MPEC 2017-B31 : 2017 BT
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M.P.E.C. 2017-B31 Issued 2017 Jan. 21, 19:33 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 BT
Observations:
K17B00T* C2017 01 19.16054 04 08 22.66 +31 44 16.8 19.5 VqEB031G96
K17B00T C2017 01 19.16483 04 08 23.62 +31 44 38.4 19.5 VqEB031G96
K17B00T C2017 01 19.16912 04 08 24.54 +31 45 00.6 20.1 VqEB031G96
K17B00T C2017 01 19.29519 04 08 52.89 +31 55 28.3 19.5 VqEB031G96
K17B00T C2017 01 19.30045 04 08 54.06 +31 55 53.4 19.2 VqEB031G96
K17B00T C2017 01 19.30335 04 08 54.78 +31 56 07.5 20.2 VqEB031G96
K17B00T KC2017 01 19.79465 04 11 02.71 +32 37 01.0 qEB031J95
K17B00T KC2017 01 19.79932 04 11 03.77 +32 37 24.6 qEB031J95
K17B00T KC2017 01 19.80046 04 11 02.80 +32 37 35.4 19.3 RoEB031K88
K17B00T KC2017 01 19.80406 04 11 04.90 +32 37 48.7 19.4 RqEB031J95
K17B00T KC2017 01 19.80458 04 11 03.76 +32 37 55.7 19.4 RoEB031K88
K17B00T KC2017 01 19.80869 04 11 04.68 +32 38 16.3 19.1 RoEB031K88
K17B00T KC2017 01 19.85038 04 11 14.72 +32 41 44.4 SEB031595
K17B00T KC2017 01 19.85689 04 11 16.33 +32 42 18.7 18.8 tEB031104
K17B00T KC2017 01 19.86008 04 11 17.12 +32 42 34.2 18.7 tEB031104
K17B00T KC2017 01 19.86142 04 11 17.27 +32 42 38.7 20.0 VSEB031595
K17B00T KC2017 01 19.86498 04 11 18.20 +32 42 58.4 tEB031104
K17B00T KC2017 01 19.88228 04 11 22.87 +32 44 24.8 19.5 VUEB031958
K17B00T KC2017 01 19.89024 04 11 24.74 +32 45 04.7 19.6 VUEB031958
K17B00T KC2017 01 19.89819 04 11 26.61 +32 45 44.2 19.9 VUEB031958
K17B00T KC2017 01 19.91465 04 11 29.86 +32 47 00.3 19.7 RqEB031203
K17B00T KC2017 01 19.96063 04 11 40.70 +32 50 42.8 19.2 RqEB031203
K17B00T C2017 01 20.75037 04 15 07.13 +33 54 52.6 qEB031246
K17B00T C2017 01 20.75060 04 15 07.24 +33 54 53.3 19.6 RqEB031246
K17B00T C2017 01 20.75083 04 15 07.31 +33 54 54.7 qEB031246
K17B00T C2017 01 20.75135 04 15 07.37 +33 54 57.1 qEB031246
K17B00T C2017 01 20.75186 04 15 07.41 +33 54 59.6 qEB031246
K17B00T C2017 01 20.75212 04 15 07.47 +33 55 01.3 qEB031246
K17B00T KC2017 01 20.79715 04 15 19.08 +33 58 34.9 qEB031I67
K17B00T KC2017 01 20.80430 04 15 20.78 +33 59 09.4 qEB031I67
K17B00T KC2017 01 20.80542 04 15 20.51 +33 59 22.0 qEB031587
K17B00T KC2017 01 20.80799 04 15 21.11 +33 59 34.3 19.5 RqEB031587
K17B00T KC2017 01 20.81146 04 15 22.49 +33 59 43.9 qEB031I67
K17B00T KC2017 01 20.95050 04 15 55.21 +34 10 46.6 19.7 GUEB031204
K17B00T KC2017 01 20.96120 04 15 57.82 +34 11 36.1 UEB031204
K17B00T IC2017 01 20.97214 04 16 00.52 +34 12 27.0 UEB031204
K17B00T KC2017 01 21.70799 04 19 18.79 +35 10 04.3 uEB031118
K17B00T KC2017 01 21.71665 04 19 21.03 +35 10 44.9 uEB031118
K17B00T KC2017 01 21.72489 04 19 22.97 +35 11 24.1 uEB031118
K17B00T C2017 01 21.79452 04 19 40.11 +35 16 46.4 19.9 RqEB031246
K17B00T C2017 01 21.79570 04 19 40.40 +35 16 51.5 qEB031246
K17B00T C2017 01 21.79754 04 19 40.98 +35 17 00.2 qEB031246
K17B00T C2017 01 21.79783 04 19 41.02 +35 17 01.6 qEB031246
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m f/4 reflector + CCD.
118 Modra. Observer S. Gajdos. 0.6-m f/5.5 reflector + 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.
587 Sormano. Observers A. Fumagalli, F. Manca, P. Sicoli, A. Testa. Measurer
P. Sicoli. 0.5-m f/6.8 reflector + CCD.
595 Farra d'Isonzo. Observer 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.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
I67 Hartley Wintney. Observer G. Thurston. 0.36-m f/6 Schmidt-Cassegrain
+ CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
Orbital elements:
2017 BT Earth MOID = 0.0737 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 29.36059 (2000.0) P Q
n 0.60587228 Peri. 346.98308 -0.05315036 -0.98562178
a 1.3831905 Node 105.88961 +0.93047780 -0.10718362
e 0.2386057 Incl. 9.59956 +0.36247221 +0.13061919
P 1.63 H 22.2 G 0.15 U 7
Residuals in seconds of arc
170119 G96 0.0 0.3- 170119 595 0.5+ 0.2+ 170120 587 0.2- 0.4+
170119 G96 0.2+ 0.4- 170119 104 0.2+ 0.1- 170120 587 0.3- 0.3+
170119 G96 0.1- 0.0 170119 958 0.5- 0.5- 170120 I67 0.4- 0.2-
170119 G96 0.1+ 0.1+ 170119 958 0.0 0.3+ 170120 204 0.0 0.2+
170119 G96 0.6- 0.6- 170119 958 0.5+ 0.8+ 170120 204 0.2- 0.1+
170119 G96 0.0 0.7- 170119 203 0.0 0.6+ 170120 204 0.1- 0.3+
170119 J95 0.1+ 0.2- 170119 203 0.3- 0.7+ 170121 118 0.4- 0.4+
170119 J95 0.2- 0.0 170120 246 0.1+ 0.5- 170121 118 1.0+ 0.3+
170119 K88 0.2- 0.3+ 170120 246 0.8+ 0.9- 170121 118 0.1- 0.8+
170119 J95 0.1+ 0.4+ 170120 246 1.0+ 0.6- 170121 246 0.7- 0.0
170119 K88 0.1- 0.2+ 170120 246 0.2+ 0.7- 170121 246 0.7- 0.4-
170119 K88 0.4- 0.4+ 170120 246 0.9- 0.7- 170121 246 0.9+ 0.2-
170119 595 0.4+ 0.1+ 170120 246 0.9- 0.3- 170121 246 0.6+ 0.1-
170119 104 0.1+ 0.0 170120 I67 0.2- 0.1-
170119 104 0.8+ 0.2- 170120 I67 0.3- 0.1-
Ephemeris:
2017 BT a,e,i = 1.38, 0.24, 10 q = 1.0532
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 12 22 02 55 56.0 -13 59 17 0.1267 1.0549 121.2 52.9 19.8
...
2017 01 06 03 23 53.1 +10 06 59 0.1167 1.0549 125.2 49.6 19.5
...
2017 01 14 03 48 34.2 +23 52 09 0.1224 1.0607 126.3 48.3 19.6
...
2017 01 20 04 11 53.4 +32 54 16 0.1321 1.0676 126.3 48.0 19.7
2017 01 21 04 16 10.6 +34 14 59 0.1341 1.0689 126.3 47.9 19.8
2017 01 22 04 20 34.5 +35 32 40 0.1363 1.0703 126.2 47.9 19.8
...
2017 01 28 04 49 11.0 +42 12 51 0.1513 1.0799 125.6 47.9 20.1
...
2017 02 05 05 32 03.2 +48 14 23 0.1764 1.0957 124.6 47.8 20.4
...
2017 02 20 06 55 13.6 +52 23 44 0.2348 1.1330 122.7 47.3 21.1
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-B31
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