MPEC 2020-X20 : 2020 XG
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M.P.E.C. 2020-X20 Issued 2020 December 5, 22:13 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 XG
Observations:
K20X00G* C2020 12 04.33689703 52 32.37 +24 43 43.1 VEX020G96
K20X00G C2020 12 04.34210703 52 27.97 +24 42 38.7 19.98GVEX020G96
K20X00G C2020 12 04.34730403 52 23.67 +24 41 35.1 19.89GVEX020G96
K20X00G C2020 12 04.35250403 52 19.43 +24 40 30.8 19.48GVEX020G96
K20X00G KC2020 12 04.43866303 51 14.19 +24 23 08.0 19.14GVEX020I52
K20X00G KC2020 12 04.44056003 51 12.82 +24 22 44.9 19.83GVEX020I52
K20X00G KC2020 12 05.09977503 46 28.70 +22 44 48.9 20.6 VuEX020H21
K20X00G KC2020 12 05.10268603 46 27.18 +22 44 28.9 20.3 VuEX020H21
K20X00G KC2020 12 05.10431903 46 34.34 +22 44 27.7 VEX020I52
K20X00G KC2020 12 05.10530803 46 33.90 +22 44 21.1 20.26GVEX020I52
K20X00G KC2020 12 05.10568903 46 25.66 +22 44 08.7 20.3 VuEX020H21
K20X00G KC2020 12 05.10629703 46 33.45 +22 44 15.0 20.56GVEX020I52
K20X00G KC2020 12 05.10728403 46 32.91 +22 44 08.2 20.74GVEX020I52
K20X00G KC2020 12 05.40537 03 44 08.19 +22 11 00.0 20.3 RoEX020691
K20X00G KC2020 12 05.42441 03 44 00.64 +22 08 52.0 20.5 RoEX020691
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
G96 Mt. Lemmon Survey. 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. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers D. Rankin, D. C. Fuls.
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.
Orbital elements:
2020 XG Earth MOID = 0.0022 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 98.16876 (2000.0) P Q
n 1.11649463 Peri. 52.58199 +0.61737001 +0.78639210
a 0.9202340 Node 255.55554 -0.72844169 +0.56137913
e 0.3636861 Incl. 1.24362 -0.29703025 +0.25776141
P 0.88 H 28.0 G 0.15 U 7
Residuals in seconds of arc
201204 G96 0.2+ 0.4+ 201204 I52 0.2- 0.4- 201205 H21 0.0 0.1+
201204 G96 0.4- 0.0 201205 H21 0.0 0.2- 201205 I52 0.7+ 0.3+
201204 G96 0.3- 0.2+ 201205 H21 0.4- 0.2- 201205 I52 0.2- 0.0
201204 G96 0.2+ 0.3- 201205 I52 0.3- 0.0 201205 691 0.7- 0.3-
201204 I52 0.6+ 0.1+ 201205 I52 0.2+ 0.1- 201205 691 0.6+ 0.3+
Ephemeris:
2020 XG a,e,i = 0.92, 0.36, 1 q = 0.5856
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 05 15 24 27.1 -15 50 08 0.1840 0.8112 10.4 167.2
...
2020 11 20 15 20 53.7 -14 17 37 0.07547 0.9133 7.4 172.0
...
2020 11 28 15 07 05.6 -09 30 19 0.02368 0.9644 20.4 159.1 30.5
...
2020 12 04 03 57 03.7 +26 00 29 0.01521 1.0005 169.1 10.8 19.6
2020 12 05 03 46 56.9 +22 59 38 0.02148 1.0063 166.3 13.4 20.5
2020 12 06 03 41 38.2 +21 19 43 0.02781 1.0121 163.9 15.6 21.1
...
2020 12 12 03 32 17.5 +18 05 22 0.06642 1.0452 155.0 23.4 23.3
...
2020 12 20 03 31 57.2 +17 15 01 0.1197 1.0857 146.6 29.9 24.9
...
2021 01 04 03 40 39.3 +17 23 56 0.2260 1.1502 133.4 38.4 26.6
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X20
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