[Iaude] MPEC O86: 2017 XC [a=2.37,e=0.60,i=33.6,H=20.04]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Mon Jul 29 11:53:16 EDT 2024
M.P.E.C. 2024-O86 Issued 2024 July 29, 15:51 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 XC
Revision to MPEC 2017-X76
Additional Observations:
K17X00C 0C2021 10 11.62659509 56 27.300+39 12 58.67 23.96GVEO086T14
K17X00C 0C2021 10 11.62988809 56 27.828+39 12 59.55 23.77GVEO086T14
K17X00C 0C2021 10 11.63318409 56 28.349+39 13 00.56 23.83GVEO086T14
K17X00C 0C2021 10 29.63966610 41 11.100+40 40 43.10 23.80GVEO086T14
K17X00C 0C2021 10 30.62788710 43 25.964+40 46 10.64 23.45GVEO086T14
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observer L. Wells. Measurer D.
J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
211011 T14 0.06- 0.01- 211030 T14 0.05- 0.02- E2024-G77 -0.55 days
Orbital elements:
2017 XC PHA, Earth MOID = 0.0496 AU
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5 Veres
M 327.04758 (2000.0) P Q
n 0.26939198 Peri. 318.63892 +0.90957373 -0.02915633
a 2.3743584 Node 48.43853 +0.32602197 +0.66858395
e 0.6007601 Incl. 33.64104 -0.25765345 +0.74306488
P 3.66 H 20.04 G 0.15 U 1
Residuals in seconds of arc
171123 G96 0.1+ 0.1- 171207 691 0.4+ 0.1- 171228 I52 0.3+ 0.1-
171123 G96 0.1- 0.1+ 171207 691 0.3+ 0.1- 171228 I52 0.1+ 0.1+
171123 G96 0.2+ 0.2- 171207 J95 0.2- 0.1+ 171229 291 (2.1+ 0.4+)
171204 F51 0.2- 0.1- 171207 J95 0.4- 0.7+ 171229 291 (1.7+ 0.0 )
171204 F51 (0.0 0.4+) 171209 I52 0.2- 0.5+ 171229 291 (1.8+ 0.1+)
171204 F51 0.2- 0.1- 171209 I52 0.0 0.3+ 180106 695 0.3+ 0.1+
171204 F51 (0.3- 0.2-) 171209 I52 0.0 0.1- 180106 695 0.0 0.1-
171205 P93 0.1+ 0.4+ 171209 I52 0.1+ 0.1- 180106 291 0.3- 0.2+
171205 P93 0.2+ 0.1- 171211 H45 0.4- 0.1+ 180106 695 0.1- 0.2+
171205 P93 0.5+ 0.1- 171211 H45 0.3- 0.3+ 180106 291 0.1- 0.1+
171205 204 0.1+ 0.1+ 171211 H45 0.0 0.1- 180118 T12 0.1+ 0.0
171205 204 0.1- 0.0 171211 H45 0.0 0.3+ 180118 T12 0.1- 0.0
171205 204 0.1- 0.1- 171211 H45 0.2- 0.6+ 180118 T12 0.0 0.0
171205 595 0.4+ 0.4+ 171211 H45 0.3+ 0.5+ 180118 T12 0.0 0.0
171205 587 0.4+ 0.8+ 171213 G96 0.1+ 0.1- 180120 291 (2.6+ 0.7+)
171205 595 0.5+ 0.3+ 171213 G96 0.1+ 0.0 180120 291 (3.0+ 0.2-)
171205 587 0.5+ 0.6+ 171213 G96 0.4+ 0.3- 180120 291 (4.0+ 0.3+)
171205 587 0.7+ 0.4+ 171213 G96 0.3+ 0.5- 180123 291 0.5+ 0.8+
171205 587 0.6+ 0.4+ 171217 F51 0.0 0.0 180123 291 (2.9+ 0.3+)
171205 595 0.5+ 0.5+ 171220 I52 0.1- 0.1- 180123 291 (1.0+ 1.5+)
171206 H21 0.2+ 0.1- 171220 I52 0.0 0.0 211011 T14 0.0 0.0
171206 H21 0.1+ 0.0 171220 I52 0.3- 0.0 211011 T14 0.0 0.0
171206 H21 0.1+ 0.2+ 171220 I52 0.1- 0.2- 211011 T14 0.0 0.0
171206 L01 0.1+ 0.1+ 171225 F51 0.1+ 0.1+ 211029 T14 0.0 0.0
171206 L01 0.9+ 0.1+ 171225 F51 0.1- 0.0 211030 T14 0.0 0.0
171206 L01 0.0 0.4+ 171225 F51 0.1- 0.2-
171207 691 0.5+ 0.4+ 171228 I52 0.2+ 0.2+
Ephemeris:
2017 XC a,e,i = 2.37, 0.60, 34 q = 0.9479
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 06 29 13 54 48.7 -16 47 13 1.9391 2.5425 115.1 21.2 24.5
...
2024 07 14 13 50 35.7 -18 00 24 2.0519 2.4471 100.3 24.1 24.7
...
2024 07 22 13 51 05.2 -18 49 01 2.1142 2.3945 93.1 25.1 24.7
...
2024 07 28 13 52 36.3 -19 29 43 2.1601 2.3543 88.0 25.5 24.7
2024 07 29 13 52 57.0 -19 36 51 2.1676 2.3475 87.2 25.6 24.7
2024 07 30 13 53 19.2 -19 44 04 2.1751 2.3407 86.3 25.6 24.7
...
2024 08 05 13 56 04.4 -20 29 29 2.2187 2.2996 81.5 25.9 24.8
...
2024 08 13 14 01 05.6 -21 35 15 2.2729 2.2437 75.4 25.9 24.8
...
2024 08 28 14 14 22.1 -23 53 14 2.3576 2.1355 64.9 25.4 24.7
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-O86
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