[Iaude] MPEC X119: 2008 XA2 [a=2.39,e=0.61,i=2.9,H=21.5]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Dec 13 22:23:42 EST 2019
M.P.E.C. 2019-X119 Issued 2019 December 14, 03:21 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
2008 XA2
Revision to MPEC 2008-X43
Additional Observations:
K08X02A C2019 12 06.09569 23 23 47.30 +01 06 30.5 20.5 GVEX119G96
K08X02A C2019 12 06.10142 23 23 50.33 +01 06 56.4 21.0 GVEX119G96
K08X02A C2019 12 06.10716 23 23 53.37 +01 07 21.6 21.1 GVEX119G96
K08X02A C2019 12 06.11289 23 23 56.46 +01 07 47.1 20.5 GVEX119G96
K08X02A C2019 12 06.14094 23 24 11.45 +01 09 51.9 21.1 GVEX119G96
K08X02A C2019 12 06.14170 23 24 11.84 +01 09 55.3 20.8 GVEX119G96
K08X02A C2019 12 06.14245 23 24 12.21 +01 09 59.2 21.2 GVEX119G96
K08X02A C2019 12 06.14320 23 24 12.63 +01 10 02.1 20.5 GVEX119G96
K08X02A C2019 12 06.23037 23 24 59.30 +01 16 29.0 20.9 GVEX119G96
K08X02A C2019 12 06.23112 23 24 59.77 +01 16 33.1 20.3 GVEX119G96
K08X02A C2019 12 06.23187 23 25 00.14 +01 16 35.3 VEX119G96
K08X02A |C2019 12 07.09324 23 32 49.51 +02 20 46.7 20.5 VuEX119807
K08X02A |C2019 12 07.09825 23 32 52.16 +02 21 09.5 20.4 VuEX119807
K08X02A |C2019 12 07.10340 23 32 54.92 +02 21 32.2 20.1 VuEX119807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes.
0.61-m f/6.5 astrograph + 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
191206 G96 79+ 26+ 191207 807 80+ 27+ MPO151118 +127 days
Orbital elements:
2008 XA2 PHA, Earth MOID = 0.0075 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell
M 56.93529 (2000.0) P Q
n 0.26755517 Peri. 334.45928 +0.96933221 -0.24358309
a 2.3852129 Node 39.68321 +0.23332320 +0.87052374
e 0.6124647 Incl. 2.92587 +0.07717093 +0.42761630
P 3.68 H 21.5 G 0.15 U 3
Residuals in seconds of arc
081204 704 0.1+ 0.4+ 081206 130 0.0 0.7- 081213 H55 0.2+ 0.3+
081204 704 0.9- 0.8- 081206 130 0.1+ 0.4- 081213 H55 0.3- 0.3-
081204 704 0.4+ 0.4- 081207 H45 0.2- 0.2- 081219 704 (0.1- 2.1+)
081204 704 0.4+ 0.1+ 081207 H45 0.1- 0.1- 081219 704 0.1+ 0.9+
081204 704 0.1- 0.4- 081207 H45 0.3- 0.2- 081219 704 1.4- 0.2+
081205 H55 0.1- 0.0 081207 H45 0.1- 0.1+ 081219 704 0.2+ 0.2-
081205 H55 0.1- 0.0 081207 H45 0.1- 0.5- 081225 448 0.3+ 0.5-
081205 H55 0.2- 0.1- 081207 H45 0.3- 0.2- 081225 448 0.2+ 0.3-
081205 G96 0.1+ 0.1- 081207 H45 0.2- 0.0 081225 448 0.4+ 0.3+
081205 G96 0.1- 0.1- 081207 704 0.7+ 0.7+ 081230 291 0.1- 0.3-
081205 G96 0.1+ 0.1- 081207 704 0.4+ 0.2+ 081230 291 0.1+ 0.5-
081205 G96 0.3- 0.1- 081207 704 0.1- 0.3+ 081230 291 0.1- 0.2-
081205 854 0.2+ 0.2+ 081207 704 0.0 0.2+ 191206 G96 0.1+ 0.3-
081205 854 0.1- 0.1+ 081207 704 0.3+ 0.4+ 191206 G96 0.2- 0.1+
081205 854 (2.1- 1.7-) 081207 204 0.5- 0.4+ 191206 G96 0.5- 0.2-
081205 B18 0.5- 0.0 081207 204 0.1- 0.1- 191206 G96 0.1+ 0.2-
081205 B18 0.3- 0.2- 081207 204 0.2+ 0.3- 191206 G96 0.5+ 0.1-
081205 B18 0.1- 0.1- 081208 560 0.2+ 0.6+ 191206 G96 0.3+ 0.1-
081206 704 0.2+ 0.5+ 081208 560 0.0 0.4+ 191206 G96 0.2- 0.5+
081206 704 0.2+ 0.0 081208 560 0.2- 0.1- 191206 G96 0.1+ 0.1+
081206 704 0.1+ 0.5+ 081211 H55 0.3+ 0.0 191206 G96 0.3- 0.2-
081206 704 0.1+ 1.1+ 081211 H55 0.2- 0.0 191206 G96 0.7+ 0.6+
081206 587 0.6+ 0.0 081211 H55 0.4+ 0.1- 191206 G96 0.2+ 0.6-
081206 587 0.4+ 0.4+ 081211 H55 0.2- 0.2- 191207 807 0.2+ 0.6-
081206 587 0.7+ 0.2+ 081211 H55 0.1- 0.2- 191207 807 0.2- 0.1+
081206 130 0.2- 0.0 081213 H55 0.3- 0.2- 191207 807 0.1- 0.1+
081206 130 0.1+ 0.5- 081213 H55 0.5- 0.1-
Ephemeris:
2008 XA2 a,e,i = 2.39, 0.61, 3 q = 0.9244
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 11 14 20 24 50.5 -20 19 21 0.3013 0.9443 72.6 89.7 21.9
...
2019 11 29 22 19 45.0 -07 30 00 0.2402 1.0066 87.9 78.3 21.2
...
2019 12 07 23 31 59.9 +02 13 33 0.2382 1.0535 100.1 67.0 20.9
...
2019 12 13 00 24 53.4 +09 09 36 0.2544 1.0935 108.8 58.4 20.8
2019 12 14 00 33 16.9 +10 12 01 0.2585 1.1005 110.1 57.1 20.8
2019 12 15 00 41 30.9 +11 11 59 0.2630 1.1076 111.4 55.8 20.8
...
2019 12 21 01 27 12.5 +16 17 34 0.2975 1.1517 117.5 49.3 21.0
...
2019 12 29 02 17 47.3 +20 52 24 0.3601 1.2141 122.2 43.3 21.4
...
2020 01 13 03 26 56.1 +25 08 30 0.5148 1.3382 123.5 37.8 22.2
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-X119
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