 (1.8- 3.0+) 200920 L34 0.4- 0.3+
200920 K62 0.4- 0.3- 200920 A17 0.4- 0.1+ 200920 A44 0.4+ 1.1+
200920 G34 0.4+ 0.3+ 200920 C43 (1.3- 2.7+) 200920 A44 (0.1- 1.8+)
200920 K62 0.6- 0.6- 200920 C43 0.3+ 0.2- 200920 A44 0.4+ 0.4+
200920 G34 0.6- 0.1- 200920 J95 0.2- 0.2- 200920 A44 0.4+ 0.9+
200920 K62 0.1- 0.6+ 200920 C43 0.3+ 0.1+ 200920 C47 0.1+ 0.2-
200920 L04 0.7+ 0.5+ 200920 J95 0.3- 0.3- 200920 C47 0.2+ 0.1-
200920 L04 0.6+ 0.7+ 200920 C43 1.2+ 0.1- 200920 L34 0.3- 0.1-
Ephemeris:
2020 SJ2 a,e,i = 1.65, 0.44, 7 q = 0.9273
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 08 21 23 01 42.7 -30 40 52 0.1865 1.1854 156.8 19.7 24.4
...
2020 09 05 23 09 42.0 -30 03 43 0.09430 1.0954 156.5 21.5 22.8
...
2020 09 13 23 21 26.0 -25 55 59 0.04915 1.0519 157.9 21.1 21.3
...
2020 09 19 00 01 37.9 -06 44 20 0.01775 1.0222 173.5 6.4 18.5
2020 09 20 00 23 31.0 +04 55 28 0.01347 1.0176 169.6 10.2 18.0
2020 09 21 01 04 27.4 +24 56 08 0.01043 1.0130 149.1 30.6 18.1
...
2020 09 27 09 54 52.3 +50 42 10 0.03061 0.9875 60.2 118.2 23.8
...
2020 10 05 10 35 55.5 +41 38 01 0.07355 0.9594 54.7 121.7 25.9
...
2020 10 20 10 55 56.5 +36 18 59 0.1551 0.9291 60.4 111.2 26.7
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-S121
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