MPEC 2020-X93 : 2020 XR2
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M.P.E.C. 2020-X93 Issued 2020 December 10, 13:25 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 XR2
Observations:
K20X02R C2020 11 23.30715 04 08 03.91 +23 52 22.2 21.5 GVEX093G96
K20X02R C2020 11 23.31859 04 08 02.70 +23 52 23.6 VEX093G96
K20X02R C2020 11 23.32375 04 08 02.14 +23 52 24.6 22.1 GVEX093G96
K20X02R C2020 12 04.30163 03 47 33.96 +24 14 58.1 VEX093G96
K20X02R C2020 12 04.31324 03 47 32.52 +24 14 59.4 VEX093G96
K20X02R C2020 12 07.33584 03 41 33.01 +24 18 55.4 21.6 GVEX093V00
K20X02R* C2020 12 07.33693 03 41 32.86 +24 18 55.6 21.3 GVEX093V00
K20X02R C2020 12 07.34076 03 41 32.39 +24 18 56.1 21.6 GVEX093V00
K20X02R C2020 12 07.34185 03 41 32.27 +24 18 56.5 21.8 GVEX093V00
K20X02R C2020 12 07.34568 03 41 31.80 +24 18 56.6 21.5 GVEX093V00
K20X02R C2020 12 07.34676 03 41 31.64 +24 18 56.3 21.4 GVEX093V00
K20X02R C2020 12 07.35060 03 41 31.18 +24 18 56.6 21.6 GVEX093V00
K20X02R C2020 12 07.35169 03 41 31.05 +24 18 56.6 21.8 GVEX093V00
K20X02R KC2020 12 07.36562 03 41 29.30 +24 18 57.4 21.4 RoEX093291
K20X02R KC2020 12 07.37069 03 41 28.70 +24 18 57.8 21.5 RoEX093291
K20X02R KC2020 12 07.37576 03 41 28.04 +24 18 57.8 oEX093291
K20X02R KC2020 12 07.40468703 41 24.46 +24 18 58.8 20.97GVEX093V06
K20X02R KC2020 12 07.40785503 41 24.12 +24 18 58.8 21.48GVEX093V06
K20X02R KC2020 12 07.41102303 41 23.72 +24 18 59.3 21.47GVEX093V06
K20X02R KC2020 12 07.41419003 41 23.34 +24 18 59.3 21.03GVEX093V06
K20X02R KC2020 12 08.19240403 39 52.04 +24 19 53.2 21.39GVEX093V06
K20X02R KC2020 12 08.19477903 39 51.74 +24 19 53.4 20.77GVEX093V06
K20X02R KC2020 12 08.19715503 39 51.44 +24 19 53.7 20.66GVEX093V06
K20X02R KC2020 12 08.19953003 39 51.16 +24 19 53.4 21.71GVEX093V06
K20X02R KC2020 12 08.45530 03 39 19.63 +24 20 06.2 21.8 RoEX093291
K20X02R KC2020 12 08.46203 03 39 18.83 +24 20 06.2 22.2 RoEX093291
K20X02R KC2020 12 09.15200 03 37 58.63 +24 20 51.9 21.5 RoEX093291
K20X02R KC2020 12 09.15401503 37 58.35 +24 20 51.7 21.53GVEX093I52
K20X02R KC2020 12 09.15648 03 37 58.07 +24 20 52.1 21.6 RoEX093291
K20X02R KC2020 12 09.15779503 37 57.90 +24 20 52.2 21.19GVEX093I52
K20X02R KC2020 12 09.16157403 37 57.41 +24 20 52.3 21.27GVEX093I52
K20X02R KC2020 12 10.15650203 35 59.85 +24 21 47.3 22.0 VuEX093H21
K20X02R KC2020 12 10.16299103 35 59.05 +24 21 47.5 22.0 VuEX093H21
Observer details:
291 LPL/Spacewatch II. Observers T. H. Bressi, M. T. Read. 1.8-m f/2.7
reflector + CCD.
G96 Mt. Lemmon Survey. Observers D. C. Fuls, G. J. Leonard. Measurers D.
Rankin, B. Gray, F. C. Shelly. 1.5-m reflector + 10K CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 1.3-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.
V00 Kitt Peak-Bok. Observer H. Groeller. 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. 2.25-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper. Observer 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. 1.55-m reflector +
1K CCD.
Orbital elements:
2020 XR2 Earth MOID = 0.0944 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 323.03986 (2000.0) P Q
n 0.37394682 Peri. 111.02879 -0.93692547 -0.34392489
a 1.9080781 Node 48.91156 +0.28205588 -0.84927633
e 0.4500633 Incl. 4.74453 +0.20643438 -0.40055635
P 2.64 H 21.4 G 0.15 U 7
Residuals in seconds of arc
201123 G96 0.1- 0.2+ 201207 V00 0.1+ 0.0 201208 V06 0.3- 0.1+
201123 G96 0.1+ 0.1- 201207 V00 0.2+ 0.0 201208 V06 0.1- 0.3-
201123 G96 0.0 0.1+ 201207 291 0.2- 0.1+ 201208 291 0.4+ 0.0
201204 G96 0.2+ 0.5- 201207 291 0.2+ 0.3+ 201208 291 0.5+ 0.2-
201204 G96 0.3+ 0.1- 201207 291 0.3- 0.1+ 201209 291 0.1+ 0.2+
201207 V00 0.1+ 0.4- 201207 V06 0.6- 0.0 201209 I52 0.1- 0.1-
201207 V00 0.1- 0.3- 201207 V06 0.1+ 0.1- 201209 291 0.0 0.0
201207 V00 0.1- 0.0 201207 V06 0.1- 0.3+ 201209 I52 0.1+ 0.1+
201207 V00 0.2+ 0.4+ 201207 V06 0.0 0.1+ 201209 I52 0.2- 0.1-
201207 V00 0.2+ 0.3+ 201208 V06 0.2- 0.0 201210 H21 0.2+ 0.1+
201207 V00 0.1- 0.1- 201208 V06 0.3- 0.0 201210 H21 0.2+ 0.0
Ephemeris:
2020 XR2 a,e,i = 1.91, 0.45, 5 q = 1.0493
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 10 04 26 22.7 +23 11 23 0.7350 1.6974 159.1 12.0 22.6
...
2020 11 25 04 05 08.6 +23 56 41 0.6182 1.6047 176.8 2.0 21.6
...
2020 12 03 03 50 08.0 +24 13 01 0.5758 1.5547 168.9 7.0 21.7
...
2020 12 09 03 38 16.1 +24 20 46 0.5529 1.5170 160.3 12.6 21.8
2020 12 10 03 36 18.2 +24 21 43 0.5497 1.5107 158.9 13.6 21.8
2020 12 11 03 34 21.1 +24 22 35 0.5468 1.5045 157.5 14.5 21.8
...
2020 12 17 03 23 09.1 +24 26 38 0.5331 1.4669 149.0 20.2 21.9
...
2020 12 25 03 10 33.6 +24 32 05 0.5235 1.4171 138.1 27.6 22.0
...
2021 01 09 02 57 50.5 +25 01 02 0.5224 1.3259 120.3 39.8 22.2
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X93
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