MPEC 2016-X74 : 2016 XA18
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M.P.E.C. 2016-X74 Issued 2016 Dec. 8, 17:12 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 XA18
Observations:
K16X18A* C2016 12 05.33048 04 37 46.81 +47 24 14.6 19.9 VqEX074G96
K16X18A C2016 12 05.33784 04 37 39.92 +47 24 31.9 19.8 VqEX074G96
K16X18A C2016 12 05.34482 04 37 33.39 +47 24 48.4 19.8 VqEX074G96
K16X18A C2016 12 05.45751 04 35 47.12 +47 28 58.0 19.4 VqEX074G96
K16X18A C2016 12 05.45797 04 35 46.62 +47 28 58.9 19.8 VqEX074G96
K16X18A C2016 12 05.46197 04 35 42.71 +47 29 06.3 qEX074G96
K16X18A C2016 12 05.46249 04 35 42.33 +47 29 08.4 19.6 VqEX074G96
K16X18A C2016 12 05.46295 04 35 41.87 +47 29 09.8 19.5 VqEX074G96
K16X18A C2016 12 05.46700 04 35 38.10 +47 29 18.3 19.8 VqEX074G96
K16X18A C2016 12 05.47395 04 35 31.52 +47 29 33.2 19.8 VqEX074G96
K16X18A C2016 12 05.69013 04 32 13.03 +47 37 36.1 19.4 VSEX074033
K16X18A C2016 12 05.69138 04 32 11.78 +47 37 39.5 19.7 VSEX074033
K16X18A C2016 12 05.69264 04 32 10.52 +47 37 42.9 19.7 VSEX074033
K16X18A C2016 12 05.71813 04 31 45.74 +47 38 49.3 19.7 RqEX074587
K16X18A KC2016 12 05.74818 04 31 15.52 +47 40 07.8 qEX074587
K16X18A KC2016 12 05.75145 04 31 12.18 +47 40 16.2 qEX074587
K16X18A KC2016 12 05.75527 04 31 08.37 +47 40 26.2 qEX074587
K16X18A C2016 12 05.77133 04 30 51.58 +47 41 04.3 19.6 VSEX074033
K16X18A C2016 12 05.77363 04 30 49.26 +47 41 09.9 19.6 VSEX074033
K16X18A C2016 12 05.77593 04 30 46.89 +47 41 15.8 19.7 VSEX074033
K16X18A KC2016 12 05.77604 04 30 47.14 +47 41 20.7 19.8 RoEX074K51
K16X18A KC2016 12 05.77770 04 30 45.42 +47 41 24.9 20.0 RoEX074K51
K16X18A KC2016 12 05.77939 04 30 43.70 +47 41 29.3 19.6 RoEX074K51
K16X18A KC2016 12 05.84100 04 29 40.57 +47 44 01.3 20.3 VqEX074I93
K16X18A KC2016 12 05.84584 04 29 35.48 +47 44 14.2 19.9 VqEX074I93
K16X18A KC2016 12 05.85068 04 29 30.42 +47 44 26.0 20.0 VqEX074I93
K16X18A C2016 12 05.85843 04 29 21.61 +47 44 48.7 qEX074246
K16X18A C2016 12 05.85907 04 29 20.53 +47 44 48.4 qEX074246
K16X18A C2016 12 05.85946 04 29 19.97 +47 44 48.7 19.4 RqEX074246
K16X18A C2016 12 05.85994 04 29 19.54 +47 44 49.4 qEX074246
K16X18A C2016 12 05.86014 04 29 19.28 +47 44 49.9 qEX074246
K16X18A KC2016 12 05.86037 04 29 20.17 +47 44 50.2 20.2 VqEX074I93
K16X18A C2016 12 05.86112 04 29 18.25 +47 44 53.3 qEX074246
K16X18A C2016 12 05.86153 04 29 17.88 +47 44 54.3 qEX074246
K16X18A KC2016 12 05.87490 04 29 04.86 +47 45 26.9 19.7 VqEX074I93
K16X18A KC2016 12 05.87974 04 28 59.68 +47 45 39.0 20.2 VqEX074I93
K16X18A KC2016 12 05.88652 04 28 52.54 +47 45 56.1 19.9 VqEX074I93
K16X18A KC2016 12 05.98189 04 27 08.53 +47 49 44.6 UEX074204
K16X18A KC2016 12 05.99278 04 26 56.58 +47 50 10.0 UEX074204
K16X18A KC2016 12 06.00361 04 26 44.61 +47 50 34.5 19.5 GUEX074204
K16X18A KC2016 12 06.12707 04 24 34.96 +47 55 24.7 19.4 RqEX074H36
K16X18A KC2016 12 06.13092 04 24 30.73 +47 55 34.6 20.0 RqEX074H36
K16X18A KC2016 12 06.13412 04 24 27.09 +47 55 43.1 19.2 RqEX074H36
K16X18A C2016 12 06.17212 04 23 45.00 +47 57 16.8 qEX074I52
K16X18A C2016 12 06.17255 04 23 44.52 +47 57 18.3 19.7 VqEX074I52
K16X18A C2016 12 06.17297 04 23 44.04 +47 57 18.6 19.3 VqEX074I52
K16X18A C2016 12 06.17321 04 23 35.62 +47 56 38.0 19.6 VSEX074033
K16X18A C2016 12 06.17339 04 23 43.50 +47 57 20.3 19.7 VqEX074I52
K16X18A C2016 12 06.17550 04 23 33.00 +47 56 42.7 19.6 VSEX074033
K16X18A C2016 12 06.17780 04 23 30.46 +47 56 47.4 19.9 VSEX074033
K16X18A C2016 12 06.70806 04 12 57.64 +48 16 48.5 19.5 VSEX074033
K16X18A C2016 12 06.71036 04 12 54.59 +48 16 54.1 19.4 VSEX074033
K16X18A C2016 12 06.79340 04 11 04.12 +48 20 10.3 19.0 VSEX074033
K16X18A C2016 12 06.79571 04 11 01.02 +48 20 15.6 19.3 VSEX074033
K16X18A C2016 12 06.79800 04 10 57.88 +48 20 20.9 19.5 VSEX074033
K16X18A C2016 12 06.88705 04 08 54.80 +48 23 44.4 qEX074246
K16X18A C2016 12 06.88825 04 08 53.19 +48 23 46.3 qEX074246
K16X18A C2016 12 06.88878 04 08 52.37 +48 23 46.9 qEX074246
K16X18A KC2016 12 06.93606 04 07 45.64 +48 25 29.8 SEX074595
K16X18A KC2016 12 06.94065 04 07 39.68 +48 25 42.1 20.1 VqEX074C77
K16X18A KC2016 12 06.94815 04 07 29.01 +48 25 57.8 19.5 VqEX074C77
K16X18A KC2016 12 06.95213 04 07 23.91 +48 26 07.9 19.3 VUEX074958
K16X18A KC2016 12 06.95435 04 07 19.58 +48 26 08.1 19.8 VSEX074595
K16X18A KC2016 12 06.95595 04 07 17.76 +48 26 13.4 19.2 VqEX074C77
K16X18A KC2016 12 06.95787 04 07 15.68 +48 26 18.7 19.0 VUEX074958
K16X18A KC2016 12 06.96353 04 07 06.39 +48 26 25.2 19.6 VSEX074595
K16X18A KC2016 12 06.96361 04 07 07.51 +48 26 30.5 19.5 VUEX074958
K16X18A KC2016 12 07.21677504 00 58.95 +48 34 56.4 19.7 VuEX074H21
K16X18A KC2016 12 07.21828404 00 56.63 +48 34 59.3 19.8 VuEX074H21
K16X18A KC2016 12 07.22077704 00 52.77 +48 35 04.0 19.8 VuEX074H21
K16X18A KC2016 12 07.99973 03 38 47.09 +48 53 59.1 18.9 RqEX074203
K16X18A KC2016 12 08.01224 03 38 22.80 +48 54 08.6 qEX074203
K16X18A KC2016 12 08.02465 03 37 58.61 +48 54 16.6 18.7 RqEX074203
K16X18A KC2016 12 08.25055 03 30 31.57 +48 57 11.4 19.5 RqEX074H36
K16X18A KC2016 12 08.26477 03 30 01.62 +48 57 16.2 19.3 RqEX074H36
K16X18A C2016 12 08.37121 03 26 15.28 +48 57 42.1 19.3 VqEX074I52
K16X18A C2016 12 08.37252 03 26 12.41 +48 57 41.9 19.5 VqEX074I52
K16X18A C2016 12 08.37385 03 26 09.55 +48 57 41.6 19.4 VqEX074I52
K16X18A C2016 12 08.37587 03 26 05.16 +48 57 41.5 19.6 VqEX074I52
K16X18A C2016 12 08.49787 03 21 48.99 +48 57 57.2 20.3 RoEX074300
K16X18A C2016 12 08.50034 03 21 43.45 +48 57 57.5 20.5 RoEX074300
K16X18A C2016 12 08.50280 03 21 38.01 +48 57 57.2 20.0 RoEX074300
K16X18A C2016 12 08.50529 03 21 32.36 +48 57 56.3 19.9 RoEX074300
K16X18A C2016 12 08.50776 03 21 26.74 +48 57 56.3 20.0 RoEX074300
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers B. Stecklum,
U. Laux. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.28-m f/6.8 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers S. Okumura, T. Fujiwara.
1.0-m f/3.0 reflector + CCD.
587 Sormano. Observers A. Fumagalli, P. Sicoli, A. Testa. Measurer P. Sicoli.
0.5-m f/6.8 reflector + CCD.
595 Farra d'Isonzo. Observers L. Bittesini, F. Bressan, E. Pettarin, F. Piani.
Measurer E. Pettarin. 0.61-m f/4.0 reflector + CCD.
958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer
P. Dupouy. 0.43-m f/2.7 reflector + CCD.
C77 Bernezzo Observatory. Observer A. Mantero. 0.25-m f/4 reflector + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.61-m f/4.5
astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observers J. A. Johnson,
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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
K51 Osservatorio del Celado, Castello Tesino. Observers G. Favero, R. Furgoni.
Measurer R. Furgoni. 0.80-m f/4 reflector + CCD.
Orbital elements:
2016 XA18 Earth MOID = 0.0217 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 8.50556 (2000.0) P Q
n 0.37465300 Peri. 294.10212 -0.91368188 +0.27463659
a 1.9056797 Node 262.96813 -0.16449552 -0.92395841
e 0.8291325 Incl. 17.56999 -0.37165392 -0.26622471
P 2.63 H 23.1 G 0.15 U 7
Residuals in seconds of arc
161205 G96 0.3+ 0.8- 161205 246 0.6- 0.1- 161206 246 0.4+ 0.1-
161205 G96 0.2+ 0.5- 161205 246 0.2+ 0.6- 161206 246 0.4- 0.6-
161205 G96 0.2+ 0.0 161205 246 0.3- 0.6- 161206 595 0.3+ 1.0-
161205 G96 0.7+ 0.2+ 161205 I93 0.7- 0.3- 161206 C77 0.3+ 0.4-
161205 G96 0.1+ 0.1+ 161205 246 0.2- 0.4+ 161206 C77 0.8+ 0.2-
161205 G96 1.1- 1.1- 161205 246 0.4+ 0.4+ 161206 958 1.6- 0.8+
161205 G96 0.0 0.1- 161205 I93 0.1- 0.1- 161206 595 1.0+ 0.2+
161205 G96 0.2- 0.3+ 161205 I93 0.5- 0.2- 161206 C77 0.1+ 0.5-
161205 G96 0.5+ 0.1+ 161205 I93 0.3+ 0.0 161206 958 1.6- 0.3-
161205 G96 0.7+ 0.2+ 161205 204 0.3+ 0.3- 161206 595 0.7+ 1.1-
161205 033 0.2- 0.1+ 161205 204 0.4+ 0.0 161206 958 0.8- 0.3-
161205 033 0.3- 0.3+ 161206 204 0.0 0.3- 161207 H21 0.4+ 0.4-
161205 033 0.5- 0.5+ 161206 H36 1.4- 0.1- 161207 H21 0.6+ 0.3-
161205 587 0.1- 0.2- 161206 H36 0.1+ 0.1+ 161207 H21 0.6+ 0.2-
161205 587 0.8- 0.5+ 161206 H36 0.1+ 0.6+ 161207 203 0.6- 0.4+
161205 587 1.2- 0.5+ 161206 I52 0.4- 0.7- 161208 203 0.3- 0.4+
161205 587 0.6- 0.6+ 161206 I52 0.2- 0.3- 161208 203 0.3- 0.5-
161205 033 0.3- 0.2+ 161206 I52 0.2- 1.0- 161208 H36 0.9- 0.2+
161205 033 0.0 0.1- 161206 033 1.0+ 0.3+ 161208 H36 1.0- 0.6+
161205 033 0.2- 0.0 161206 I52 0.7- 0.4- 161208 I52 0.1- 0.2+
161205 K51 0.5- 0.4+ 161206 033 0.6+ 0.1+ 161208 I52 0.4- 0.2+
161205 K51 0.7- 0.4+ 161206 033 1.2+ 0.0 161208 I52 0.1- 0.0
161205 K51 0.6- 0.4+ 161206 033 0.1+ 0.0 161208 I52 0.2- 0.2+
161205 I93 0.3- 0.2- 161206 033 0.4- 0.1+ 161208 300 0.8- 0.1+
161205 I93 0.4- 0.5+ 161206 033 0.4+ 0.1- 161208 300 0.2- 0.5+
161205 I93 0.2- 0.0 161206 033 0.7+ 0.2- 161208 300 1.2+ 0.3+
161205 246 (5.0+ 2.5+) 161206 033 0.4+ 0.2- 161208 300 1.2+ 0.5-
161205 246 0.9+ 0.6+ 161206 246 0.4- 0.6+ 161208 300 1.1+ 0.4-
Ephemeris:
2016 XA18 a,e,i = 1.91, 0.83, 18 q = 0.3256
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 11 08 05 53 15.7 +39 30 33 0.6175 1.4915 134.8 28.1 24.2
...
2016 11 23 05 45 16.2 +42 10 04 0.3423 1.2909 148.1 23.8 22.4
...
2016 12 01 05 19 04.9 +44 55 07 0.2057 1.1754 154.7 21.0 21.0
...
2016 12 07 04 06 17.5 +48 27 37 0.1105 1.0843 152.4 24.9 19.6
2016 12 08 03 38 51.5 +48 53 59 0.09597 1.0687 149.3 28.0 19.4
2016 12 09 03 01 47.2 +48 49 34 0.08230 1.0530 144.5 32.9 19.2
...
2016 12 15 21 24 27.6 -00 13 34 0.06080 0.9564 61.2 115.6 21.4
...
2016 12 23 19 29 52.8 -28 40 15 0.1750 0.8208 19.5 156.4 28.7
...
2017 01 07 18 48 56.5 -33 31 37 0.4533 0.5488 12.2 157.7 30.3
A. U. Tomatic (C) Copyright 2016 MPC M.P.E.C. 2016-X74
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