[Iaude] MPEC X200: 2021 XM5 [a=1.15,e=0.43,i=16.3,H=22.6]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sat Dec 11 11:33:06 EST 2021
M.P.E.C. 2021-X200 Issued 2021 December 11, 16:31 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 XM5
Observations:
K21X05M* C2021 12 08.12868400 43 43.92 +26 42 34.0 21.19GVEX200G96
K21X05M C2021 12 08.13439600 43 46.61 +26 42 16.4 21.37GVEX200G96
K21X05M C2021 12 08.14010600 43 49.23 +26 41 58.7 20.83GVEX200G96
K21X05M C2021 12 08.14580600 43 51.80 +26 41 40.3 21.73GVEX200G96
K21X05M KC2021 12 08.22016200 44 25.79 +26 37 43.4 21.17GVEX200V06
K21X05M KC2021 12 08.22291500 44 27.03 +26 37 34.9 21.74GVEX200V06
K21X05M KC2021 12 08.22842100 44 29.56 +26 37 17.0 21.76GVEX200V06
K21X05M KC2021 12 08.29544600 45 00.33 +26 33 39.6 21.1 GVEX200H01
K21X05M KC2021 12 08.30698000 45 05.61 +26 33 02.5 21.1 GVEX200H01
K21X05M KC2021 12 08.31242200 45 08.13 +26 32 44.9 21.1 GVEX200H01
K21X05M KC2021 12 08.31761200 45 10.53 +26 32 28.4 21.3 GVEX200H01
K21X05M KC2021 12 09.00751700 50 27.79 +25 56 53.6 21.4 VuEX200H21
K21X05M KC2021 12 09.01186600 50 29.67 +25 56 40.5 21.3 VuEX200H21
K21X05M KC2021 12 09.01621100 50 31.58 +25 56 27.3 21.3 VuEX200H21
K21X05M KC2021 12 09.08265100 51 01.07 +25 53 08.4 21.48GVEX200V06
K21X05M KC2021 12 09.08357400 51 01.50 +25 53 05.7 21.22GVEX200V06
K21X05M KC2021 12 09.08450000 51 01.89 +25 53 03.5 21.70GVEX200V06
Observer details:
G96 Mt. Lemmon Survey. Observer R. A. Kowalski. 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, D. Rankin, R. L. Seaman, F. C.
Shelly, K. W. Wierzchos. 1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
V06 Catalina Sky Survey-Kuiper. 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, D. Rankin, R. L.
Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector + 1K CCD.
Orbital elements:
2021 XM5 Earth MOID = 0.1342 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 98.14564 (2000.0) P Q
n 0.79613534 Peri. 51.29375 +0.64376785 +0.71350062
a 1.1529526 Node 261.12827 -0.75975166 +0.55283500
e 0.4294506 Incl. 16.25415 -0.09132563 +0.43045363
P 1.24 H 22.60 G 0.15 U 9
Residuals in seconds of arc
211208 G96 0.8- 0.7- 211208 V06 0.3- 0.2+ 211209 H21 0.0 0.1-
211208 G96 0.3+ 0.2- 211208 H01 0.4+ 0.1- 211209 H21 0.3+ 0.1-
211208 G96 0.4+ 0.2+ 211208 H01 0.2- 0.1- 211209 V06 0.4- 0.2-
211208 G96 0.2- 0.1- 211208 H01 0.0 0.1- 211209 V06 0.1+ 0.1-
211208 V06 0.2- 0.1+ 211208 H01 0.1+ 0.1+ 211209 V06 0.1- 0.5+
211208 V06 0.4- 0.5+ 211209 H21 0.1+ 0.2-
Ephemeris:
2021 XM5 a,e,i = 1.15, 0.43, 16 q = 0.6578
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 11 18 26 14.5 +30 34 02 0.2069 0.9333 68.2 99.9 22.7
...
2021 11 26 22 17 42.3 +37 25 10 0.1787 1.0465 104.6 65.8 21.3
...
2021 12 04 00 06 15.0 +30 34 05 0.2138 1.1048 118.8 51.4 21.4
...
2021 12 10 00 57 35.1 +25 07 30 0.2572 1.1470 123.5 45.7 21.7
2021 12 11 01 04 20.3 +24 19 39 0.2654 1.1539 123.9 45.1 21.8
2021 12 12 01 10 41.3 +23 33 59 0.2739 1.1607 124.2 44.6 21.8
...
2021 12 18 01 42 04.7 +19 44 01 0.3291 1.2010 124.4 42.5 22.2
...
2021 12 26 02 12 15.3 +16 15 59 0.4115 1.2521 122.2 41.7 22.8
...
2022 01 10 02 52 17.8 +12 58 04 0.5842 1.3398 115.1 41.7 23.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-X200
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