MPEC 2021-L140 : 2021 LO5
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M.P.E.C. 2021-L140 Issued 2021 June 13, 15:21 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 LO5
Observations:
K21L05O C2021 05 13.55736520 36 24.991-08 44 24.54 21.84wUEL140F51
K21L05O C2021 05 13.57162020 36 27.789-08 44 22.97 21.76wUEL140F51
K21L05O C2021 05 13.60018220 36 33.352-08 44 19.56 21.63wUEL140F51
K21L05O* C2021 06 11.39393522 00 16.93 -09 03 10.9 21.21GVEL140G96
K21L05O C2021 06 11.39916222 00 17.66 -09 03 12.4 20.99GVEL140G96
K21L05O C2021 06 11.40963722 00 19.08 -09 03 15.4 21.15GVEL140G96
K21L05O mC2021 06 11.43878922 00 23.03 -09 03 22.1 21.21GVEL140V06
K21L05O mC2021 06 11.44039922 00 23.24 -09 03 22.9 21.19GVEL140V06
K21L05O mC2021 06 11.44200922 00 23.45 -09 03 23.3 21.27GVEL140V06
K21L05O mC2021 06 11.44361922 00 23.69 -09 03 23.7 21.61GVEL140V06
K21L05O !C2021 06 12.16101522 02 04.307-09 06 32.14 21.9 GVEL140J04
K21L05O !C2021 06 12.17313922 02 05.919-09 06 36.29 21.1 GVEL140J04
K21L05O !C2021 06 12.18525622 02 07.519-09 06 39.34 21.3 GVEL140J04
K21L05O KC2021 06 12.34686722 02 30.47 -09 07 23.3 21.71GVEL140I52
K21L05O KC2021 06 12.35179722 02 30.78 -09 07 27.7 22.0 VuEL140H21
K21L05O KC2021 06 12.35767922 02 31.55 -09 07 29.5 22.1 VuEL140H21
K21L05O KC2021 06 12.36396522 02 32.42 -09 07 31.1 22.2 VuEL140H21
K21L05O KC2021 06 12.36529322 02 32.91 -09 07 29.1 21.06GVEL140I52
K21L05O KC2021 06 12.36949922 02 33.48 -09 07 30.1 20.66GVEL140I52
K21L05O KC2021 06 13.35258922 04 48.48 -09 12 10.0 VEL140I52
K21L05O KC2021 06 13.35458922 04 48.28 -09 12 12.7 22.1 VuEL140H21
K21L05O KC2021 06 13.35637622 04 48.97 -09 12 12.3 VEL140I52
K21L05O KC2021 06 13.35820622 04 48.73 -09 12 13.8 22.1 VuEL140H21
K21L05O KC2021 06 13.36016322 04 49.39 -09 12 13.7 21.50GVEL140I52
K21L05O KC2021 06 13.36394822 04 49.89 -09 12 15.9 VEL140I52
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. 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.
G96 Mt. Lemmon Survey. Observer D. Rankin. 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. C. Fuls. 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.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers R.
Kresken, M. Micheli, D. Koschny, L. Conversi. 1.0-m f/4.4 reflector +
CCD.
V06 Catalina Sky Survey-Kuiper. 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. 1.55-m reflector +
1K CCD.
Orbital elements:
2021 LO5 Earth MOID = 0.2380 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 313.09607 (2000.0) P Q
n 0.31048918 Peri. 150.32720 -0.17422332 +0.97686692
a 2.1599237 Node 109.40342 -0.92736394 -0.12042529
e 0.4231373 Incl. 7.55468 -0.33112287 -0.17671667
P 3.17 H 20.91 G 0.15 U 8
Residuals in seconds of arc
210513 F51 0.0 0.0 210611 V06 0.2+ 0.2+ 210612 I52 0.2- 0.0
210513 F51 0.1+ 0.1- 210612 J04 0.0 0.5+ 210613 I52 (1.7+ 0.0 )
210513 F51 0.0 0.0 210612 J04 0.0 0.3- 210613 H21 0.2+ 0.1+
210611 G96 0.2- 0.2- 210612 J04 0.1- 0.0 210613 I52 (1.5+ 1.1-)
210611 G96 0.1+ 0.3- 210612 I52 0.2+ 0.3+ 210613 H21 0.2- 0.2+
210611 G96 0.0 0.5- 210612 H21 0.2+ 0.4- 210613 I52 (0.4+ 1.4-)
210611 V06 0.1+ 0.5+ 210612 H21 0.0 0.5- 210613 I52 (0.4+ 2.4-)
210611 V06 0.0 0.1+ 210612 H21 0.5+ 0.4-
210611 V06 0.1- 0.1+ 210612 I52 0.3- 0.2-
Ephemeris:
2021 LO5 a,e,i = 2.16, 0.42, 8 q = 1.2460
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 14 20 37 53.2 -08 43 23 0.5319 1.2463 103.4 52.1 21.9
...
2021 05 29 21 24 55.0 -08 31 20 0.5000 1.2516 106.6 50.9 21.8
...
2021 06 06 21 46 55.4 -08 44 18 0.4870 1.2617 109.2 49.4 21.7
...
2021 06 12 22 01 41.2 -09 05 38 0.4788 1.2725 111.7 47.9 21.6
2021 06 13 22 03 59.4 -09 10 16 0.4775 1.2746 112.1 47.6 21.6
2021 06 14 22 06 14.7 -09 15 13 0.4763 1.2767 112.6 47.3 21.6
...
2021 06 20 22 18 45.6 -09 51 50 0.4696 1.2908 115.7 45.2 21.5
...
2021 06 28 22 32 35.0 -10 59 41 0.4627 1.3134 120.5 41.8 21.5
...
2021 07 13 22 48 40.1 -14 05 24 0.4573 1.3658 132.1 33.5 21.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L140
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