MPEC 2021-L22 : 2021 LC
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M.P.E.C. 2021-L22 Issued 2021 June 2, 19:21 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 LC
Observations:
K21L00C C2021 05 31.32797212 37 30.281+21 34 23.98 20.14GVEL022F51
K21L00C C2021 05 31.33083612 37 33.857+21 34 44.49 VEL022F51
K21L00C* C2021 06 01.23327712 58 24.01 +23 18 54.1 20.31GVEL022G96
K21L00C C2021 06 01.23841512 58 30.48 +23 19 25.8 19.81GVEL022G96
K21L00C C2021 06 01.24352912 58 36.87 +23 19 56.7 20.34GVEL022G96
K21L00C C2021 06 01.24864712 58 43.29 +23 20 28.0 19.82GVEL022G96
K21L00C KC2021 06 01.28818912 59 33.46 +23 24 24.5 19.50GVEL022I52
K21L00C KC2021 06 01.28876512 59 34.24 +23 24 27.3 20.06GVEL022I52
K21L00C KC2021 06 01.28933312 59 34.93 +23 24 30.7 19.50GVEL022I52
K21L00C KC2021 06 01.28990212 59 35.68 +23 24 34.3 19.64GVEL022I52
K21L00C KC2021 06 01.86425613 12 48.25 +24 22 25.1 20.1 GVEL022L01
K21L00C KC2021 06 01.86568113 12 49.99 +24 22 33.1 20.1 GVEL022L01
K21L00C IC2021 06 01.86736113 12 52.10 +24 22 42.8 20.0 GVEL022L01
K21L00C IC2021 06 01.86890413 12 54.01 +24 22 51.5 19.7 GVEL022L01
K21L00C pC2021 06 01.87100813 12 56.61 +24 23 03.0 20.2 GVEL022L01
K21L00C KC2021 06 01.94513713 14 34.14 +24 29 26.2 20.2 GVEL022J95
K21L00C KC2021 06 01.95314113 14 44.21 +24 30 08.8 19.7 GVEL022J95
K21L00C KC2021 06 01.95798213 14 50.26 +24 30 34.8 20.4 GVEL022J95
K21L00C KC2021 06 01.97030113 15 17.91 +24 38 53.2 20.6 GXEL022Y00
K21L00C KC2021 06 01.97411513 15 22.40 +24 39 15.0 XEL022Y00
K21L00C KC2021 06 01.97795113 15 26.93 +24 39 36.9 19.4 GXEL022Y00
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer T. A. Pruyne. 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. 1.5-m reflector + 10K 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Y00 SONEAR Observatory, Oliveira. Observers C. Jacques, E. Pimentel, J.
Barros. Measurer C. Jacques. 0.45-m f/2.9 reflector + CCD.
Orbital elements:
2021 LC Earth MOID = 0.0008 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 256.12794 (2000.0) P Q
n 0.80498801 Peri. 327.66853 -0.85392709 +0.51286595
a 1.1444841 Node 243.43249 -0.45401766 -0.81705172
e 0.1287168 Incl. 5.65849 -0.25431572 -0.26342932
P 1.22 H 25.89 G 0.15 U 7
Residuals in seconds of arc
210531 F51 0.1+ 0.1+ 210601 I52 0.4+ 0.5- 210601 L01 0.1- 0.0
210531 F51 0.0 0.1- 210601 I52 0.1- 0.4- 210601 J95 0.1+ 0.2+
210601 G96 0.2- 0.1+ 210601 I52 0.2+ 0.1- 210601 J95 0.3+ 0.2-
210601 G96 0.3+ 0.3+ 210601 L01 0.1+ 0.2- 210601 J95 0.3- 0.2-
210601 G96 0.2- 0.0 210601 L01 0.2- 0.1- 210601 Y00 0.5+ 0.4-
210601 G96 0.3- 0.1+ 210601 L01 0.2+ 0.2+ 210601 Y00 0.0 0.3-
210601 I52 0.1- 0.1+ 210601 L01 0.2+ 0.3+ 210601 Y00 0.5- 0.1-
Ephemeris:
2021 LC a,e,i = 1.14, 0.13, 6 q = 0.9972
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 03 07 36 01.0 -16 26 44 0.06553 0.9984 79.7 96.6 23.4
...
2021 05 18 08 54 39.7 -06 58 43 0.03582 1.0071 82.0 96.0 22.1
...
2021 05 26 10 41 38.6 +08 09 34 0.02469 1.0151 94.2 84.5 20.8
...
2021 06 01 12 53 12.0 +22 54 14 0.02402 1.0224 109.7 69.0 20.3
2021 06 02 13 15 55.0 +24 37 25 0.02474 1.0237 112.0 66.7 20.3
2021 06 03 13 37 45.0 +26 01 25 0.02567 1.0250 114.0 64.7 20.3
...
2021 06 09 15 19 51.2 +29 12 35 0.03446 1.0337 121.7 56.7 20.7
...
2021 06 17 16 30 45.0 +27 43 32 0.05066 1.0466 126.1 51.6 21.4
...
2021 07 02 17 25 30.1 +22 45 49 0.08586 1.0743 130.4 46.1 22.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L22
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