MPEC 2023-G38 : 2017 FD157
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M.P.E.C. 2023-G38 Issued 2023 April 7, 14:05 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2017 FD157
Revision to MPEC 2017-G35
Additional Observations:
K17FF7D C2017 04 16.35433710 24 07.070+24 16 38.45 22.01GVEG038F51
K17FF7D C2017 04 16.36658010 24 09.880+24 16 24.97 21.85GVEG038F51
K17FF7D C2017 04 16.37884710 24 12.644+24 16 10.67 21.27GVEG038F51
K17FF7D C2021 06 13.54138221 29 52.046+02 18 04.45 22.82GVEG038F51
K17FF7D C2021 07 07.41788821 43 22.921+08 14 08.54 22.33GVEG038F51
K17FF7D C2021 07 07.42958721 43 22.964+08 14 19.30 22.72GVEG038F51
K17FF7D C2021 07 07.44126821 43 22.997+08 14 29.97 22.57GVEG038F51
K17FF7D C2021 07 07.45296921 43 23.027+08 14 40.81 22.67GVEG038F51
K17FF7D C2022 06 01.48306516 57 08.769-00 16 39.15 23.20GVEG038F52
K17FF7D C2022 06 01.49509916 57 06.913-00 16 34.44 23.32GVEG038F52
K17FF7D C2022 06 01.50714016 57 05.110-00 16 29.75 23.52GVEG038F52
K17FF7D C2022 06 07.36168516 42 57.052+00 12 21.31 22.48GVEG038F52
K17FF7D C2022 06 07.39849116 42 51.569+00 12 28.94 22.55GVEG038F52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170416 F51 0.00+ 0.00+ 220607 F52 0.34+ 0.03+ MPO411587 -0.38 days
Orbital elements:
2017 FD157 Earth MOID = 0.0002 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 29.42639 (2000.0) P Q
n 0.82018782 Peri. 263.86905 +0.22880230 -0.97330618
a 1.1303003 Node 172.82789 +0.94046254 +0.21622704
e 0.3967181 Incl. 8.29706 +0.25135577 +0.07694776
P 1.20 H 22.34 G 0.15 U 2
Residuals in seconds of arc
170331 G96 0.5- 0.6+ 170402 J95 0.0 0.2- 170420 291 0.3+ 0.5+
170331 G96 0.1+ 0.2+ 170402 I93 0.0 0.6+ 170420 291 0.2+ 0.1+
170331 G96 0.1- 0.2+ 170402 I93 1.1- 0.1- 170420 T12 0.0 0.1-
170331 926 0.1- 0.4- 170403 I52 0.2+ 0.2- 170420 T12 0.1+ 0.0
170331 926 0.1- 0.1+ 170403 I52 0.1- 0.1- 170420 T12 0.1+ 0.0
170331 926 0.1- 0.0 170403 I52 0.2- 0.0 170421 291 0.7+ 0.3-
170331 G96 0.2- 0.1- 170403 I52 0.1+ 0.2+ 170421 291 0.6+ 0.0
170331 G96 0.3+ 0.1+ 170403 926 0.2- 0.1+ 170421 291 0.2+ 0.3-
170331 G96 0.8+ 0.7+ 170403 926 0.1- 0.0 170421 T12 0.1- 0.1+
170331 I52 0.0 0.7- 170403 926 0.0 0.2- 170421 T12 0.1- 0.0
170331 I52 0.6- 0.3- 170403 691 1.9+ 0.2+ 170421 T12 0.1- 0.0
170331 I52 0.4- 0.3- 170403 691 2.1+ 0.3- 170422 291 0.3+ 0.0
170331 I52 0.3- 0.2+ 170403 691 1.0+ 0.5- 170422 291 0.3+ 0.0
170331 033 0.3+ 0.2- 170404 I52 0.0 0.4+ 170422 291 0.0 0.4-
170331 033 0.0 0.1+ 170404 I52 0.2- 0.4+ 170422 T12 0.1- 0.0
170331 033 0.2+ 0.1- 170404 I52 0.7- 0.1+ 170423 291 1.3+ 0.0
170331 033 0.2+ 0.1+ 170413 695 0.4+ 0.1- 170423 291 0.9+ 0.1+
170331 033 0.3- 0.1- 170413 695 0.1+ 0.2+ 170423 291 1.2+ 0.2+
170331 033 0.0 0.2+ 170413 695 0.2- 0.3+ 170425 H21 0.1+ 0.5+
170331 033 0.0 0.0 170416 291 0.4+ 0.3- 170425 H21 0.0 0.6+
170401 926 0.2- 0.1- 170416 291 0.5+ 0.4- 170425 H21 0.3- 0.5+
170401 926 0.3- 0.2+ 170416 291 0.3- 0.2- 170425 H21 0.1+ 0.9+
170401 926 0.1+ 0.0 170416 F51 0.0 0.1- 210613 F51 0.2+ 0.1-
170401 291 0.1+ 0.1- 170416 F51 0.2+ 0.2+ 210707 F51 0.0 0.1+
170401 291 0.4+ 0.2- 170416 F51 0.4- 0.2- 210707 F51 0.0 0.0
170401 291 0.4+ 0.3- 170419 H21 0.7- 0.3+ 210707 F51 0.0 0.1-
170401 I52 0.1- 0.2- 170419 H21 0.8- 0.2+ 210707 F51 0.1- 0.1-
170401 I52 0.1+ 0.5- 170419 H21 0.9- 0.4+ 220601 F52 0.4+ 0.1-
170401 I52 0.9- 0.1- 170420 H21 0.1- 0.0 220601 F52 0.2- 0.0
170401 I52 0.0 0.3- 170420 H21 0.0 0.5- 220601 F52 0.1+ 0.1+
170402 J95 0.0 0.2- 170420 H21 0.1- 0.0 220607 F52 0.0 0.2+
170402 J95 0.6+ 0.5+ 170420 291 0.1- 0.4- 220607 F52 0.1- 0.1+
Ephemeris:
2017 FD157 a,e,i = 1.13, 0.40, 8 q = 0.6819
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 08 02 43 43.8 +04 52 31 0.1978 0.8904 53.9 115.7 23.1
...
2023 03 23 05 45 45.0 +23 26 12 0.1546 0.9949 85.0 86.1 21.3
...
2023 03 31 07 37 38.8 +27 53 55 0.1789 1.0499 101.8 68.6 21.1
...
2023 04 06 08 41 04.1 +27 46 55 0.2131 1.0902 109.5 59.9 21.3
2023 04 07 08 49 46.4 +27 36 39 0.2197 1.0968 110.4 58.8 21.4
2023 04 08 08 58 00.2 +27 24 47 0.2265 1.1034 111.2 57.7 21.4
...
2023 04 14 09 38 56.3 +25 53 24 0.2712 1.1422 114.5 53.0 21.7
...
2023 04 22 10 17 37.9 +23 32 35 0.3383 1.1917 115.8 49.4 22.2
...
2023 05 07 11 05 36.1 +19 13 47 0.4785 1.2773 113.5 46.4 23.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-G38
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