MPEC 2016-X80 : 2016 XH18
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M.P.E.C. 2016-X80 Issued 2016 Dec. 8, 17:29 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
2016 XH18
Observations:
K16X18H* C2016 12 06.29299 06 56 16.82 +39 58 08.8 20.8 rREX080G45
K16X18H C2016 12 06.29728 06 56 16.46 +39 57 47.9 20.3 rREX080G45
K16X18H C2016 12 06.29846 06 56 16.34 +39 57 41.6 20.3 rREX080G45
K16X18H C2016 12 06.31312 06 56 14.98 +39 56 28.6 20.8 rREX080G45
K16X18H C2016 12 06.31821 06 56 14.47 +39 56 03.0 20.9 rREX080G45
K16X18H C2016 12 06.31899 06 56 14.46 +39 55 59.4 20.4 rREX080G45
K16X18H C2016 12 07.04275 06 55 29.27 +38 55 36.2 20.0 VSEX080033
K16X18H C2016 12 07.04584 06 55 29.02 +38 55 21.2 20.3 VSEX080033
K16X18H C2016 12 07.04894 06 55 28.74 +38 55 06.2 20.4 VSEX080033
K16X18H C2016 12 07.07890 06 55 26.27 +38 52 39.4 20.1 VSEX080033
K16X18H C2016 12 07.08200 06 55 26.01 +38 52 24.0 20.2 VSEX080033
K16X18H C2016 12 07.08509 06 55 25.75 +38 52 08.7 20.1 VSEX080033
K16X18H C2016 12 07.18150 06 55 18.09 +38 44 11.7 20.9 VSEX080033
K16X18H C2016 12 07.18459 06 55 17.92 +38 43 56.3 20.8 VSEX080033
K16X18H C2016 12 07.18769 06 55 17.68 +38 43 41.3 20.9 VSEX080033
K16X18H KC2016 12 08.01485 06 54 32.14 +37 38 39.8 20.0 qEX080104
K16X18H KC2016 12 08.02071 06 54 31.60 +37 38 12.7 20.3 qEX080104
K16X18H KC2016 12 08.02657 06 54 31.09 +37 37 45.6 20.1 qEX080104
K16X18H KC2016 12 08.10823 06 54 24.11 +37 31 24.1 20.6 VSEX080595
K16X18H KC2016 12 08.11579 06 54 23.52 +37 30 49.1 SEX080595
K16X18H C2016 12 08.38722 06 54 09.16 +37 10 26.3 20.7 VqEX080I52
K16X18H C2016 12 08.38856 06 54 09.02 +37 10 20.1 20.3 VqEX080I52
K16X18H C2016 12 08.39320 06 54 08.63 +37 09 58.8 20.3 VqEX080I52
K16X18H C2016 12 08.39431 06 54 08.56 +37 09 54.3 20.4 VqEX080I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers B. Stecklum,
U. Laux. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri, L. Mazzei,
M. D. Grazia. Measurers P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4
reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.0 reflector + CCD.
G45 Space Surveillance Telescope, Atom Site. Observers M. Blythe, R. Brungard,
P. Festler, T. McVey, J. Paige, G. Spitz. Measurers M. Cornell, A. Klein,
J. Ruprecht, G. Ushomirsky, J. Varey, D. Woods. 3.5-m f/1 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
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:
2016 XH18 Earth MOID = 0.0770 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 36.65574 (2000.0) P Q
n 0.33661331 Peri. 119.79745 +0.81764860 -0.56504637
a 2.0466733 Node 274.81977 +0.48258155 +0.77717862
e 0.5128588 Incl. 6.35708 +0.31395192 +0.27697651
P 2.93 H 23.6 G 0.15 U 6
Residuals in seconds of arc
161206 G45 0.2+ 0.1- 161207 033 0.0 0.2+ 161208 104 0.1+ 0.3-
161206 G45 0.4+ 0.3+ 161207 033 0.2+ 0.1+ 161208 104 0.1- 0.4-
161206 G45 0.2+ 0.1- 161207 033 0.1+ 0.0 161208 595 0.2- 0.0
161206 G45 0.3- 0.0 161207 033 0.1+ 0.2- 161208 595 0.0 0.5+
161206 G45 0.9- 0.2- 161207 033 0.3- 0.1- 161208 I52 0.2- 0.1+
161206 G45 0.2- 0.1+ 161207 033 0.4+ 0.2- 161208 I52 0.4- 0.0
161207 033 0.2+ 0.0 161207 033 0.3+ 0.3+ 161208 I52 0.2- 0.2-
161207 033 0.3+ 0.0 161208 104 0.7+ 0.2- 161208 I52 0.1+ 0.4+
Ephemeris:
2016 XH18 a,e,i = 2.05, 0.51, 6 q = 0.9970
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 11 08 19 03 59.6 +68 17 22 0.08487 1.0030 95.9 79.3 21.0
...
2016 11 23 07 11 43.8 +66 51 36 0.08755 1.0391 124.1 51.9 20.3
...
2016 12 01 07 01 44.7 +48 36 47 0.1074 1.0701 139.6 36.7 20.4
...
2016 12 07 06 55 31.8 +38 59 23 0.1284 1.0979 149.6 27.0 20.6
2016 12 08 06 54 32.3 +37 40 00 0.1323 1.1028 151.2 25.5 20.6
2016 12 09 06 53 33.5 +36 24 49 0.1364 1.1079 152.7 24.0 20.6
...
2016 12 15 06 47 57.2 +30 10 21 0.1631 1.1400 161.4 16.0 20.8
...
2016 12 23 06 41 20.9 +24 27 30 0.2048 1.1868 171.8 6.8 21.0
...
2017 01 07 06 33 28.2 +18 37 42 0.3037 1.2836 170.2 7.5 22.1
A. U. Tomatic (C) Copyright 2016 MPC M.P.E.C. 2016-X80
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