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
2013-05-18 23:18:25 C 15 39 15.71 +16 36 19.2 q Z81
2013-05-19 06:11:05 C 15 38 51.28 +16 32 41.5 u 703
2013-05-19 06:18:19 C 15 38 50.96 +16 32 37.6 u 703
2013-05-19 06:25:41 C 15 38 50.38 +16 32 33.6 u 703
2013-05-19 06:33:02 C 15 38 49.92 +16 32 28.6 u 703
2013-05-26 07:23:53 C 15 29 56.88 +14 56 15.9 q 448
2013-05-26 08:55:08 C 15 29 52.50 +14 55 19.7 q 448
2013-05-26 10:44:43 C 15 29 47.45 +14 54 14.1 q 448
2013-06-01 06:18:06 C 15 24 08.31 +13 27 53.3 u G96
2013-06-01 06:25:43 C 15 24 08.02 +13 27 48.6 u G96
2013-06-01 06:33:12 C 15 24 07.74 +13 27 43.8 u G96
2013-06-01 06:40:51 C 15 24 07.45 +13 27 38.9 u G96
2013-06-18 05:24:11 C 15 15 31.06 +09 03 54.0 u G96
2013-06-18 05:36:55 C 15 15 30.88 +09 03 45.9 u G96
2013-06-18 05:49:56 C 15 15 30.78 +09 03 38.5 u G96
2013-06-18 06:02:44 C 15 15 30.60 +09 03 28.8 u G96