219021 (1991 LH)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7332842023 ± 4.07e-08
Semi-major axis (a)1.3566152911 AU ± 3.85e-09
Inclination (i)53.13305852° ± 8.87e-06
Long. of Asc. Node (Ω)281.03094178° ± 5.96e-06
Arg. of Perihelion (ω)203.81236497° ± 7.75e-06
Mean Anomaly (M)35.68876427° ± 1.21e-05
Mean Motion (n)0.6237739219°/day ± 2.66e-09
Perihelion dist (q)0.36183073 AU ± 5.52e-08
Aphelion dist (Q)2.35139985 AU ± 5.56e-08
Orbital Period1.58010178 yr ± 6.73e-09
Physical Parameters
H (abs. magnitude)16.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.296″
Uncertainty0
Orbit TypeApollo
MOID0.428455 AU
Observations Used223
Oppositions12
Arc Total1991-2024
First Observation Used1991-06-14
Last Observation Used2024-06-20
Observations (245)
Date Type RA Dec Mag Band Observatory
1991-06-14 09:01:52 A 20 14 45.73 -10 38 28.9 D 691
1991-06-14 09:35:21 A 20 14 42.68 -10 38 11.8 D 691
1991-06-14 10:19:49 A 20 14 38.42 -10 37 51.1 D 691
1991-06-15 10:33:24 A 20 12 22.84 -10 26 35.9 D 691
1991-06-15 10:43:39 A 20 12 21.91 -10 26 31.6 D 691
1991-06-15 11:06:29 A 20 12 19.79 -10 26 21.1 D 691
1991-06-15 11:15:05 A 20 12 18.90 -10 26 17.1 D 691
1991-06-16 10:39:41 C 20 10 05.30 -10 15 29.2 a 691
1991-06-16 10:50:45 C 20 10 04.21 -10 15 23.7 a 691
1991-06-16 11:14:21 C 20 10 01.87 -10 15 13.0 a 691
1991-06-18 10:52:18 C 20 05 22.84 -09 53 20.7 a 691
1991-06-18 10:58:55 C 20 05 22.18 -09 53 18.4 a 691
1991-06-18 11:05:41 C 20 05 21.49 -09 53 14.7 a 691
1991-06-20 08:42:25 A 20 00 46.16 -09 32 31.6 D 691
1991-06-20 08:49:18 A 20 00 45.48 -09 32 29.1 D 691
1991-06-20 08:57:10 A 20 00 44.66 -09 32 25.2 D 691
1991-06-20 09:16:00 A 20 00 42.70 -09 32 16.9 D 691
1991-06-21 08:16:39 C 19 58 20.84 -09 21 55.2 a 691
1991-06-21 08:23:15 C 19 58 20.15 -09 21 52.3 a 691
1991-06-21 08:31:45 C 19 58 19.23 -09 21 48.3 a 691
1991-06-21 08:52:42 A 19 58 17.06 -09 21 39.5 D 691
1991-06-21 08:59:28 A 19 58 16.34 -09 21 36.6 D 691
2002-05-18 11:05:55 C 21 01 36.02 -21 06 56.2 20.9 c 644
2002-05-18 11:21:00 C 21 01 35.28 -21 06 49.8 20.4 c 644
2002-05-18 11:36:03 C 21 01 34.51 -21 06 43.5 20.6 c 644
2002-05-19 10:14:19 C 21 00 27.29 -20 57 19.4 c 644
2002-05-19 10:35:10 C 21 00 26.24 -20 57 11.6 c 644
2002-05-19 10:54:07 C 21 00 25.25 -20 57 02.6 c 644
2002-05-24 09:48:22 C 20 53 40.80 -20 07 45.0 c 644
2002-05-24 09:59:07 C 20 53 40.10 -20 07 41.0 c 644
2002-05-24 11:02:53 C 20 53 36.04 -20 07 14.5 c 644
2002-05-24 11:18:23 C 20 53 35.01 -20 07 07.7 c 644
2002-06-11 11:05:21 C 20 16 44.75 -17 02 12.9 c 644
2002-06-11 11:20:37 C 20 16 43.11 -17 02 05.8 c 644
2002-06-16 08:47:08 C 20 03 36.35 -16 08 47.9 19.6 c 644
2002-06-16 09:01:28 C 20 03 34.69 -16 08 41.1 19.4 c 644
2002-06-16 09:16:31 C 20 03 32.91 -16 08 34.3 19.5 c 644
2002-06-17 00:03:29 C 20 01 49.49 -16 01 46.9 c 599
2002-06-17 00:31:59 C 20 01 46.14 -16 01 33.5 c 599
2002-06-17 00:45:30 C 20 01 44.48 -16 01 27.7 c 599
2002-06-17 09:10:43 C 20 00 45.13 -15 57 33.6 19.6 c 644
2002-06-17 09:38:53 C 20 00 41.75 -15 57 20.4 19.5 c 644
2002-06-17 09:53:44 C 20 00 39.99 -15 57 13.8 19.5 c 644
2002-06-17 23:16:47 C 19 59 05.32 -15 51 02.7 d 599
2002-06-17 23:32:54 C 19 59 03.35 -15 50 55.4 d 599
2004-07-31 01:42:15 C 19 23 03.76 +22 35 04.4 o 950
2004-07-31 01:43:05 C 19 23 03.70 +22 35 05.2 o 950
2005-06-08 15:41:03 C 20 45 59.95 -47 21 21.6 r E12
2005-06-08 15:58:18 C 20 45 54.53 -47 21 17.9 r E12
2005-06-08 16:15:35 C 20 45 49.11 -47 21 14.6 r E12