2011 LH21

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4152955344 ± 5.88e-08
Semi-major axis (a)1.7924121542 AU ± 7.31e-09
Inclination (i)6.87166325° ± 7.29e-06
Long. of Asc. Node (Ω)273.69002018° ± 5.07e-05
Arg. of Perihelion (ω)37.24264636° ± 5.37e-05
Mean Anomaly (M)0.74392973° ± 1.58e-05
Mean Motion (n)0.4107290833°/day ± 2.51e-09
Perihelion dist (q)1.04803139 AU ± 1.06e-07
Aphelion dist (Q)2.53679292 AU ± 1.06e-07
Orbital Period2.39969927 yr ± 1.47e-08
Physical Parameters
H (abs. magnitude)19.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.230″
Uncertainty0
Orbit TypeAmor
MOID0.061063 AU
Observations Used62
Oppositions7
Arc Total2011-2023
First Observation Used2011-06-12
Last Observation Used2023-12-16
Observations (66)
Date Type RA Dec Mag Band Observatory
2011-06-12 13:29:47 C 00 10 33.874 +05 57 01.19 L F51
2011-06-12 13:37:35 C 00 10 35.158 +05 57 13.64 L F51
2011-06-12 13:45:27 C 00 10 36.430 +05 57 25.87 L F51
2011-06-13 09:13:31 C 00 13 50.60 +06 28 23.1 o 807
2011-06-13 09:39:35 C 00 13 54.87 +06 29 03.8 o 807
2011-06-13 10:49:56 C 00 14 06.75 +06 30 40.1 r G96
2011-06-13 10:54:07 C 00 14 07.51 +06 30 47.0 r G96
2011-06-13 10:58:16 C 00 14 08.23 +06 30 53.2 r G96
2011-06-13 11:02:28 C 00 14 08.88 +06 30 59.5 r G96
2011-06-14 10:46:50 C 00 18 04.78 +07 08 08.5 r G96
2011-06-14 10:48:40 C 00 18 05.07 +07 08 11.0 r G96
2011-06-14 10:50:32 C 00 18 05.40 +07 08 13.5 r G96
2011-06-14 10:52:22 C 00 18 05.68 +07 08 16.4 r G96
2011-06-21 10:36:49 C 00 45 18.53 +11 19 07.9 o 291
2011-06-21 10:42:44 C 00 45 19.39 +11 19 16.1 o 291
2011-06-27 10:39:45 C 01 07 54.27 +14 36 20.9 o 291
2011-06-27 10:45:13 C 01 07 54.98 +14 36 28.4 o 291
2011-08-19 13:41:13 C 03 54 30.812 +31 18 10.48 U T12
2011-08-19 13:43:35 C 03 54 31.038 +31 18 11.33 U T12
2011-08-19 13:45:58 C 03 54 31.281 +31 18 12.25 U T12
2011-08-29 14:36:04 C 04 17 03.073 +32 31 55.83 o 568
2011-08-29 14:38:07 C 04 17 03.238 +32 31 56.39 o 568
2011-11-17 10:05:59 C 04 04 26.52 +30 16 41.1 o 291
2011-11-17 10:09:43 C 04 04 26.18 +30 16 40.0 o 291
2011-11-17 10:13:26 C 04 04 25.92 +30 16 37.6 o 291
2018-03-12 08:53:13 C 13 29 02.84 -23 08 53.6 U 807
2018-03-12 09:04:03 C 13 29 02.59 -23 08 55.3 U 807
2018-03-12 09:15:14 C 13 29 02.35 -23 08 57.3 U 807
2018-03-13 03:03:14 C 13 28 40.30 -23 12 02.1 U 807
2018-03-13 03:21:08 C 13 28 39.87 -23 12 05.4 U 807
2018-03-13 03:38:28 C 13 28 39.46 -23 12 08.5 U 807
2018-11-01 02:04:09 C 20 32 35.21 -05 51 07.7 o 691
2018-11-01 03:03:29 C 20 32 46.64 -05 50 31.1 o 691
2023-04-20 08:13:24 C 20 11 07.32 -25 25 04.9 u 807
2023-04-20 08:21:23 C 20 11 08.83 -25 24 58.1 u 807
2023-04-20 08:29:22 C 20 11 10.33 -25 24 51.5 u 807
2023-06-28 14:07:59 C 01 10 40.505 +15 04 24.51 X F51
2023-06-28 14:14:28 C 01 10 41.462 +15 04 32.94 X F51
2023-06-28 14:20:57 C 01 10 42.459 +15 04 41.38 X F51
2023-06-28 14:27:25 C 01 10 43.438 +15 04 49.98 X F51
2023-10-20 11:20:14 C 04 49 13.715 +33 56 51.22 X F52
2023-10-20 11:35:14 C 04 49 13.013 +33 56 49.46 X F52
2023-10-20 11:50:10 C 04 49 12.307 +33 56 47.40 X F52
2023-10-20 12:05:09 C 04 49 11.600 +33 56 45.36 X F52
2023-11-03 12:06:50 C 04 29 05.687 +32 37 23.20 V G96
2023-11-03 12:14:09 C 04 29 05.114 +32 37 19.78 V G96
2023-11-03 12:21:28 C 04 29 04.535 +32 37 17.80 V G96
2023-11-03 12:28:47 C 04 29 03.998 +32 37 14.99 V G96
2023-11-19 07:52:37 C 03 59 21.321 +29 51 45.22 X F51
2023-11-19 08:13:53 C 03 59 19.622 +29 51 34.48 X F51