52381 (1993 HA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1440802940 ± 1.48e-08
Semi-major axis (a)1.2782209640 AU ± 5.23e-10
Inclination (i)7.72584148° ± 1.54e-06
Long. of Asc. Node (Ω)183.24341837° ± 1.02e-05
Arg. of Perihelion (ω)263.89208560° ± 1.14e-05
Mean Anomaly (M)312.06274647° ± 4.80e-06
Mean Motion (n)0.6820298334°/day ± 4.18e-10
Perihelion dist (q)1.09405451 AU ± 1.89e-08
Aphelion dist (Q)1.46238742 AU ± 1.89e-08
Orbital Period1.44513661 yr ± 8.86e-10
Physical Parameters
H (abs. magnitude)20.05
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.269″
Uncertainty0
Orbit TypeAmor
MOID0.167428 AU
Observations Used423
Oppositions10
Arc Total1993-2025
First Observation Used1993-04-17
Last Observation Used2025-09-19
Observations (449)
Date Type RA Dec Mag Band Observatory
2002-09-28 10:28:52 C 04 20 02.64 +13 47 35.2 c 696
2002-09-28 10:34:35 C 04 20 03.19 +13 47 32.2 c 696
2002-09-28 10:41:28 C 04 20 04.22 +13 47 23.4 c 696
2002-10-21 10:00:28 C 05 28 16.66 +02 17 42.7 c 649
2002-10-21 10:06:03 C 05 28 17.25 +02 17 34.2 c 649
2002-10-21 10:11:40 C 05 28 17.83 +02 17 24.7 c 649
2002-10-30 10:00:41 C 05 52 03.49 -03 45 51.5 19.0 c 704
2002-10-30 10:25:09 C 05 52 05.83 -03 46 34.6 19.4 c 704
2002-10-30 10:50:02 C 05 52 08.20 -03 47 18.3 18.8 c 704
2002-10-30 11:14:45 C 05 52 10.52 -03 48 01.2 18.6 c 704
2002-10-30 11:39:40 C 05 52 12.91 -03 48 45.0 19.1 c 704
2002-10-31 09:38:39 C 05 54 30.45 -04 27 28.7 19.0 c 704
2002-10-31 10:02:23 C 05 54 32.74 -04 28 10.1 18.7 c 704
2002-10-31 10:25:43 C 05 54 34.95 -04 28 52.8 19.2 c 704
2002-10-31 11:11:44 C 05 54 39.22 -04 30 13.6 19.2 c 704
2002-12-02 12:14:10 C 06 52 42.67 -25 12 20.1 c 474
2002-12-02 12:19:09 C 06 52 42.51 -25 12 34.0 c 474
2002-12-11 14:53:51 C 07 00 38.04 -28 54 39.3 m 428
2003-01-31 05:51:49 C 07 13 49.20 -18 58 35.8 c 670
2003-01-31 05:54:45 C 07 13 49.26 -18 58 31.3 c 670
2003-02-19 20:31:00 C 07 34 39.81 -04 43 31.2 c 246
2003-02-19 20:35:17 C 07 34 40.06 -04 43 22.6 c 246
2003-02-19 20:36:42 C 07 34 40.10 -04 43 20.4 c 246
2003-02-19 20:37:39 C 07 34 40.17 -04 43 19.1 c 246
2003-02-19 20:38:30 C 07 34 40.21 -04 43 17.8 c 246
2003-02-19 20:39:33 C 07 34 40.28 -04 43 16.2 c 246
2003-02-23 18:37:46 C 07 40 45.03 -02 00 46.4 c 246
2003-02-23 18:38:38 C 07 40 45.09 -02 00 46.1 c 246
2003-02-23 18:42:10 C 07 40 45.25 -02 00 39.1 c 246
2003-02-23 18:43:10 C 07 40 45.31 -02 00 37.8 c 246
2003-02-23 18:44:09 C 07 40 45.38 -02 00 36.9 c 246
2003-02-23 18:45:00 C 07 40 45.45 -02 00 36.1 c 246
2003-02-23 18:45:45 C 07 40 45.49 -02 00 33.3 c 246
2006-04-21 07:03:05 C 14 59 10.28 -01 56 34.5 r 703
2006-04-21 07:17:06 C 14 59 09.45 -01 56 21.8 r 703
2006-04-21 07:31:31 C 14 59 08.41 -01 56 07.5 r 703
2006-04-21 07:45:29 C 14 59 07.44 -01 55 53.8 r 703
2006-05-01 06:43:24 C 14 43 17.54 +01 31 22.1 r 703
2006-05-01 06:54:06 C 14 43 16.75 +01 31 31.0 r 703
2006-05-01 07:04:50 C 14 43 16.06 +01 31 38.4 r 703
2006-05-01 07:15:34 C 14 43 15.20 +01 31 46.6 r 703
2006-05-01 23:39:50 C 14 42 09.53 +01 43 53.6 c A50
2006-06-01 04:09:06 C 14 11 06.70 +05 18 06.2 c 691
2006-06-01 04:35:30 C 14 11 06.25 +05 18 03.4 c 691
2006-06-01 05:01:53 C 14 11 05.84 +05 18 00.8 c 691
2009-06-19 04:53:55 C 17 50 28.74 +00 53 03.8 o H55
2009-06-19 04:56:45 C 17 50 28.51 +00 53 04.1 o H55
2009-06-19 05:00:26 C 17 50 28.22 +00 53 04.6 o H55
2012-07-19 00:06:51 C 21 24 02.85 +06 42 14.7 t 204
2012-07-19 00:27:10 C 21 24 02.01 +06 42 14.7 t 204