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
1999-04-26 17:00:15 C 15 30 03.69 +29 52 01.9 360
1999-04-26 17:03:45 C 15 30 03.36 +29 51 59.0 360
1999-04-26 22:21:31 C 15 29 36.12 +29 47 18.9 d 046
1999-04-26 22:23:33 C 15 29 35.93 +29 47 17.1 d 046
1999-04-26 22:25:53 C 15 29 35.76 +29 47 15.1 d 046
1999-04-28 21:43:12 C 15 25 35.96 +29 05 56.4 b 118
1999-04-28 21:45:31 C 15 25 35.74 +29 05 54.8 b 118
1999-04-28 21:47:58 C 15 25 35.52 +29 05 52.1 b 118
1999-04-29 08:55:18 C 15 24 40.80 +28 56 04.2 658
1999-04-29 09:02:05 C 15 24 40.24 +28 55 58.1 658
1999-04-29 09:06:54 C 15 24 39.86 +28 55 54.0 658
1999-04-29 22:18:09 C 15 23 36.87 +28 44 12.7 b 118
1999-04-29 22:22:30 C 15 23 36.46 +28 44 09.1 b 118
1999-04-30 12:41:48 C 15 22 29.57 +28 31 27.3 z 402
1999-04-30 12:43:37 C 15 22 29.43 +28 31 25.7 z 402
1999-04-30 12:47:14 C 15 22 29.10 +28 31 22.7 z 402
1999-05-05 05:30:13 C 15 14 23.27 +26 49 31.2 658
1999-05-05 05:33:07 C 15 14 23.06 +26 49 28.6 658
1999-05-05 06:06:21 C 15 14 20.79 +26 48 58.7 658
1999-05-07 23:08:55 C 15 10 15.31 +25 49 15.8 d 046
1999-05-07 23:12:07 C 15 10 15.08 +25 49 12.6 d 046
1999-05-07 23:17:45 C 15 10 14.75 +25 49 07.9 d 046
1999-05-07 23:20:16 C 15 10 14.70 +25 49 05.3 d 046
1999-05-12 16:20:00 C 15 04 06.64 +24 04 21.2 360
1999-05-12 16:25:59 C 15 04 06.32 +24 04 14.9 360
1999-05-12 16:32:30 C 15 04 05.96 +24 04 09.0 360
1999-05-14 05:39:08 C 15 02 21.18 +23 29 36.4 19.0 a 704
1999-05-14 06:00:49 C 15 02 20.17 +23 29 14.2 19.8 a 704
1999-05-14 06:22:34 C 15 02 19.16 +23 28 56.3 19.4 a 704
1999-05-14 06:44:40 C 15 02 18.16 +23 28 36.3 19.6 a 704
1999-05-14 07:06:45 C 15 02 16.79 +23 28 15.9 19.5 a 704
1999-05-20 13:35:30 C 14 56 25.23 +21 08 22.7 360
1999-05-20 13:41:59 C 14 56 25.02 +21 08 17.1 360
1999-05-20 13:48:14 C 14 56 24.83 +21 08 11.1 360
1999-06-14 04:56:09 C 14 49 12.60 +12 32 23.1 b 709
1999-06-14 05:14:13 C 14 49 12.66 +12 32 08.9 b 709
1999-06-14 05:20:00 C 14 49 12.74 +12 32 04.7 b 709
1999-06-14 05:25:41 C 14 49 12.73 +12 31 58.8 b 709
1999-06-14 05:31:24 C 14 49 12.77 +12 31 54.3 b 709
1999-06-14 05:37:05 C 14 49 12.83 +12 31 50.9 b 709
1999-06-14 05:42:51 C 14 49 12.71 +12 31 44.9 b 709
2007-09-10 08:48:04 C 23 53 49.65 -11 02 22.1 o 291
2007-09-10 08:57:01 C 23 53 49.25 -11 02 25.7 o 291
2007-09-10 09:04:52 C 23 53 48.88 -11 02 29.6 o 291
2012-09-23 09:18:33 C 02 52 05.83 -06 39 21.7 u 807
2012-09-23 09:24:21 C 02 52 05.89 -06 39 26.5 u 807
2012-09-23 09:30:09 C 02 52 05.95 -06 39 30.6 u 807
2012-09-23 09:35:56 C 02 52 06.02 -06 39 35.1 u 807
2012-10-09 11:11:03 C 02 52 08.36 -12 28 20.4 r 703
2012-10-09 11:18:28 C 02 52 08.25 -12 28 29.8 r 703