[Iaude] MPEC D107: 2021 LO5 [a=2.14,e=0.42,i=7.5,H=20.72]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Thu Feb 22 09:10:59 EST 2024
M.P.E.C. 2024-D107 Issued 2024 February 22, 14:09 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 LO5
Revision to MPEC 2021-L140
Additional Observations:
K21L05O C2024 02 14.61525013 05 20.564+06 01 03.63 22.17GVED107F52
K21L05O C2024 02 15.51215813 06 02.607+06 06 43.42 21.33GVED107F51
K21L05O KC2024 02 16.50174 13 06 46.83 +06 13 13.8 23.6 RVED107291
K21L05O KC2024 02 16.51616 13 06 47.50 +06 13 19.4 VED107291
K21L05O KC2024 02 16.53060 13 06 48.11 +06 13 26.1 22.4 RVED107291
K21L05O C2024 02 18.57537313 08 15.832+06 27 54.58 22.62GVED107F52
K21L05O C2024 02 18.59768613 08 16.676+06 28 04.53 23.16GVED107F52
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
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, reference and Delta-T
240214 F52 48.2+ 19.6+ 240218 F52 51.5+ 20.6+ E2023-Y91 +0.05 days
Orbital elements:
2021 LO5 Earth MOID = 0.2372 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 330.14036 (2000.0) P Q
n 0.31453619 Peri. 150.18257 -0.17847422 +0.97615156
a 2.1413565 Node 109.30111 -0.92667370 -0.12452639
e 0.4192323 Incl. 7.52465 -0.33079119 -0.17782384
P 3.13 H 20.72 G 0.15 U 1
Residuals in seconds of arc
210513 F51 0.1- 0.1+ 210612 I52 0.3- 0.2- 210802 F51 0.0 0.1+
210513 F51 0.1+ 0.0 210612 I52 0.2- 0.0 210802 F51 0.0 0.0
210513 F51 0.1- 0.1+ 210613 I52 (1.5+ 0.3+) 210802 F51 0.0 0.1-
210611 G96 0.0 0.5- 210613 H21 0.0 0.5+ 210809 F51 0.0 0.2+
210611 G96 0.2+ 0.6- 210613 I52 (1.4+ 0.8-) 210809 F51 0.0 0.1+
210611 G96 0.2+ 0.8- 210613 H21 0.3- 0.5+ 210809 F51 0.1+ 0.1+
210611 V06 0.3+ 0.3+ 210613 I52 0.2+ 1.0- 210816 F51 0.0 0.1-
210611 V06 0.1+ 0.1- 210613 I52 (0.3+ 2.1-) 210816 F51 0.0 0.0
210611 V06 0.0 0.1- 210616 I52 0.2- 0.1- 210816 F51 0.1- 0.0
210611 V06 0.4+ 0.0 210616 I52 0.2+ 0.3+ 240214 F52 0.0 0.2+
210612 J04 0.0 0.4+ 210616 I52 0.4- 0.0 240215 F51 0.0 0.2-
210612 J04 0.0 0.3- 210616 I52 0.1+ 0.0 240216 291 0.3- 0.2-
210612 J04 0.1- 0.0 210703 F51 0.2- 0.1- 240216 291 0.8+ 0.4-
210612 I52 0.2+ 0.3+ 210703 F51 0.0 0.1- 240216 291 1.0+ 0.5+
210612 H21 0.2+ 0.4- 210703 F51 0.0 0.2- 240218 F52 0.0 0.3+
210612 H21 0.0 0.5- 210703 F51 0.0 0.2+ 240218 F52 0.2+ 0.4+
210612 H21 0.5+ 0.3- 210802 F51 0.0 0.0
Ephemeris:
2021 LO5 a,e,i = 2.14, 0.42, 8 q = 1.2436
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 01 23 12 42 29.2 +04 51 10 1.2733 1.8997 114.0 28.3 23.9
...
2024 02 07 12 58 42.8 +05 22 23 1.0619 1.8189 125.2 26.3 23.3
...
2024 02 15 13 05 38.7 +06 03 30 0.9593 1.7755 131.6 24.6 23.0
...
2024 02 21 13 09 51.3 +06 46 42 0.8878 1.7429 136.4 23.0 22.8
2024 02 22 13 10 27.9 +06 54 58 0.8764 1.7375 137.2 22.7 22.7
2024 02 23 13 11 02.9 +07 03 32 0.8651 1.7321 138.1 22.4 22.7
...
2024 02 29 13 13 56.1 +08 01 23 0.8004 1.6996 143.0 20.5 22.4
...
2024 03 08 13 15 59.5 +09 35 11 0.7229 1.6565 149.5 17.7 22.0
...
2024 03 23 13 13 44.9 +13 09 21 0.6066 1.5771 158.6 13.3 21.4
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-D107
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