357005 (1999 HA2)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7026793255 ± 3.56e-08
Semi-major axis (a)2.7799407880 AU ± 1.52e-08
Inclination (i)15.22171006° ± 7.02e-06
Long. of Asc. Node (Ω)147.18461510° ± 4.48e-05
Arg. of Perihelion (ω)344.48366836° ± 4.28e-05
Mean Anomaly (M)269.01634817° ± 8.46e-06
Mean Motion (n)0.2126468519°/day ± 1.75e-09
Perihelion dist (q)0.82653387 AU ± 9.92e-08
Aphelion dist (Q)4.73334771 AU ± 1.02e-07
Orbital Period4.63503821 yr ± 3.81e-08
Physical Parameters
H (abs. magnitude)17.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.519″
Uncertainty0
Orbit TypeApollo
MOID0.128872 AU
Observations Used264
Oppositions11
Arc Total1999-2013
First Observation Used1999-04-20
Last Observation Used2013-06-18
Observations (266)
Date Type RA Dec Mag Band Observatory
2013-03-18 10:41:18 C 17 31 33.06 +12 27 54.7 u 703
2013-03-18 10:42:09 C 17 31 33.09 +12 27 54.6 u 703
2013-03-18 10:51:16 C 17 31 32.44 +12 28 05.4 u 703
2013-03-18 10:52:06 C 17 31 32.41 +12 28 05.5 u 703
2013-03-19 09:05:05 C 17 30 16.00 +12 49 29.8 q H45
2013-03-19 09:06:40 C 17 30 15.91 +12 49 31.4 q H45
2013-03-19 09:08:29 C 17 30 15.78 +12 49 33.0 q H45
2013-03-19 09:09:57 C 17 30 15.69 +12 49 34.5 q H45
2013-03-19 09:11:27 C 17 30 15.60 +12 49 35.7 q H45
2013-03-19 09:13:04 C 17 30 15.52 +12 49 37.7 q H45
2013-04-14 02:15:01 C 16 46 39.22 +19 05 21.3 c A24
2013-04-14 02:17:06 C 16 46 39.00 +19 05 21.5 c A24
2013-04-14 02:36:16 C 16 46 37.30 +19 05 27.0 c A24
2013-04-14 03:17:14 C 16 46 33.64 +19 05 37.6 c A24
2013-04-14 03:19:18 C 16 46 33.46 +19 05 38.8 c A24
2013-04-14 10:11:45 C 16 45 58.42 +19 07 31.9 u 703
2013-04-14 10:21:30 C 16 45 57.67 +19 07 34.8 u 703
2013-04-14 10:31:22 C 16 45 56.77 +19 07 37.7 u 703
2013-04-14 10:41:13 C 16 45 55.83 +19 07 40.4 u 703
2013-04-15 00:42:06 C 16 44 44.17 +19 11 08.1 c A24
2013-04-15 00:44:10 C 16 44 43.99 +19 11 08.5 c A24
2013-04-15 01:03:03 C 16 44 42.32 +19 11 13.3 c A24
2013-04-15 01:25:13 C 16 44 40.33 +19 11 18.8 c A24
2013-04-15 01:43:24 C 16 44 38.73 +19 11 23.4 c A24
2013-04-15 01:45:28 C 16 44 38.52 +19 11 23.8 c A24
2013-04-25 08:58:05 C 16 22 53.48 +19 35 45.4 u H21
2013-04-25 09:04:47 C 16 22 52.87 +19 35 45.3 u H21
2013-04-25 09:11:28 C 16 22 52.26 +19 35 45.0 u H21
2013-04-25 09:18:22 C 16 22 51.66 +19 35 44.5 u H21
2013-04-29 13:09:26 C 16 14 08.627 +19 25 51.41 L F51
2013-04-29 13:25:30 C 16 14 07.175 +19 25 48.90 L F51
2013-05-01 08:29:10 C 16 10 26.57 +19 18 10.5 q 448
2013-05-01 08:39:32 C 16 10 25.64 +19 18 08.5 q 448
2013-05-01 08:50:21 C 16 10 24.72 +19 18 06.3 q 448
2013-05-03 10:04:46 C 16 06 16.41 +19 07 06.7 u 703
2013-05-03 10:16:13 C 16 06 15.48 +19 07 02.8 u 703
2013-05-03 10:27:37 C 16 06 14.54 +19 07 00.3 u 703
2013-05-03 10:39:00 C 16 06 13.46 +19 06 56.4 u 703
2013-05-05 00:17:38 C 16 03 08.52 +18 56 51.0 t 130
2013-05-05 00:19:47 C 16 03 08.28 +18 56 50.8 t 130
2013-05-05 00:21:56 C 16 03 08.07 +18 56 50.5 t 130
2013-05-05 00:24:06 C 16 03 08.03 +18 56 49.9 t 130
2013-05-13 08:07:47 C 15 48 00.00 +17 42 46.9 N I41
2013-05-13 08:14:00 C 15 47 59.49 +17 42 44.0 u 703
2013-05-13 08:23:47 C 15 47 58.70 +17 42 40.4 u 703
2013-05-13 08:33:36 C 15 47 57.98 +17 42 34.2 u 703
2013-05-13 08:43:28 C 15 47 57.30 +17 42 30.7 u 703
2013-05-13 10:13:41 C 15 47 50.88 +17 41 49.9 N I41
2013-05-13 10:57:12 C 15 47 47.75 +17 41 29.9 N I41
2013-05-18 22:31:37 C 15 39 18.62 +16 36 43.4 q Z81