[Iaude] MPEC J141: 2017 EN51 [a=45.61,e=0.17,i=17.7,H=9.99]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Wed May 8 05:52:59 EDT 2024
M.P.E.C. 2024-J141 Issued 2024 May 8, 09:51 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 EN51
Additional Observations:
K17E51N 4C2018 01 17.46122 10 09 22.36 +01 05 17.4 26.0 i1EJ141T09
K17E51N 4C2018 01 17.49135 10 09 22.23 +01 05 17.9 25.6 i1EJ141T09
K17E51N 4C2018 01 17.51296 10 09 22.16 +01 05 18.4 25.7 i1EJ141T09
K17E51N 4C2018 01 17.51830 10 09 22.13 +01 05 18.6 25.9 i1EJ141T09
K17E51N 4C2018 01 17.59901 10 09 21.81 +01 05 19.9 25.9 i1EJ141T09
K17E51N 1C2019 02 04.44849410 14 49.64 +01 01 13.2 WEJ141T09
K17E51N 1C2019 02 05.42536610 14 45.09 +01 01 39.3 WEJ141T09
K17E51N 1C2019 04 05.33449510 10 22.11 +01 34 16.6 WEJ141T09
K17E51N 1C2019 04 05.35891810 10 22.02 +01 34 17.8 WEJ141T09
K17E51N 1C2019 04 05.36956410 10 21.99 +01 34 18.1 WEJ141T09
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 H. Fukuyama, S. Deen. 8.2-m
f/2.0 reflector + CCD(HSC), 8.3-m Subaru Telescope + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
180117 T09 6.4+ 2.8+ 190405 T09 11.7+ 6.6+ MPO810822 +1046 days
Orbital elements:
2017 EN51
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Alexandersen
M 353.47329 (2000.0) P Q
n 0.00319923 Peri. 346.98476 -0.98806322 -0.15222667
a 45.6148028 Node 184.46648 +0.15385332 -0.98286172
e 0.1720726 Incl. 17.65966 -0.00776141 -0.10397052
P 308 H 9.99 G 0.15 U 5
Residuals in seconds of arc
170121 T09 0.2+ 0.2+ 170223 T09 0.1- 0.1+ 170322 T09 0.3- 0.4+
170121 T09 0.0 0.1+ 170223 T09 0.1- 0.3- 170322 T09 0.2+ 0.0
170121 T09 0.0 0.1- 170304 T09 0.0 0.1- 170322 T09 0.1+ 0.6+
170123 T09 0.3- 0.2- 170304 T09 0.3+ 0.3- 170322 T09 0.2+ 0.1-
170123 T09 0.1+ 0.0 170304 T09 0.0 0.2- 170325 T09 0.6- 0.3+
170123 T09 0.1+ 0.1- 170304 T09 0.2+ 0.0 170325 T09 0.3- 0.4-
170123 T09 0.1+ 0.1- 170304 T09 0.1- 0.0 170325 T09 0.2+ 0.4+
170123 T09 0.0 0.0 170304 T09 0.2+ 0.1+ 180117 T09 0.0 0.1-
170123 T09 0.2- 0.1- 170304 T09 0.4+ 0.2- 180117 T09 0.2- 0.1-
170223 T09 0.0 0.2+ 170304 T09 0.3+ 0.5- 180117 T09 0.1+ 0.0
170223 T09 0.1- 0.4- 170306 T09 0.1+ 0.1- 180117 T09 0.1- 0.2+
170223 T09 0.0 0.6+ 170306 T09 0.1- 0.1+ 180117 T09 0.0 0.1+
170223 T09 0.1- 0.3+ 170306 T09 0.2- 0.1- 190204 T09 0.2- 0.4-
170223 T09 0.2- 0.1+ 170322 T09 0.3+ 0.6- 190205 T09 0.0 0.1+
170223 T09 0.1+ 0.1- 170322 T09 0.0 0.1- 190405 T09 0.1+ 0.2-
170223 T09 0.2+ 0.3+ 170322 T09 0.3+ 0.2+ 190405 T09 0.0 0.2+
170223 T09 0.0 0.3- 170322 T09 0.1- 0.1- 190405 T09 0.1+ 0.1+
Ephemeris:
2017 EN51 a,e,i = 45.61, 0.17, 18 q = 37.7657
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 04 08 10 43 56.7 +00 43 56 37.0316 37.8393 143.3 0.9 25.9
...
2024 04 23 10 43 11.6 +00 51 52 37.2023 37.8382 128.6 1.2 25.9
...
2024 05 01 10 42 54.9 +00 55 32 37.3111 37.8376 120.8 1.3 25.9
...
2024 05 07 10 42 46.1 +00 57 58 37.3992 37.8372 115.0 1.4 25.9
2024 05 08 10 42 44.9 +00 58 21 37.4143 37.8371 114.1 1.4 25.9
2024 05 09 10 42 43.9 +00 58 43 37.4296 37.8370 113.1 1.4 25.9
...
2024 05 15 10 42 39.5 +01 00 45 37.5234 37.8366 107.3 1.5 25.9
...
2024 05 23 10 42 39.1 +01 02 58 37.6530 37.8361 99.7 1.5 26.0
...
2024 06 07 10 42 54.9 +01 05 27 37.9026 37.8350 85.4 1.5 26.0
M. P. C. Staff (C) Copyright 2024 MPC M.P.E.C. 2024-J141
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