[Iaude] MPEC V48: 2017 XG2 [a=1.36,e=0.34,i=6.0,H=22.14]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Nov 5 09:19:21 EST 2023
M.P.E.C. 2023-V48 Issued 2023 November 5, 14:17 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
2017 XG2
Revision to MPEC 2017-X115
Additional Observations:
K17X02G 0C2023 09 17.24562821 43 55.749-01 28 07.71 24.51GVEV048T12
K17X02G 0C2023 09 17.28909321 43 52.293-01 28 31.76 24.19GVEV048T12
K17X02G 0C2023 09 19.30748021 41 24.328-01 46 54.32 24.63GVEV048T12
Observer details:
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. Hung.
Measurer D. J. Tholen. 2.24-m f/10.1 reflector + 2112 x 2112 pixels
STA1600 10k CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
230917 T12 29.2- 13.9- 230919 T12 28.5- 13.6- E2023-O30 +0.01 days
Orbital elements:
2017 XG2 Earth MOID = 0.0194 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 184.30034 (2000.0) P Q
n 0.62400966 Peri. 242.48883 -0.92457177 -0.36669653
a 1.3562565 Node 275.84565 +0.37585786 -0.83332606
e 0.3411861 Incl. 5.96868 +0.06243318 -0.41364397
P 1.58 H 22.14 G 0.15 U 1
Residuals in seconds of arc
171209 G96 2.0+ 0.8+ 171212 033 0.1- 0.0 171225 703 0.5+ 0.0
171209 G96 1.7+ 0.0 171212 033 0.0 0.2+ 171225 703 0.4- 0.5+
171209 G96 0.6+ 0.1+ 171213 926 0.1- 0.1+ 171225 703 0.4+ 0.9-
171209 G96 0.1- 0.0 171213 926 0.5- 0.4- 171226 G96 0.1+ 0.4-
171209 I52 0.6- 0.4+ 171213 926 0.2+ 0.2- 171226 G96 0.2+ 0.1+
171209 I52 0.8- 0.0 171213 I52 0.4+ 0.4+ 171226 G96 0.2+ 0.3+
171209 I52 0.0 0.2+ 171213 I52 0.2+ 0.2- 171226 G96 0.2+ 1.2+
171209 I52 0.4+ 0.3+ 171213 I52 0.0 0.0 171227 H21 0.2+ 0.1+
171209 H01 0.1+ 0.0 171213 I52 0.1- 0.3- 171227 H21 0.1- 0.1+
171209 H01 0.2+ 0.0 171213 G96 0.1+ 0.5- 171227 H21 0.3+ 0.0
171209 H01 0.1+ 0.1+ 171213 G96 1.0- 0.5- 180105 I52 0.2- 0.3+
171209 H01 0.1+ 0.1+ 171213 G96 0.3+ 0.2- 180105 I52 0.0 0.7+
171210 H36 0.1- 0.1+ 171213 G96 0.1- 0.2+ 180105 I52 0.1+ 0.1+
171210 H36 0.2- 0.0 171214 691 0.3- 2.3- 180105 I52 0.0 0.2-
171210 H36 0.5- 0.2- 171214 I52 0.0 0.0 180105 691 0.2- 0.2+
171210 H01 0.1+ 0.0 171214 I52 0.3+ 0.2+ 180105 691 0.3+ 0.5+
171210 H01 0.1+ 0.0 171214 I52 0.2+ 0.1+ 180105 691 0.0 0.2+
171210 H01 0.0 0.0 171214 I52 0.0 0.3- 180114 691 0.1- 0.1+
171210 H01 0.2+ 0.0 171214 691 0.1- 0.3- 180114 691 0.2+ 0.1-
171210 291 0.5- 0.2+ 171214 926 0.1+ 0.1+ 180114 691 0.2+ 0.0
171210 291 0.7- 0.5- 171214 926 0.1+ 0.0 180119 807 0.2- 1.6-
171211 H21 0.3+ 0.0 171214 691 0.1- 0.0 180119 807 0.2+ 0.4+
171211 H21 0.4+ 0.2+ 171214 926 0.1+ 0.1- 180119 807 0.5+ 0.1-
171211 H21 0.4+ 0.1- 171220 I52 0.5+ 0.6+ 180119 691 1.0- 0.5+
171211 J95 0.0 0.3+ 171220 I52 0.1- 0.2+ 180119 691 0.4+ 0.1+
171211 J95 0.6- 0.1+ 171220 I52 0.3+ 0.3+ 180420 807 0.1- 0.1+
171211 J95 0.2+ 0.2- 171220 I52 0.3+ 0.0 180420 807 0.1+ 0.1+
171212 033 0.0 0.1+ 171220 691 0.1+ 0.1+ 180420 807 0.1+ 0.0
171212 033 0.1- 0.1+ 171220 691 0.0 0.0 230917 T12 0.0 0.2-
171212 033 0.0 0.1+ 171220 691 0.3- 0.1+ 230917 T12 0.1+ 0.2-
171212 033 0.0 0.2+ 171225 703 0.9- 0.2+ 230919 T12 0.1+ 0.1-
Ephemeris:
2017 XG2 a,e,i = 1.36, 0.34, 6 q = 0.8935
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 10 06 21 28 37.1 -03 55 34 0.9900 1.8054 130.3 25.0 24.6
...
2023 10 21 21 28 26.9 -05 04 06 1.1180 1.7882 115.4 30.2 24.9
...
2023 10 29 21 32 08.8 -05 20 47 1.1918 1.7763 108.4 32.1 25.1
...
2023 11 04 21 36 21.8 -05 24 38 1.2483 1.7661 103.5 33.1 25.2
2023 11 05 21 37 10.5 -05 24 35 1.2577 1.7643 102.7 33.3 25.3
2023 11 06 21 38 01.1 -05 24 20 1.2672 1.7624 101.9 33.4 25.3
...
2023 11 12 21 43 39.8 -05 18 48 1.3238 1.7507 97.3 34.1 25.4
...
2023 11 20 21 52 38.1 -05 00 59 1.3984 1.7334 91.5 34.7 25.5
...
2023 12 05 22 13 06.0 -03 58 03 1.5317 1.6958 81.6 35.1 25.7
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-V48
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