[Iaude] MPEC X195: 2012 XN55 [a=0.75,e=0.45,i=29.1,H=23.87]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Dec 11 09:10:56 EST 2023
M.P.E.C. 2023-X195 Issued 2023 December 11, 14:09 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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
2012 XN55
Revision to MPEC 2012-X48
Additional Observations:
K12X55N mC2023 12 07.40124802 34 21.036+42 35 21.19 18.98GVEX195I52
K12X55N mC2023 12 07.40320402 34 20.352+42 34 28.42 18.80GVEX195I52
K12X55N mC2023 12 07.40614402 34 19.348+42 33 08.71 18.97GVEX195I52
K12X55N mC2023 12 07.40631502 34 19.315+42 33 03.89 18.83GVEX195I52
K12X55N 1C2023 12 08.18073 02 30 50.39 +37 00 24.3 19.7 GVEX195703
K12X55N 1C2023 12 08.18377 02 30 49.56 +36 59 11.0 18.8 GVEX195703
K12X55N KC2023 12 09.78181302 25 34.752+26 51 26.93 19.6 GVEX195J95
K12X55N KC2023 12 09.78879702 25 33.480+26 49 03.79 19.6 GVEX195J95
K12X55N KC2023 12 09.79819802 25 31.759+26 45 50.54 19.6 GVEX195J95
Observer details:
703 Catalina Sky Survey. Observer R. A. Kowalski. Measurers B. Gray, D.
Rankin, F. C. Shelly. 0.68-m Schmidt + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer K. W. Wierzchos.
Measurers E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
prime focus + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231207 I52 2.27+ 0.05+ 231209 J95 1.92+ 0.19+ MPO781641 +0.20 days
Orbital elements:
2012 XN55 Earth MOID = 0.0648 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 7.40262 (2000.0) P Q
n 1.52174177 Peri. 14.99238 -0.00934490 +0.88152095
a 0.7485866 Node 256.28645 -0.96016473 -0.13975577
e 0.4540096 Incl. 29.07172 -0.27927830 +0.45098685
P 0.65 H 23.87 G 0.15 U 1
Residuals in seconds of arc
121208 703 0.4- 0.4+ 121209 807 0.0 0.0 121213 807 0.0 0.1-
121208 703 0.3- 0.2- 121209 807 0.2+ 0.1+ 121213 807 0.3+ 0.1-
121208 703 1.0- 1.2- 121209 807 0.3+ 0.2+ 121213 807 0.1+ 0.2-
121208 703 0.2- 0.2- 121209 807 0.2+ 0.3+ 121214 H21 0.1+ 0.2+
121208 854 0.9- 0.5- 121210 J95 0.1- 0.0 121214 807 0.1+ 0.1-
121208 703 2.0- 1.3+ 121210 J95 0.0 0.1- 121214 H21 0.1+ 0.2-
121208 854 0.1- 0.6- 121210 J95 0.3+ 0.0 121214 807 0.1+ 0.1-
121208 291 0.0 0.1- 121210 807 0.2- 0.1+ 121214 H21 0.1- 0.0
121208 291 0.0 0.0 121210 807 0.2- 0.2+ 121214 807 0.2+ 0.1+
121208 291 0.0 0.0 121210 807 0.3- 0.3+ 121214 807 0.0 0.0
121208 900 0.3- 0.5- 121210 807 0.2- 0.2+ 121214 H21 0.1+ 0.1-
121208 900 0.4+ 0.1- 121210 807 0.2- 0.1+ 121214 807 0.0 0.0
121208 J95 0.1+ 0.7+ 121210 G48 1.2- 1.3- 231207 I52 0.2+ 0.1-
121208 J95 0.1+ 0.5- 121210 G48 1.2- 0.0 231207 I52 0.1- 0.2+
121208 A24 0.6+ 0.1+ 121210 G48 0.6- 0.2+ 231207 I52 0.2- 0.3+
121208 A24 0.3- 0.3- 121210 D90 1.0+ 0.1+ 231207 I52 0.1+ 0.1+
121208 A24 0.3- 0.9+ 121210 D90 0.9+ 1.0+ 231208 703 0.7- 1.7-
121208 203 0.0 0.5- 121210 D90 0.9- 0.9- 231208 703 0.3+ 0.6+
121209 204 0.1+ 0.1+ 121212 807 0.0 0.3- 231209 J95 0.0 0.3+
121209 203 0.1- 0.2+ 121212 807 0.0 0.3- 231209 J95 0.0 0.3+
121209 204 0.2+ 0.1+ 121212 807 0.1- 0.1- 231209 J95 0.1+ 0.5-
121209 204 0.0 0.1- 121212 807 0.1- 0.0
121209 807 0.6+ 0.6+ 121213 807 0.1+ 0.2-
Ephemeris:
2012 XN55 a,e,i = 0.75, 0.45, 29 q = 0.4087
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 11 13 46 26.2 +45 44 38 0.2334 0.9173 65.2 101.4 24.2
...
2023 11 26 13 14 42.8 +66 57 04 0.1109 0.9994 93.2 80.4 21.9
...
2023 12 04 03 14 47.6 +69 14 12 0.06845 1.0321 131.2 45.9 19.9
...
2023 12 10 02 24 58.5 +25 38 41 0.08153 1.0517 143.6 33.8 19.9
2023 12 11 02 22 48.4 +20 26 50 0.08739 1.0545 141.4 35.7 20.2
2023 12 12 02 21 07.9 +15 56 21 0.09391 1.0572 138.9 37.8 20.4
...
2023 12 18 02 16 42.8 -00 54 24 0.1411 1.0712 125.0 48.8 21.6
...
2023 12 26 02 17 17.5 -10 17 46 0.2125 1.0834 112.7 56.9 22.7
...
2024 01 10 02 25 05.7 -16 22 28 0.3472 1.0867 97.8 63.7 24.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-X195
More information about the Iaude
mailing list