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
1999-04-23 16:34:17 C 15 36 43.75 +30 54 05.6 426
1999-04-23 16:39:33 C 15 36 43.23 +30 54 01.2 426
1999-04-23 16:45:22 C 15 36 42.62 +30 53 56.1 426
1999-04-23 19:50:19 C 15 36 25.95 +30 50 51.6 557
1999-04-23 19:52:40 C 15 36 25.70 +30 50 48.8 557
1999-04-23 20:41:00 C 15 36 21.02 +30 50 10.6 d 046
1999-04-23 20:43:26 C 15 36 20.78 +30 50 08.1 d 046
1999-04-23 20:45:48 C 15 36 20.54 +30 50 06.5 d 046
1999-04-23 20:47:55 C 15 36 20.30 +30 50 04.9 d 046
1999-04-24 05:34:30 C 15 35 28.77 +30 43 05.6 z 860
1999-04-24 05:41:04 C 15 35 28.22 +30 43 01.1 z 860
1999-04-24 05:55:44 C 15 35 26.88 +30 42 47.7 z 860
1999-04-24 08:12:10 C 15 35 14.82 +30 40 30.7 658
1999-04-24 08:17:40 C 15 35 14.25 +30 40 26.3 658
1999-04-24 08:21:46 C 15 35 13.81 +30 40 22.8 658
1999-04-24 17:33:12 C 15 34 21.71 +30 32 39.0 18.2 327
1999-04-24 17:39:06 C 15 34 21.15 +30 32 33.6 327
1999-04-24 17:45:00 C 15 34 20.56 +30 32 28.8 327
1999-04-24 20:41:29 C 15 34 05.04 +30 29 53.2 d 046
1999-04-24 20:43:08 C 15 34 04.86 +30 29 51.7 d 046
1999-04-24 20:43:56 C 15 34 04.78 +30 29 50.8 557
1999-04-24 20:44:43 C 15 34 04.71 +30 29 50.7 d 046
1999-04-24 20:46:27 C 15 34 04.54 +30 29 49.0 557
1999-04-24 20:46:27 C 15 34 04.56 +30 29 49.2 d 046
1999-04-24 20:48:59 C 15 34 04.29 +30 29 46.7 557
1999-04-24 20:50:59 C 15 34 04.27 +30 29 44.5 c 611
1999-04-24 20:57:00 C 15 34 03.57 +30 29 38.5 c 611
1999-04-24 21:04:09 C 15 34 02.95 +30 29 34.1 c 611
1999-04-25 06:08:54 C 15 33 11.07 +30 22 13.1 z 859
1999-04-25 06:15:51 C 15 33 10.44 +30 22 06.7 z 859
1999-04-25 06:21:18 C 15 33 09.88 +30 22 02.1 z 859
1999-04-25 19:58:21 C 15 31 57.21 +30 09 59.7 z 104
1999-04-25 20:03:17 C 15 31 56.85 +30 09 56.8 z 104
1999-04-25 20:07:55 C 15 31 56.22 +30 09 51.9 z 104
1999-04-25 21:44:08 C 15 31 47.32 +30 08 32.1 d 046
1999-04-25 21:45:50 C 15 31 47.16 +30 08 30.1 d 046
1999-04-25 21:47:25 C 15 31 47.06 +30 08 29.6 d 046
1999-04-25 21:51:25 C 15 31 46.67 +30 08 25.5 d 046
1999-04-25 21:53:09 C 15 31 46.41 +30 08 24.2 d 046
1999-04-25 21:54:50 C 15 31 46.31 +30 08 22.7 d 046
1999-04-26 10:40:45 C 15 30 37.10 +29 57 25.7 658
1999-04-26 10:46:04 C 15 30 36.58 +29 57 20.6 658
1999-04-26 11:02:10 C 15 30 35.15 +29 57 06.5 658
1999-04-26 11:33:23 C 15 30 32.20 +29 56 39.0 658
1999-04-26 11:39:08 C 15 30 31.66 +29 56 33.9 658
1999-04-26 11:42:45 C 15 30 31.35 +29 56 30.9 658
1999-04-26 15:51:48 C 15 30 10.00 +29 53 19.3 426
1999-04-26 15:57:53 C 15 30 09.43 +29 53 14.8 426
1999-04-26 16:03:25 C 15 30 08.89 +29 53 09.3 426
1999-04-26 16:56:45 C 15 30 04.00 +29 52 04.8 360