MPEC 2017-X144: 2017 XT60
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M.P.E.C. 2017-X144 Issued 2017 Dec. 15, 21:54 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 XT60
Observations:
K17X60T* C2017 12 14.25895 04 00 31.11 +19 07 20.0 20.5 GUEX144G96
K17X60T C2017 12 14.26416 04 00 39.59 +19 06 24.7 20.6 GUEX144G96
K17X60T C2017 12 14.27449 04 00 56.13 +19 04 35.4 20.3 GUEX144G96
K17X60T C2017 12 14.34119604 02 43.89 +18 52 19.7 20.0 GUEX144H01
K17X60T C2017 12 14.34840604 02 55.85 +18 50 59.6 20.2 GUEX144H01
K17X60T C2017 12 14.35832904 03 12.34 +18 49 09.4 19.9 GUEX144H01
K17X60T C2017 12 14.37034804 03 32.47 +18 46 54.6 20.1 GUEX144H01
K17X60T C2017 12 14.37381 04 03 38.90 +18 46 28.7 20.4 GUEX144I52
K17X60T C2017 12 14.37477 04 03 40.54 +18 46 17.9 20.2 GUEX144I52
K17X60T C2017 12 14.37669 04 03 43.74 +18 45 56.2 20.3 GUEX144I52
K17X60T C2017 12 14.80094 04 17 03.38 +17 23 07.8 20.1 VSEX144033
K17X60T C2017 12 14.80220 04 17 05.66 +17 22 53.0 20.0 VSEX144033
K17X60T C2017 12 14.80380 04 17 08.54 +17 22 33.8 20.2 VSEX144033
K17X60T C2017 12 14.87496 04 19 17.03 +17 08 11.0 19.9 VSEX144033
K17X60T C2017 12 14.87621 04 19 19.30 +17 07 55.4 19.4 VSEX144033
K17X60T C2017 12 14.87748 04 19 21.58 +17 07 39.9 19.9 VSEX144033
K17X60T C2017 12 15.13734504 27 55.71 +16 13 16.0 19.6 GUEX144H01
K17X60T C2017 12 15.14674104 28 13.28 +16 11 13.8 19.5 GUEX144H01
K17X60T C2017 12 15.15233604 28 23.76 +16 10 01.2 19.7 GUEX144H01
K17X60T C2017 12 15.15803904 28 34.41 +16 08 46.5 20.0 GUEX144H01
K17X60T C2017 12 15.23547 04 31 00.18 +15 51 43.6 20.3 GUEX144I52
K17X60T C2017 12 15.23601 04 31 01.24 +15 51 36.5 19.8 GUEX144I52
K17X60T C2017 12 15.23656 04 31 02.26 +15 51 28.9 19.7 GUEX144I52
K17X60T C2017 12 15.23711 04 31 03.33 +15 51 22.0 18.8 GUEX144I52
K17X60T C2017 12 15.28234 04 32 27.79 +15 41 07.9 20.5 RoEX144926
K17X60T C2017 12 15.28493 04 32 32.65 +15 40 31.5 20.7 RoEX144926
K17X60T C2017 12 15.28750 04 32 37.50 +15 39 56.0 20.6 RoEX144926
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers C. Hoegner,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + 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 XT60 Earth MOID = 0.0212 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 321.44002 (2000.0) P Q
n 0.34281114 Peri. 193.94294 -0.08991768 -0.99234973
a 2.0219299 Node 261.26621 +0.92177315 -0.05075305
e 0.5059974 Incl. 4.90998 +0.37715921 -0.11254393
P 2.88 H 27.4 G 0.15 U 6
Residuals in seconds of arc
171214 G96 0.6- 0.5+ 171214 I52 0.2+ 0.1- 171215 H01 0.0 0.1+
171214 G96 1.0+ 0.1+ 171214 033 0.0 0.1+ 171215 H01 0.1- 0.1-
171214 G96 0.2- 0.1+ 171214 033 0.0 0.3+ 171215 I52 0.5- 0.1-
171214 H01 0.2- 0.2- 171214 033 0.2- 0.2+ 171215 I52 0.3+ 0.1+
171214 H01 0.1- 0.3- 171214 033 0.1- 0.3- 171215 I52 0.2+ 0.0
171214 H01 0.4- 0.1+ 171214 033 0.1+ 0.5- 171215 I52 0.8+ 0.5+
171214 H01 0.1- 0.0 171214 033 0.1- 0.3- 171215 926 0.3- 0.3+
171214 I52 0.0 0.0 171215 H01 0.0 0.1+ 171215 926 0.2- 0.2-
171214 I52 0.5+ 0.0 171215 H01 0.2- 0.1- 171215 926 0.3+ 0.0
Ephemeris:
2017 XT60 a,e,i = 2.02, 0.51, 5 q = 0.9988
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 11 15 01 08 53.0 +29 53 19 0.1406 1.1109 148.0 28.2 24.6
...
2017 11 30 01 25 33.7 +29 13 10 0.07683 1.0457 139.3 38.0 23.4
...
2017 12 08 02 10 28.7 +27 22 55 0.04561 1.0213 141.8 36.6 22.2
...
2017 12 14 03 53 12.1 +19 52 10 0.02596 1.0086 158.4 21.0 20.5
2017 12 15 04 23 11.4 +16 45 32 0.02364 1.0070 163.2 16.4 20.2
2017 12 16 04 57 36.3 +12 43 50 0.02186 1.0055 166.4 13.3 19.9
...
2017 12 22 08 30 48.4 -15 30 40 0.02633 0.9996 126.4 52.4 21.4
...
2017 12 30 10 22 02.3 -25 01 37 0.05284 1.0001 107.0 70.1 23.5
...
2018 01 14 11 09 34.8 -26 41 58 0.1081 1.0262 110.4 64.0 24.9
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-X144
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