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
2012-10-09 11:25:49 C 02 52 08.07 -12 28 36.2 r 703
2012-10-09 11:33:14 C 02 52 07.86 -12 28 44.9 r 703
2012-10-17 08:15:46 C 02 48 30.52 -15 57 56.5 r 703
2012-10-17 08:22:12 C 02 48 30.38 -15 58 04.3 r 703
2012-10-17 08:28:44 C 02 48 30.16 -15 58 10.9 r 703
2012-10-17 08:35:12 C 02 48 29.98 -15 58 18.8 r 703
2012-10-21 05:26:32 C 02 45 43.26 -17 48 13.3 19.4 c 704
2012-10-21 05:46:44 C 02 45 42.54 -17 48 38.0 19.5 c 704
2012-10-21 06:06:52 C 02 45 41.80 -17 49 03.7 19.7 c 704
2012-10-21 06:26:56 C 02 45 41.01 -17 49 26.7 19.6 c 704
2012-10-31 10:14:22 c 02 35 10.714 -22 48 43.86 L F51
2012-10-31 10:32:30 c 02 35 09.687 -22 49 06.29 L F51
2012-11-14 13:44:47 C 02 13 46.49 -29 23 00.7 r E12
2012-11-14 14:25:35 C 02 13 43.36 -29 23 43.5 r E12
2012-12-24 00:56:57 C 01 09 39.26 -38 36 02.5 u 807
2012-12-24 01:02:48 C 01 09 38.87 -38 36 03.9 u 807
2012-12-24 01:08:34 C 01 09 38.49 -38 36 05.3 u 807
2012-12-24 01:14:19 C 01 09 38.12 -38 36 06.6 u 807
2013-01-02 12:08:44 C 00 54 38.92 -39 37 31.2 q E12
2013-01-02 12:39:42 C 00 54 36.40 -39 37 37.9 q E12
2013-02-28 02:53:47 C 18 01 23.98 +02 08 49.0 q C73
2013-02-28 02:54:56 C 18 01 23.93 +02 08 52.5 q C73
2013-02-28 02:56:06 C 18 01 23.75 +02 08 55.0 q C73
2013-02-28 02:57:15 C 18 01 23.66 +02 08 57.6 q C73
2013-02-28 02:58:24 C 18 01 23.52 +02 08 59.7 q C73
2013-02-28 02:59:34 C 18 01 23.39 +02 09 02.3 q C73
2013-02-28 03:00:44 C 18 01 23.25 +02 09 04.2 q C73
2013-02-28 03:01:54 C 18 01 23.08 +02 09 06.1 q C73
2013-02-28 03:04:12 C 18 01 22.83 +02 09 10.1 q C73
2013-02-28 03:05:22 C 18 01 22.83 +02 09 12.9 q C73
2013-02-28 03:06:31 C 18 01 22.71 +02 09 15.8 q C73
2013-02-28 03:07:40 C 18 01 22.58 +02 09 18.5 q C73
2013-02-28 03:08:49 C 18 01 22.48 +02 09 20.7 q C73
2013-02-28 03:09:59 C 18 01 22.30 +02 09 23.9 q C73
2013-02-28 03:11:08 C 18 01 22.15 +02 09 26.2 q C73
2013-02-28 03:11:43 C 18 01 22.07 +02 09 25.3 q C73
2013-03-10 02:57:01 C 17 43 08.54 +08 41 48.0 o B67
2013-03-10 03:04:37 C 17 43 08.05 +08 41 57.9 o B67
2013-03-10 03:12:14 C 17 43 07.53 +08 42 08.0 o B67
2013-03-15 10:23:40 C 17 35 40.05 +11 13 30.1 q H45
2013-03-15 10:25:34 C 17 35 39.97 +11 13 31.2 q H45
2013-03-15 10:27:52 C 17 35 39.83 +11 13 34.1 q H45
2013-03-15 10:29:22 C 17 35 39.72 +11 13 35.6 q H45
2013-03-15 10:30:48 C 17 35 39.63 +11 13 37.3 q H45
2013-03-15 10:32:07 C 17 35 39.54 +11 13 38.5 q H45
2013-03-18 10:11:45 C 17 31 34.82 +12 27 25.0 u 703
2013-03-18 10:21:34 C 17 31 34.28 +12 27 35.6 u 703
2013-03-18 10:22:24 C 17 31 34.28 +12 27 35.7 u 703
2013-03-18 10:31:24 C 17 31 33.60 +12 27 45.2 u 703
2013-03-18 10:32:13 C 17 31 33.60 +12 27 46.0 u 703