MPEC 2021-L153 : 2021 LH6
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M.P.E.C. 2021-L153 Issued 2021 June 14, 08:15 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 LH6
Observations:
K21L06H* C2021 06 12.30169216 51 12.91 +27 04 23.8 21.52GVEL153V00
K21L06H C2021 06 12.30658716 51 10.95 +27 05 03.2 21.66GVEL153V00
K21L06H C2021 06 12.31146816 51 09.00 +27 05 42.5 VEL153V00
K21L06H C2021 06 12.31635316 51 07.05 +27 06 21.7 21.75GVEL153V00
K21L06H KC2021 06 12.36989 16 50 45.56 +27 13 31.5 oEL153291
K21L06H KC2021 06 12.38518 16 50 39.43 +27 15 35.4 20.9 RoEL153291
K21L06H KC2021 06 12.40053 16 50 33.25 +27 17 39.0 21.0 RoEL153291
K21L06H mC2021 06 13.27180116 44 34.71 +29 20 06.1 VEL153G96
K21L06H mC2021 06 13.27232316 44 34.59 +29 20 09.9 VEL153G96
K21L06H mC2021 06 13.27284516 44 34.30 +29 20 14.9 VEL153G96
K21L06H KC2021 06 14.20188116 37 14.92 +31 41 01.4 uEL153H21
K21L06H KC2021 06 14.20747716 37 11.99 +31 41 54.5 21.4 VuEL153H21
K21L06H KC2021 06 14.21307616 37 09.03 +31 42 47.5 21.5 VuEL153H21
K21L06H KC2021 06 14.22632916 37 03.24 +31 44 57.3 20.70GVEL153I52
K21L06H KC2021 06 14.22969316 37 01.47 +31 45 29.2 21.30GVEL153I52
K21L06H KC2021 06 14.23305316 36 59.67 +31 46 01.5 20.99GVEL153I52
K21L06H KC2021 06 14.23641416 36 57.89 +31 46 33.5 19.89GVEL153I52
Observer details:
291 LPL/Spacewatch II. Observer A. F. Tubbiolo. 1.8-m f/2.7 reflector + 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. 0.76-m f/3.0 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.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
Wierzchos. 2.25-m reflector + CCD.
Orbital elements:
2021 LH6 Earth MOID = 0.0518 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 295.67158 (2000.0) P Q
n 0.27650375 Peri. 241.06530 +0.97437263 -0.17761885
a 2.3334690 Node 128.81888 +0.21120049 +0.93355457
e 0.8034757 Incl. 10.20357 -0.07741017 +0.31133168
P 3.56 H 22.90 G 0.15 U 9
Residuals in seconds of arc
210612 V00 0.1- 0.0 210612 291 0.1- 0.1- 210614 H21 0.0 0.2+
210612 V00 0.0 0.0 210613 G96 (1.2- 0.6+) 210614 I52 0.0 0.2-
210612 V00 0.0 0.1+ 210613 G96 0.3+ 0.2- 210614 I52 0.1+ 0.3-
210612 V00 0.0 0.1+ 210613 G96 0.3- 0.3+ 210614 I52 0.1- 0.0
210612 291 0.0 1.0- 210614 H21 0.0 0.1+ 210614 I52 0.1- 0.1+
210612 291 0.1+ 0.2- 210614 H21 0.2+ 0.2+
Ephemeris:
2021 LH6 a,e,i = 2.33, 0.80, 10 q = 0.4586
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 15 17 44 10.8 +00 14 46 0.6092 1.5344 141.3 24.3 23.9
...
2021 05 30 17 33 32.5 +08 49 21 0.3768 1.3410 145.4 25.4 22.6
...
2021 06 07 17 15 41.1 +17 31 50 0.2690 1.2320 139.6 32.3 21.9
...
2021 06 13 16 46 32.4 +28 40 52 0.1997 1.1477 127.3 44.7 21.4
2021 06 14 16 38 56.1 +31 09 28 0.1896 1.1334 124.3 47.8 21.4
2021 06 15 16 30 03.3 +33 50 54 0.1801 1.1190 120.9 51.1 21.3
...
2021 06 21 14 43 55.6 +53 26 52 0.1402 1.0317 92.4 79.8 21.5
...
2021 06 29 09 23 00.5 +54 39 56 0.1560 0.9123 44.7 128.4 24.2
...
2021 07 14 07 05 21.4 +27 39 58 0.3363 0.6860 8.6 167.1 34.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L153
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