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
2005-06-08 16:32:51 C 20 45 43.69 -47 21 10.8 r E12
2006-05-28 10:54:16 C 22 40 46.25 +32 51 27.8 d 291
2006-05-28 11:01:07 C 22 40 46.63 +32 51 36.4 d 291
2006-05-28 11:09:16 C 22 40 46.96 +32 51 48.5 d 291
2006-05-30 09:56:24 C 22 43 14.950 +33 55 06.67 n 645
2006-05-30 09:57:36 C 22 43 14.990 +33 55 08.22 n 645
2006-05-30 10:01:11 C 22 43 15.190 +33 55 13.04 n 645
2006-07-18 23:31:18 C 00 14 04.27 +69 34 34.1 o J95
2006-07-18 23:57:54 C 00 14 08.74 +69 35 33.4 o J95
2006-07-19 00:09:38 C 00 14 10.76 +69 35 59.5 o J95
2007-06-14 07:16:43 C 20 34 55.94 +03 40 04.3 21.7 o H55
2007-06-14 07:26:33 C 20 34 55.33 +03 40 09.8 21.7 o H55
2009-09-16 04:16:37 C 17 14 51.28 +48 39 11.8 r 703
2009-09-16 04:23:38 C 17 14 50.78 +48 39 05.9 r 703
2009-09-16 04:30:44 C 17 14 50.06 +48 39 00.5 r 703
2009-09-16 04:37:44 C 17 14 49.38 +48 38 53.5 r 703
2009-09-21 20:16:21 C 17 03 40.23 +46 33 07.6 v 204
2009-09-21 20:25:17 C 17 03 39.55 +46 32 58.9 v 204
2009-09-21 23:05:41 C 17 03 27.73 +46 30 24.8 v 204
2009-09-30 02:18:14 C 16 51 15.04 +43 24 06.2 19.0 c 704
2009-09-30 02:36:06 C 16 51 14.00 +43 23 47.7 19.4 c 704
2009-09-30 02:54:00 C 16 51 13.02 +43 23 29.5 19.7 c 704
2010-06-13 08:23:32 C 20 19 54.66 -07 31 21.7 r G96
2010-06-13 08:32:05 C 20 19 53.94 -07 31 17.5 r G96
2010-06-13 08:40:42 C 20 19 53.22 -07 31 13.5 r G96
2012-10-10 05:09:08 C 18 08 29.794 +21 08 40.23 t 568
2012-10-10 05:11:53 C 18 08 29.826 +21 08 38.96 t 568
2013-04-20 18:14:43 C 21 40 18.69 -31 47 42.3 q E12
2013-06-18 12:26:38 C 19 49 01.023 -23 19 31.40 L F51
2013-06-18 12:45:32 C 19 48 58.092 -23 19 21.41 L F51
2013-06-18 13:04:25 C 19 48 55.157 -23 19 11.40 L F51
2016-05-29 04:45:54 S 01 22 15.00 -59 01 14.9 L C51
2016-05-29 06:20:20 S 01 21 53.81 -59 06 14.8 L C51
2016-05-29 22:03:45 S 01 18 14.10 -59 56 19.9 L C51
2016-05-30 01:12:37 S 01 17 28.20 -60 06 25.5 L C51
2016-05-30 04:21:18 S 01 16 41.66 -60 16 31.8 L C51
2016-05-30 05:55:33 S 01 16 18.23 -60 21 35.2 L C51
2016-05-30 09:04:26 S 01 15 30.61 -60 31 44.0 L C51
2016-05-31 17:18:05 C 01 06 41.46 -62 16 43.1 r Q62
2016-05-31 17:28:23 C 01 06 38.41 -62 17 17.5 r Q62
2016-05-31 17:38:42 C 01 06 35.42 -62 17 51.2 r Q62
2016-06-22 23:28:05 C 17 43 11.61 -66 11 43.3 o K95
2016-06-22 23:40:07 C 17 43 05.79 -66 10 58.0 o K95
2016-06-22 23:50:27 C 17 43 00.72 -66 10 19.0 o K95
2016-06-26 02:44:57 C 17 14 07.55 -61 26 21.2 q Y00
2016-06-26 03:02:17 C 17 14 02.12 -61 25 15.8 q Y00
2016-06-26 03:17:02 C 17 13 57.31 -61 24 19.2 q Y00
2017-07-14 13:54:57 C 22 24 58.884 +58 36 08.10 L F51
2017-07-14 14:04:57 C 22 24 58.396 +58 36 27.15 L F51
2017-07-14 14:15:00 C 22 24 57.902 +58 36 46.40 L F51