[Iaude] MPEC F119: 2021 FD1 [a=2.08,e=0.53,i=3.2,H=26.57]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Sun Mar 31 14:27:55 EDT 2024
M.P.E.C. 2024-F119 Issued 2024 March 31, 18:26 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
2021 FD1
Revision to MPEC 2021-F54
Additional Observations:
K21F01D C2024 03 27.37249910 29 15.585+32 28 37.11 21.31GVEF119F51
K21F01D C2024 03 27.39272110 29 16.430+32 29 40.68 21.12GVEF119F51
K21F01D C2024 03 27.40266610 29 16.830+32 30 10.79 21.82GVEF119F51
K21F01D C2024 03 28.35196410 31 54.014+33 27 53.69 21.31GVEF119F51
K21F01D C2024 03 28.36173310 31 54.739+33 28 33.67 20.64GVEF119F51
K21F01D C2024 03 28.37143610 31 55.438+33 29 12.90 20.79GVEF119F51
K21F01D C2024 03 28.38098710 31 56.177+33 29 50.84 21.41GVEF119F51
K21F01D C2024 03 30.39124010 41 01.103+36 35 22.30 20.25iXEF119F51
K21F01D C2024 03 30.39783410 41 02.649+36 36 09.96 20.16iXEF119F52
K21F01D C2024 03 30.40110910 41 03.421+36 36 33.34 19.92iXEF119F51
K21F01D C2024 03 30.40638710 41 04.685+36 37 11.22 20.03iXEF119F52
K21F01D C2024 03 30.41094410 41 05.819+36 37 44.29 20.44iXEF119F51
K21F01D C2024 03 30.41494010 41 06.795+36 38 12.76 20.27iXEF119F52
K21F01D C2024 03 30.42074510 41 08.216+36 38 54.14 20.18iXEF119F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, 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 zero decimals in degrees), reference and Delta-T
240327 F51 25+ 1+ 240330 F51 29+ 5+ MPO606254 +2.69 days
Orbital elements:
2021 FD1 Earth MOID = 0.0056 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 352.56953 (2000.0) P Q
n 0.32781860 Peri. 196.55490 -0.79229857 +0.60981233
a 2.0831170 Node 21.05886 -0.55335709 -0.70452443
e 0.5327762 Incl. 3.15817 -0.25701927 -0.36300723
P 3.01 H 26.57 G 0.15 U 1
Residuals in seconds of arc
210318 G96 0.3- 0.1- 210320 033 0.1+ 0.1- 240330 F51 0.1+ 0.0
210318 G96 0.1- 0.2+ 210320 033 0.1- 0.3+ 240330 F52 0.1- 0.0
210318 G96 0.2- 0.2- 240327 F51 0.0 0.1- 240330 F51 0.2- 0.2-
210318 I52 0.3- 0.1+ 240327 F51 0.1+ 0.0 240330 F52 0.3- 0.3-
210318 I52 0.4+ 0.0 240327 F51 0.2- 0.5- 240330 F51 0.1+ 0.2+
210319 I52 0.1+ 0.5+ 240328 F51 0.1+ 0.1+ 240330 F52 0.1+ 0.1+
210319 I52 0.1- 0.1- 240328 F51 0.1+ 0.2+ 240330 F51 0.0 0.1+
210319 I52 0.3+ 0.1+ 240328 F51 0.1- 0.3+
210320 033 0.2+ 0.3- 240328 F51 0.1+ 0.0
Ephemeris:
2021 FD1 a,e,i = 2.08, 0.53, 3 q = 0.9733
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 03 01 10 25 31.3 +24 20 40 0.1859 1.1694 162.4 14.8 24.1
...
2024 03 16 10 21 40.8 +27 31 13 0.1008 1.0812 147.6 29.5 23.0
...
2024 03 24 10 24 15.6 +30 14 02 0.05918 1.0424 139.1 38.7 22.1
...
2024 03 30 10 38 44.4 +35 48 21 0.02881 1.0182 132.0 46.8 20.7
2024 03 31 10 45 41.7 +37 58 32 0.02385 1.0146 130.5 48.5 20.3
2024 04 01 10 57 09.9 +41 11 51 0.01896 1.0111 128.4 50.8 19.9
...
2024 04 07 21 22 16.4 -03 20 20 0.01392 0.9933 56.2 123.1 22.4
...
2024 04 15 21 59 15.2 -20 20 52 0.05350 0.9781 60.6 116.6 24.8
...
2024 04 30 22 13 55.1 -22 58 20 0.1279 0.9776 73.0 99.8 25.7
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-F119
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