MPEC 2017-X129: 2017 XW2
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M.P.E.C. 2017-X129 Issued 2017 Dec. 14, 16:44 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 XW2
Observations:
K17X02W* C2017 12 12.49181 08 12 20.292+17 51 59.24 21.0 wUEX129F51
K17X02W C2017 12 12.50408 08 12 26.705+17 52 50.31 20.9 wUEX129F51
K17X02W C2017 12 12.51617 08 12 33.039+17 53 40.77 21.0 wUEX129F51
K17X02W C2017 12 13.20270 08 18 50.18 +18 38 17.5 20.3 VSEX129033
K17X02W C2017 12 13.20524 08 18 51.52 +18 38 27.2 20.4 VSEX129033
K17X02W C2017 12 13.20779 08 18 52.84 +18 38 37.0 20.2 VSEX129033
K17X02W C2017 12 13.21035 08 18 54.18 +18 38 46.5 20.5 VSEX129033
K17X02W C2017 12 13.44986 08 21 06.36 +18 54 46.8 20.8 GUEX129I52
K17X02W C2017 12 13.45110 08 21 06.96 +18 54 50.9 UEX129I52
K17X02W C2017 12 13.45234 08 21 07.53 +18 54 55.2 20.7 GUEX129I52
K17X02W C2017 12 13.45358 08 21 08.19 +18 55 00.0 20.7 GUEX129I52
K17X02W C2017 12 14.30331 08 28 38.07 +19 46 46.9 20.6 GUEX129I52
K17X02W C2017 12 14.30455 08 28 38.67 +19 46 51.8 21.6 GUEX129I52
K17X02W C2017 12 14.30579 08 28 39.25 +19 46 55.8 20.8 GUEX129I52
K17X02W C2017 12 14.30703 08 28 39.84 +19 47 00.8 21.0 GUEX129I52
K17X02W C2017 12 14.36484 08 29 07.12 +19 50 31.3 20.6 GUEX129G96
K17X02W C2017 12 14.36999 08 29 09.59 +19 50 49.2 20.9 GUEX129G96
K17X02W C2017 12 14.37516 08 29 11.95 +19 51 08.0 20.8 GUEX129G96
K17X02W C2017 12 14.38031 08 29 14.36 +19 51 26.7 21.0 GUEX129G96
K17X02W KC2017 12 14.41295 08 29 29.67 +19 53 23.8 oEX129691
K17X02W KC2017 12 14.42414 08 29 34.86 +19 54 02.5 oEX129691
K17X02W KC2017 12 14.43533 08 29 40.01 +19 54 42.1 oEX129691
K17X02W C2017 12 14.49653 08 30 08.18 +19 58 13.8 20.5 RoEX129926
K17X02W C2017 12 14.50049 08 30 10.02 +19 58 27.3 20.7 RoEX129926
K17X02W C2017 12 14.50446 08 30 11.86 +19 58 41.0 20.5 RoEX129926
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector
+ CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer D. C. Fuls. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer E. J. Christensen.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2017 XW2 Earth MOID = 0.0564 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 334.74467 (2000.0) P Q
n 0.27170254 Peri. 350.81679 +0.24996990 -0.96359356
a 2.3608782 Node 84.66468 +0.89429521 +0.19220301
e 0.5600175 Incl. 5.46826 +0.37114840 +0.18586407
P 3.63 H 24.8 G 0.15 U 5
Residuals in seconds of arc
171212 F51 0.2- 0.1+ 171213 I52 0.8- 0.5- 171214 G96 0.5- 0.1+
171212 F51 0.2- 0.1- 171213 I52 0.1- 0.3- 171214 691 0.2+ 0.4+
171212 F51 0.1+ 0.1+ 171214 I52 0.1+ 0.2- 171214 691 0.3+ 0.3-
171213 033 0.0 0.0 171214 I52 0.2+ 0.1+ 171214 691 0.0 0.1+
171213 033 0.2+ 0.1+ 171214 I52 0.0 0.4- 171214 926 0.4- 0.1+
171213 033 0.1+ 0.3+ 171214 I52 0.0 0.0 171214 926 0.4- 0.1+
171213 033 0.1+ 0.1+ 171214 G96 0.7- 0.2+ 171214 926 0.4- 0.4+
171213 I52 0.0 0.5+ 171214 G96 0.1+ 0.4-
171213 I52 0.2- 0.1- 171214 G96 0.6- 0.2-
Ephemeris:
2017 XW2 a,e,i = 2.36, 0.56, 5 q = 1.0387
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 14 03 13 15.5 -17 25 53 0.1029 1.0747 144.4 32.4 21.4
...
2017 11 29 05 28 13.5 -03 58 24 0.06437 1.0424 149.5 28.7 20.2
...
2017 12 07 07 12 00.9 +10 09 34 0.06475 1.0388 144.8 33.2 20.3
...
2017 12 13 08 17 02.0 +18 26 09 0.07565 1.0425 138.6 38.6 20.8
2017 12 14 08 25 57.1 +19 29 12 0.07810 1.0436 137.8 39.3 20.9
2017 12 15 08 34 19.1 +20 27 09 0.08068 1.0449 137.2 39.8 21.0
...
2017 12 21 09 13 55.5 +24 48 31 0.09846 1.0558 135.0 41.2 21.5
...
2017 12 29 09 44 59.3 +28 11 52 0.1260 1.0781 136.4 39.0 22.0
...
2018 01 13 10 05 00.6 +31 23 53 0.1852 1.1413 145.7 29.1 22.7
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-X129
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