MPEC 2021-L42 : 2021 LP
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M.P.E.C. 2021-L42 Issued 2021 June 4, 00:39 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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
2021 LP
Observations:
K21L00P* C2021 06 02.36504116 35 58.739+01 27 51.59 20.44wUEL042F51
K21L00P C2021 06 02.37678616 36 01.152+01 27 10.38 20.53wUEL042F51
K21L00P C2021 06 02.38856616 36 03.559+01 26 29.12 20.56wUEL042F51
K21L00P C2021 06 02.51835216 36 29.757+01 18 58.07 20.08GVEL042F51
K21L00P C2021 06 02.51899816 36 29.887+01 18 55.86 20.24GVEL042F51
K21L00P KC2021 06 02.93625216 38 08.65 +00 55 08.7 19.9 GVEL042I93
K21L00P KC2021 06 02.94121816 38 08.62 +00 54 52.1 20.4 GVEL042L01
K21L00P KC2021 06 02.94317216 38 09.95 +00 54 46.6 VEL042I93
K21L00P IC2021 06 02.94355916 38 09.09 +00 54 45.3 20.1 GVEL042L01
K21L00P KC2021 06 02.95055416 38 11.36 +00 54 23.1 20.3 GVEL042I93
K21L00P IC2021 06 02.95058516 38 10.42 +00 54 21.7 20.4 GVEL042L01
K21L00P IC2021 06 02.95287416 38 10.85 +00 54 14.2 20.4 GVEL042L01
K21L00P mC2021 06 03.21318416 39 09.05 +00 40 37.2 VEL042I52
K21L00P mC2021 06 03.21395616 39 09.24 +00 40 35.2 VEL042I52
K21L00P mC2021 06 03.21550016 39 09.50 +00 40 30.5 20.48GVEL042I52
K21L00P KC2021 06 03.26480 16 39 17.22 +00 37 48.7 20.6 RqEL042H36
K21L00P KC2021 06 03.27194 16 39 18.51 +00 37 27.1 20.2 RqEL042H36
K21L00P KC2021 06 03.28353 16 39 20.58 +00 36 50.7 21.0 RqEL042H36
K21L00P C2021 06 03.36919 16 39 37.48 +00 32 31.8 20.4 RVEL042U83
K21L00P C2021 06 03.36965 16 39 37.58 +00 32 30.9 20.5 RVEL042U83
K21L00P C2021 06 03.37094 16 39 37.77 +00 32 26.8 20.8 RVEL042U83
K21L00P C2021 06 03.37137 16 39 37.90 +00 32 25.8 20.4 RVEL042U83
K21L00P C2021 06 03.37222 16 39 38.06 +00 32 23.2 20.9 RVEL042U83
K21L00P C2021 06 03.37265 16 39 38.14 +00 32 21.5 20.7 RVEL042U83
K21L00P C2021 06 03.37323 16 39 38.20 +00 32 20.3 21.9 RVEL042U83
K21L00P C2021 06 03.37366 16 39 38.32 +00 32 18.9 20.4 RVEL042U83
K21L00P C2021 06 03.37451 16 39 38.45 +00 32 16.0 20.4 RVEL042U83
K21L00P C2021 06 03.37494 16 39 38.54 +00 32 14.4 20.2 RVEL042U83
K21L00P C2021 06 03.37623 16 39 38.73 +00 32 11.2 22.1 RVEL042U83
K21L00P mC2021 06 03.40482516 39 43.40 +00 30 44.4 20.99GVEL042I52
K21L00P mC2021 06 03.40559916 39 43.55 +00 30 41.8 20.25GVEL042I52
K21L00P mC2021 06 03.40637116 39 43.71 +00 30 39.4 20.38GVEL042I52
K21L00P mC2021 06 03.40714416 39 43.84 +00 30 36.7 20.42GVEL042I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman, K. Chambers, I. Smith. Measurers K. Chambers, S. Chastel, T. de
Boer, L. Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E.
Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien +
CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
U83 Mount Laguna Observatory. Observer J. N. Purdum. 1.02-m f/7.65
Cassegrain reflector + CCD.
Orbital elements:
2021 LP Earth MOID = 0.0158 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 322.44133 (2000.0) P Q
n 0.31886266 Peri. 320.54231 -0.98910069 +0.13322755
a 2.1219425 Node 227.23354 -0.10399244 -0.93351570
e 0.5866563 Incl. 4.89881 -0.10423724 -0.33286463
P 3.09 H 24.50 G 0.15 U 8
Residuals in seconds of arc
210602 F51 0.0 0.0 210602 L01 0.1- 0.0 210603 U83 0.8+ 0.4-
210602 F51 0.0 0.0 210603 I52 0.2- 0.8- 210603 U83 0.9+ 0.8-
210602 F51 0.0 0.0 210603 I52 0.5+ 0.4- 210603 U83 0.2+ 0.2-
210602 F51 0.0 0.1- 210603 I52 0.2+ 0.3- 210603 U83 0.9+ 0.3-
210602 F51 0.0 0.1- 210603 H36 0.0 0.5- 210603 U83 0.6+ 0.5-
210602 I93 0.5+ 0.2- 210603 H36 0.0 0.1+ 210603 U83 0.8+ 0.8-
210602 L01 0.2+ 0.0 210603 H36 0.4- 0.2- 210603 U83 0.2+ 0.1-
210602 I93 0.2- 0.2+ 210603 U83 0.2+ 1.1- 210603 I52 0.5- 0.4+
210602 L01 0.4+ 0.8+ 210603 U83 0.5+ 0.6- 210603 I52 0.4- 0.2+
210602 I93 0.5- 0.6+ 210603 U83 0.1- 0.7- 210603 I52 0.0 0.2+
210602 L01 0.1+ 0.1+ 210603 U83 0.7+ 0.4- 210603 I52 0.2- 0.1-
Ephemeris:
2021 LP a,e,i = 2.12, 0.59, 5 q = 0.8771
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 05 06 04 06.8 +18 08 27 0.1277 0.9257 46.8 127.5 25.3
...
2021 05 20 10 24 50.4 +42 12 53 0.03067 1.0088 83.5 94.8 20.3
...
2021 05 28 15 59 59.4 +09 49 07 0.05924 1.0643 148.4 29.9 19.8
...
2021 06 03 16 38 20.9 +00 52 44 0.1025 1.1093 156.8 21.1 20.8
2021 06 04 16 41 42.7 +00 02 12 0.1101 1.1170 157.5 20.3 21.0
2021 06 05 16 44 38.4 -00 42 34 0.1178 1.1248 158.1 19.6 21.1
...
2021 06 11 16 56 26.9 -03 54 36 0.1657 1.1727 160.2 17.0 21.8
...
2021 06 19 17 04 59.2 -06 31 10 0.2342 1.2387 160.0 16.3 22.7
...
2021 07 04 17 15 17.2 -09 40 07 0.3789 1.3660 153.4 19.5 24.1
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L42
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