[Iaude] MPEC O51: 2017 BJ239 [a=41.84,e=0.04,i=22.3,H=8.91]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Thu Jul 25 14:19:46 EDT 2024
M.P.E.C. 2024-O51 Issued 2024 July 25, 18:18 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 BJ239
Additional Observations:
K17BN9J 1C2014 02 27.46607412 14 26.15 +00 20 14.9 WEO051T09
K17BN9J 1C2014 02 27.48171012 14 26.09 +00 20 15.3 WEO051T09
K17BN9J 4C2016 04 02.41732 12 22 11.74 +00 35 35.6 24.8 i1EO051T09
K17BN9J 4C2016 04 02.44189 12 22 11.62 +00 35 36.5 24.6 i1EO051T09
K17BN9J 4C2016 04 02.52328 12 22 11.27 +00 35 39.2 24.8 i1EO051T09
K17BN9J 4C2016 04 02.52599 12 22 11.27 +00 35 39.0 24.7 i1EO051T09
K17BN9J 4C2016 04 04.35736 12 22 03.49 +00 36 37.8 26.2 g1EO051T09
K17BN9J 4C2016 04 04.39588 12 22 03.34 +00 36 38.8 26.0 g1EO051T09
K17BN9J 4C2016 04 04.41295 12 22 03.26 +00 36 39.6 25.9 g1EO051T09
K17BN9J 4C2016 04 04.41508 12 22 03.25 +00 36 39.6 25.5 g1EO051T09
K17BN9J 4C2016 04 04.41948 12 22 03.23 +00 36 39.8 25.7 g1EO051T09
K17BN9J 1C2016 04 05.43829812 21 58.92 +00 37 12.1 WEO051T09
K17BN9J 1C2016 04 05.55625312 21 58.41 +00 37 15.8 WEO051T09
K17BN9J 4C2016 06 04.26227 12 19 02.61 +00 58 40.2 25.3 z1EO051T09
K17BN9J 4C2016 06 04.28926 12 19 02.57 +00 58 40.6 25.0 z1EO051T09
K17BN9J 4C2016 06 04.34327 12 19 02.54 +00 58 41.4 24.8 z1EO051T09
K17BN9J 1C2016 06 05.31719312 19 01.57 +00 58 48.2 WEO051T09
K17BN9J 4C2016 06 05.31720 12 19 01.56 +00 58 48.1 25.0 r1EO051T09
K17BN9J 4C2016 06 05.33063 12 19 01.56 +00 58 48.3 25.3 r1EO051T09
K17BN9J 4C2016 06 05.34553 12 19 01.54 +00 58 48.5 24.8 r1EO051T09
K17BN9J 1C2016 06 05.35611412 19 01.54 +00 58 48.5 WEO051T09
K17BN9J 4C2016 06 05.35612 12 19 01.53 +00 58 48.5 25.0 r1EO051T09
K17BN9J 1C2019 04 03.44808712 37 26.56 +00 30 34.0 WEO051T09
K17BN9J 1C2019 04 03.48031012 37 26.40 +00 30 34.9 WEO051T09
Observer details:
T09 Subaru Telescope, Maunakea. Observers , H. Aihara, Y. AlSayyad, M. Ando,
R. Armstrong, J. Bosch, E. Egami, H. Furusawa, J. Furusawa, S. Harasawa,
Y. Harikane, B.-C. Hsieh, H. Ikeda, K. Ito, I. Iwata, T. Kodama, M. Koike,
M. Kokubo, Y. Komiyama, X. Li, Y. Liang, Y.-T. Lin, R. H. Lupton, N. B.
Lust, L. A. MacArthur, K. Mawatari, S. Mineo, H. Miyatake, S. Miyazaki, S.
More, T. Morishima, H. Murayama, K. Nakajima, F. Nakata, A. J. Nishizawa,
M. Oguri, N. Okabe, Y. Okura, Y. Ono, K. Osato, M. Ouchi, Y.-C. Pan, A. A.
Plazas Malagon, P. A. Price, S. L. Reed, E. S. Rykoff, T. Shibuya, M.
Simunovic, M. A. Strauss, K. Sugimori, Y. Suto, N. Suzuki, M. Takada, Y.
Takagi, T. Takata, S. Takita, M. Tanaka, S. Tang, D. S. Taranu, T. Terai,
Y. Toba, E. L. Turner, H. Uchiyama, B. Vijarnwannaluk, C. Z. Waters, Y.
Yamada, N. Yamamoto, T. Yamashita. Measurers S. Deen, M. Higano, Y.
Kamikawa, H. Fukuyama. 8.3-m Subaru Telescope + CCD, 8.2-m f/2.0
reflector + CCD(HSC).
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
140227 T09 0.32- 0.04- 190403 T09 0.04- 0.04- MPO839487 -31461 days
Orbital elements:
2017 BJ239
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5 Alexandersen
M 215.11435 (2000.0) P Q
n 0.00364168 Peri. 165.08113 +0.95964987 +0.28101836
a 41.8409153 Node 178.48370 -0.28078290 +0.95956196
e 0.0393078 Incl. 22.29769 -0.01526704 +0.01641744
P 271 H 8.91 G 0.15 U 5
Residuals in seconds of arc
140227 T09 0.0 0.3- 160604 T09 0.1- 0.0 170128 T09 0.1- 0.0
140227 T09 0.0 0.4- 160604 T09 0.3+ 0.4+ 170128 T09 0.1+ 0.1-
160402 T09 0.0 0.1+ 160605 T09 0.1+ 0.1+ 170128 T09 0.2- 0.2-
160402 T09 0.2- 0.2+ 160605 T09 0.1- 0.1- 170128 T09 0.1+ 0.0
160402 T09 0.2- 0.3+ 160605 T09 0.1+ 0.0 170128 T09 0.1- 0.0
160402 T09 0.0 0.0 160605 T09 0.1+ 0.1+ 170128 T09 0.1+ 0.1-
160404 T09 0.1- 0.1+ 160605 T09 0.2+ 0.1+ 170201 T09 0.1+ 0.2-
160404 T09 0.2+ 0.1- 160605 T09 0.0 0.1+ 170201 T09 0.2- 0.1-
160404 T09 0.1+ 0.2+ 170123 T09 0.2- 0.1- 170223 T09 0.3- 0.0
160404 T09 0.1+ 0.1+ 170123 T09 0.0 0.0 170223 T09 0.1+ 0.2-
160404 T09 0.0 0.2+ 170123 T09 0.1- 0.1+ 170223 T09 0.0 0.1-
160405 T09 0.1+ 0.1+ 170123 T09 0.1+ 0.0 170223 T09 0.0 0.1-
160405 T09 0.1+ 0.0 170123 T09 0.1+ 0.0 190403 T09 0.2+ 0.1-
160604 T09 0.0 0.2- 170123 T09 0.2+ 0.1+ 190403 T09 0.1- 0.2-
Ephemeris:
2017 BJ239 a,e,i = 41.84, 0.04, 22 q = 40.1962
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 06 25 12 58 49.4 +00 46 35 43.0325 43.2131 99.6 1.3 25.4
...
2024 07 10 12 58 54.9 +00 44 46 43.2821 43.2123 85.4 1.3 25.5
...
2024 07 18 12 59 05.5 +00 43 00 43.4141 43.2118 77.9 1.3 25.5
...
2024 07 24 12 59 16.8 +00 41 21 43.5106 43.2115 72.2 1.3 25.5
2024 07 25 12 59 19.0 +00 41 03 43.5265 43.2114 71.3 1.3 25.5
2024 07 26 12 59 21.2 +00 40 44 43.5422 43.2114 70.4 1.3 25.5
...
2024 08 01 12 59 36.3 +00 38 44 43.6345 43.2110 64.7 1.2 25.5
...
2024 08 09 13 00 00.7 +00 35 42 43.7507 43.2106 57.2 1.1 25.5
...
2024 08 24 13 00 58.1 +00 29 03 43.9406 43.2097 43.2 0.9 25.4
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-O51
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