154555 (2003 HA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5802800458 ± 6.63e-09
Semi-major axis (a)1.1845663341 AU ± 4.99e-10
Inclination (i)36.82274427° ± 3.96e-07
Long. of Asc. Node (Ω)53.47683415° ± 4.81e-07
Arg. of Perihelion (ω)277.13649613° ± 7.76e-07
Mean Anomaly (M)94.60501063° ± 2.58e-06
Mean Motion (n)0.7644924446°/day ± 4.83e-10
Perihelion dist (q)0.49718613 AU ± 7.86e-09
Aphelion dist (Q)1.87194654 AU ± 7.90e-09
Orbital Period1.28925575 yr ± 8.15e-10
Physical Parameters
H (abs. magnitude)16.70
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.018″
Uncertainty0
Orbit TypeApollo
MOID0.116226 AU
Observations Used1458
Gaia Obs Used227
Oppositions3
Arc Total2003-2017
First Observation Used2003-03-07
Last Observation Used2026-01-09
Observations (1603)
Date Type RA Dec Mag Band Observatory
2016-03-19 09:08:24 C 15 57 13.30 +38 30 35.8 q 703
2016-03-19 09:14:10 C 15 57 13.23 +38 30 41.8 q 703
2016-03-19 09:19:55 C 15 57 13.14 +38 30 47.8 q 703
2016-03-20 13:36:49 C 15 56 58.50 +39 00 30.6 L T05
2016-03-20 14:03:21 C 15 56 58.06 +39 01 00.0 L T05
2016-03-20 14:22:41 C 15 56 57.87 +39 01 19.1 L T05
2016-03-20 14:51:49 C 15 56 57.45 +39 01 50.7 L T05
2016-03-21 07:47:34 C 15 56 46.31 +39 19 50.1 R G45
2016-03-21 07:55:11 C 15 56 46.17 +39 19 58.5 R G45
2016-03-21 07:55:24 C 15 56 46.16 +39 19 58.8 R G45
2016-03-21 08:02:11 C 15 56 46.08 +39 20 06.1 R G45
2016-03-21 08:09:42 C 15 56 45.95 +39 20 14.3 R G45
2016-03-21 08:10:55 C 15 56 45.95 +39 20 15.7 R G45
2016-03-21 08:17:42 C 15 56 45.82 +39 20 23.2 R G45
2016-03-22 08:38:28 C 15 56 24.16 +39 46 47.4 q H45
2016-03-22 08:40:26 C 15 56 24.13 +39 46 49.3 q H45
2016-03-22 08:41:48 C 15 56 24.11 +39 46 50.8 q H45
2016-03-22 08:43:23 C 15 56 24.07 +39 46 52.6 q H45
2016-03-22 08:44:53 C 15 56 24.06 +39 46 54.4 q H45
2016-03-22 08:46:30 C 15 56 24.05 +39 46 56.1 q H45
2016-04-03 10:08:57 C 15 43 58.17 +45 35 53.6 q H45
2016-04-03 10:10:34 C 15 43 58.04 +45 35 55.6 q H45
2016-04-03 10:11:56 C 15 43 57.93 +45 35 57.4 q H45
2016-04-03 10:13:06 C 15 43 57.83 +45 35 59.0 q H45
2016-04-03 10:14:19 C 15 43 57.73 +45 36 00.5 q H45
2016-04-03 10:15:30 C 15 43 57.64 +45 36 02.2 q H45
2016-04-04 07:06:11 C 15 42 19.97 +46 03 27.6 R G45
2016-04-04 07:13:44 C 15 42 19.31 +46 03 38.1 R G45
2016-04-04 07:21:25 C 15 42 18.67 +46 03 48.3 R G45
2016-04-04 07:29:00 C 15 42 18.01 +46 03 58.6 R G45
2016-04-04 07:36:26 C 15 42 17.36 +46 04 08.2 R G45
2016-04-04 08:15:33 C 15 42 14.09 +46 05 00.8 q 703
2016-04-04 08:24:19 C 15 42 13.27 +46 05 12.7 q 703
2016-04-04 08:33:05 C 15 42 12.55 +46 05 24.4 q 703
2016-04-04 08:41:50 C 15 42 11.77 +46 05 36.0 q 703
2016-04-05 10:18:23 C 15 39 58.19 +46 39 40.9 q H45
2016-04-05 10:19:33 C 15 39 58.08 +46 39 42.5 q H45
2016-04-05 10:20:54 C 15 39 57.95 +46 39 44.4 q H45
2016-04-05 10:22:14 C 15 39 57.85 +46 39 46.1 q H45
2016-04-05 10:23:29 C 15 39 57.72 +46 39 47.7 q H45
2016-04-05 10:24:50 C 15 39 57.58 +46 39 49.7 q H45
2016-04-07 07:03:05 C 15 35 36.87 +47 40 01.4 R G45
2016-04-07 07:10:32 C 15 35 36.09 +47 40 12.1 R G45
2016-04-07 07:17:58 C 15 35 35.26 +47 40 22.2 R G45
2016-04-07 07:25:38 C 15 35 34.42 +47 40 33.0 R G45
2016-04-07 07:33:09 C 15 35 33.57 +47 40 43.2 R G45
2016-04-08 10:15:10 C 15 32 35.45 +48 17 08.3 q H45
2016-04-08 10:16:29 C 15 32 35.31 +48 17 10.3 q H45
2016-04-08 10:17:42 C 15 32 35.16 +48 17 12.0 q H45
2016-04-08 10:19:22 C 15 32 34.95 +48 17 14.2 q H45