MPEC 2022-W257 : 2015 XD261
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2022-W256
Read MPEC 2022-W258
M.P.E.C. 2022-W257 Issued 2022 November 29, 14:08 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2015 XD261
Revision to MPEC 2015-X137
Additional Observations:
K15XQ1D C2008 12 21.10278 02 21 15.21 +13 58 41.8 VEW257G96
K15XQ1D C2008 12 21.10710 02 21 16.13 +13 58 29.1 21.6 GVEW257G96
K15XQ1D C2008 12 21.11141 02 21 16.89 +13 58 16.8 VEW257G96
K15XQ1D C2008 12 21.11571 02 21 17.88 +13 58 04.0 22.0 GVEW257G96
K15XQ1D KC2022 11 27.07992400 55 05.380+39 10 40.20 21.36GVEW257I52
K15XQ1D KC2022 11 27.08184000 55 05.860+39 10 33.10 21.06GVEW257I52
K15XQ1D KC2022 11 27.08374300 55 06.290+39 10 25.80 VEW257I52
K15XQ1D KC2022 11 27.08565200 55 06.740+39 10 19.10 VEW257I52
Observer details:
G96 Mt. Lemmon Survey. Observer R. E. Hill. Measurers B. Gray, D. Rankin, F.
C. Shelly. 1.5-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. Measurers
E. J. Christensen, 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, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.0-m prime focus + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
081221 G96 0.87+ 0.06+ 221127 I52 0.98+ 0.42+ MPO369296 -0.32 days
Orbital elements:
2015 XD261 Earth MOID = 0.2138 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 36.42750 (2000.0) P Q
n 0.42239102 Peri. 162.72535 +0.48194258 -0.81617563
a 1.7592448 Node 257.41793 +0.76038639 +0.57033241
e 0.3228078 Incl. 19.06087 +0.43536638 -0.09261904
P 2.33 H 22.45 G 0.15 U 1
Residuals in seconds of arc
081221 G96 0.0 0.1- 151206 291 1.3+ 0.3- 151218 G96 0.1- 0.0
081221 G96 0.4+ 0.0 151209 926 0.0 0.0 151219 H21 0.1- 0.7-
081221 G96 1.5- 0.3+ 151209 926 0.0 0.2+ 151219 H21 0.2- 0.4-
081221 G96 0.0 0.2+ 151209 926 0.2+ 0.3+ 151219 H21 0.3- 0.3-
151205 F51 0.1- 0.1+ 151211 926 0.1+ 0.1- 160101 F51 0.6+ 0.3-
151205 F51 0.0 0.1- 151211 926 0.0 0.2+ 160101 F51 0.4+ 0.3-
151205 F51 0.4- 0.2+ 151211 926 0.0 0.2- 160101 F51 0.5+ 0.2-
151205 F51 0.2- 0.1+ 151211 568 0.1- 0.1+ 160103 H21 0.3- 0.1-
151206 F51 0.1+ 0.1+ 151211 568 0.1- 0.1+ 160103 H21 0.2+ 0.2+
151206 F51 0.3+ 0.4- 151211 568 0.0 0.1+ 160103 H21 0.1+ 0.2-
151206 568 0.1- 0.2+ 151216 926 0.0 0.3+ 221127 I52 0.6- 0.3+
151206 568 0.1- 0.2+ 151216 926 0.4- 0.0 221127 I52 0.2- 0.1+
151206 568 0.1- 0.2+ 151216 926 0.2+ 0.0 221127 I52 0.3- 0.3-
151206 291 0.5+ 0.6- 151218 G96 0.0 0.3+ 221127 I52 0.2- 0.1-
151206 291 1.4+ 0.0 151218 G96 0.3+ 0.1-
Ephemeris:
2015 XD261 a,e,i = 1.76, 0.32, 19 q = 1.1913
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 10 30 23 22 45.6 +58 01 10 0.3448 1.2243 125.1 41.6 22.2
...
2022 11 14 00 04 27.1 +50 29 59 0.2941 1.2007 130.3 39.0 21.7
...
2022 11 22 00 34 34.8 +44 05 31 0.2758 1.1939 133.3 37.1 21.5
...
2022 11 28 00 58 49.6 +38 13 53 0.2684 1.1916 134.9 35.9 21.4
2022 11 29 01 02 55.1 +37 11 11 0.2678 1.1914 135.1 35.7 21.4
2022 11 30 01 07 00.7 +36 07 35 0.2674 1.1913 135.3 35.6 21.4
...
2022 12 06 01 31 22.9 +29 34 34 0.2691 1.1922 135.5 35.4 21.4
...
2022 12 14 02 02 30.0 +20 58 14 0.2830 1.1972 133.6 36.6 21.6
...
2022 12 29 02 54 33.1 +08 10 36 0.3421 1.2176 126.3 40.6 22.1
A. U. Tomatic (C) Copyright 2022 MPC M.P.E.C. 2022-W257
Read MPEC 2022-W256
Read MPEC 2022-W258
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)