MPEC 2020-X16 : 2020 XD
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M.P.E.C. 2020-X16 Issued 2020 December 5, 19:51 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 XD
Observations:
K20X00D C2020 11 08.37091902 52 47.074-01 59 06.90 23.34GVEX016F51
K20X00D C2020 11 14.39858102 59 04.687-01 21 21.58 21.56GVEX016F52
K20X00D C2020 11 14.43767702 59 06.910-01 20 57.41 22.34GVEX016F51
K20X00D C2020 11 17.29416 03 03 31.32 -00 43 57.5 VEX016G96
K20X00D C2020 11 17.29930 03 03 31.74 -00 43 52.2 21.4 GVEX016G96
K20X00D C2020 11 20.37824203 09 58.733+00 17 39.74 21.53GVEX016F52
K20X00D C2020 11 20.41721303 10 03.240+00 18 37.03 21.84GVEX016F52
K20X00D* C2020 12 04.45912404 57 12.49 +18 33 47.0 19.02GVEX016G96
K20X00D C2020 12 04.46454404 57 18.87 +18 34 44.6 19.75GVEX016G96
K20X00D C2020 12 04.46997704 57 25.26 +18 35 43.0 18.72GVEX016G96
K20X00D C2020 12 04.47545204 57 31.76 +18 36 41.4 19.22GVEX016G96
K20X00D KC2020 12 04.49491804 57 54.98 +18 40 10.1 19.13GVEX016I52
K20X00D KC2020 12 04.49681604 57 57.20 +18 40 30.4 19.40GVEX016I52
K20X00D C2020 12 04.49949904 58 06.829+18 42 13.76 18.87GVEX016F52
K20X00D C2020 12 04.51048804 58 19.466+18 44 13.18 19.06GVEX016F52
K20X00D C2020 12 04.52151404 58 32.220+18 46 13.13 19.09GVEX016F52
K20X00D C2020 12 04.71064 05 02 41.42 +19 20 14.8 18.6 GVEX016N88
K20X00D C2020 12 04.71098 05 02 41.84 +19 20 18.9 18.6 GVEX016N88
K20X00D C2020 12 04.71137 05 02 42.27 +19 20 22.8 19.2 GVEX016N88
K20X00D C2020 12 04.71170 05 02 42.66 +19 20 26.9 19.1 GVEX016N88
K20X00D C2020 12 04.71205 05 02 43.12 +19 20 30.7 18.8 GVEX016N88
K20X00D KC2020 12 04.85967005 06 01.18 +19 48 24.3 18.3 GVEX016B49
K20X00D KC2020 12 04.86569405 06 08.84 +19 49 35.1 18.2 GVEX016B49
K20X00D KC2020 12 04.87171305 06 16.60 +19 50 46.1 19.3 GVEX016B49
K20X00D KC2020 12 05.14917505 12 34.24 +20 45 03.0 18.8 VuEX016H21
K20X00D KC2020 12 05.15121705 12 36.97 +20 45 27.4 18.9 VuEX016H21
K20X00D KC2020 12 05.15325905 12 39.73 +20 45 51.8 19.0 VuEX016H21
K20X00D KC2020 12 05.16003405 12 51.71 +20 46 15.2 19.2 VqEX016U55
K20X00D mC2020 12 05.17284305 13 10.65 +20 49 56.5 19.15GVEX016I52
K20X00D mC2020 12 05.17303205 13 10.90 +20 49 59.3 19.02GVEX016I52
K20X00D mC2020 12 05.17322105 13 11.17 +20 50 01.1 18.89GVEX016I52
K20X00D mC2020 12 05.17340905 13 11.56 +20 50 01.6 VEX016I52
K20X00D KC2020 12 05.17442005 13 11.58 +20 49 10.5 19.5 VqEX016U55
K20X00D KC2020 12 05.19933 05 13 45.72 +20 54 50.4 18.7 GVEX016V01
K20X00D KC2020 12 05.24016 05 14 41.40 +21 03 07.9 18.8 GVEX016V01
K20X00D KC2020 12 05.36761 05 17 35.98 +21 29 19.9 18.5 RoEX016691
K20X00D KC2020 12 05.38203 05 17 55.92 +21 32 12.4 18.5 RoEX016691
K20X00D KC2020 12 05.39647 05 18 16.08 +21 35 05.0 18.7 RoEX016691
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4 reflector +
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. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observers K. W. Wierzchos, G. J. Leonard. Measurers
K. W. Wierzchos, B. Gray, D. Rankin, F. C. Shelly, 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, R. L. Seaman. 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.
N88 Xingming Observatory #3, Nanshan. Observer X. Gao. Measurer Q.-Z. Ye.
0.6-m f/8 Ritchey-Chretien + CCD.
U55 Golden Ears Observatory, Maple Ridge. Observer B. Kumar. 0.36-m f/7
Schmidt-Cassegrain + CCD.
V01 Mountainville Observatory, Alpine. Observer B. Sheets. 0.36-m reflector
+ CCD.
Orbital elements:
2020 XD Earth MOID = 0.0229 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 357.96035 (2000.0) P Q
n 0.25084017 Peri. 23.86903 -0.13988079 -0.98577939
a 2.4900304 Node 74.27766 +0.89217937 -0.16627255
e 0.6028407 Incl. 5.55177 +0.42947564 +0.02433977
P 3.93 H 25.7 G 0.15 U 6
Residuals in seconds of arc
201108 F51 0.2+ 0.1- 201204 F52 0.4+ 0.3+ 201205 H21 0.2- 0.1-
201114 F52 0.4- 0.1+ 201204 F52 0.1- 0.1+ 201205 U55 1.0+ 0.9-
201114 F51 0.0 0.1- 201204 F52 0.2- 0.1+ 201205 I52 0.1- 0.3-
201117 G96 0.2- 0.1+ 201204 N88 0.4+ 0.2+ 201205 I52 0.2- 0.2+
201117 G96 0.2- 0.5+ 201204 N88 0.4+ 0.4+ 201205 I52 0.0 0.3-
201120 F52 0.0 0.1+ 201204 N88 0.2- 0.1- 201205 I52 (1.9+ 2.1-)
201120 F52 0.3- 0.2+ 201204 N88 0.4- 0.2+ 201205 U55 0.8+ 0.6-
201204 G96 0.1- 0.0 201204 N88 0.1+ 0.0 201205 V01 (1.9- 0.6-)
201204 G96 0.0 0.4- 201204 B49 0.1+ 0.2- 201205 V01 1.2- 0.1+
201204 G96 0.3- 0.1- 201204 B49 0.5- 0.3- 201205 691 0.1+ 0.4+
201204 G96 0.1+ 0.3- 201204 B49 0.5+ 0.1- 201205 691 0.4- 0.2+
201204 I52 0.6+ 0.2+ 201205 H21 0.3- 0.5+ 201205 691 0.6+ 0.2+
201204 I52 0.2- 0.2+ 201205 H21 0.5- 0.2+
Ephemeris:
2020 XD a,e,i = 2.49, 0.60, 6 q = 0.9889
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 11 05 02 50 16.9 -02 04 07 0.2023 1.1857 162.1 14.9 23.4
...
2020 11 20 03 09 03.3 +00 09 06 0.1113 1.0927 158.8 19.0 22.1
...
2020 11 28 03 40 58.5 +05 45 58 0.06929 1.0528 162.3 16.6 20.9
...
2020 12 04 04 48 25.8 +17 13 11 0.04300 1.0284 174.8 5.0 19.3
2020 12 05 05 08 59.3 +20 17 02 0.03961 1.0249 174.3 5.4 19.2
2020 12 06 05 34 05.5 +23 40 36 0.03671 1.0215 170.0 9.7 19.2
...
2020 12 12 09 33 12.4 +36 44 43 0.03496 1.0045 123.9 54.5 20.4
...
2020 12 20 12 19 24.9 +27 05 25 0.06403 0.9913 94.9 81.4 22.6
...
2021 01 04 13 21 05.2 +19 05 33 0.1329 0.9977 92.4 79.9 24.1
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-X16
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