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
2003-05-06 05:08:02 C 11 16 40.62 +51 34 56.8 c 649
2003-05-06 05:13:07 C 11 16 40.10 +51 34 50.1 c 649
2003-05-06 05:17:59 C 11 16 39.65 +51 34 44.0 c 649
2003-05-06 21:03:38 C 11 15 13.40 +51 13 56.1 c 118
2003-05-06 21:07:12 C 11 15 13.01 +51 13 50.6 c 118
2003-05-06 21:13:05 C 11 15 12.43 +51 13 42.8 c 118
2003-05-06 21:17:09 C 11 15 11.93 +51 13 37.2 c 118
2003-05-06 21:19:12 C 11 15 11.79 +51 13 35.6 c 118
2003-05-09 05:00:49 C 11 10 29.07 +49 58 16.9 c 926
2003-05-09 05:06:38 C 11 10 28.71 +49 58 07.4 c 926
2003-05-09 05:11:50 C 11 10 28.34 +49 58 00.6 c 926
2003-05-12 21:10:48 C 11 04 09.98 +47 53 42.6 d 170
2003-05-12 21:13:25 C 11 04 09.80 +47 53 38.8 d 170
2003-05-12 21:16:02 C 11 04 09.59 +47 53 34.8 d 170
2003-05-12 21:18:39 C 11 04 09.41 +47 53 31.1 d 170
2003-05-17 21:45:00 C 10 57 31.24 +44 55 01.2 d 941
2003-05-17 21:46:39 C 10 57 31.17 +44 54 58.7 d 941
2003-05-17 21:51:34 C 10 57 30.95 +44 54 51.6 d 941
2003-05-17 21:56:30 C 10 57 30.71 +44 54 43.9 d 941
2003-05-23 03:54:24 C 10 52 40.47 +41 40 16.6 18.2 c 704
2003-05-23 04:09:41 C 10 52 39.90 +41 39 51.6 18.5 c 704
2003-05-23 04:25:02 C 10 52 39.44 +41 39 28.3 18.3 c 704
2003-05-23 04:40:25 C 10 52 38.87 +41 39 03.5 18.2 c 704
2003-05-23 20:43:26 C 10 52 09.84 +41 13 47.8 d 118
2003-05-23 20:48:07 C 10 52 09.88 +41 13 39.4 d 118
2003-05-23 20:49:32 C 10 52 09.88 +41 13 37.8 d 118
2003-05-23 20:50:59 C 10 52 09.71 +41 13 34.3 d 118
2003-05-25 21:38:21 C 10 50 51.94 +39 56 16.7 d 118
2003-05-25 21:46:59 C 10 50 51.73 +39 56 02.9 d 118
2003-05-25 21:56:14 C 10 50 51.50 +39 55 47.6 d 118
2003-06-20 21:10:09 C 10 48 57.88 +22 36 39.3 c 587
2003-06-20 21:12:46 C 10 48 57.91 +22 36 34.9 c 587
2003-06-20 21:15:21 C 10 48 57.84 +22 36 28.9 c 587
2003-07-20 08:37:27 C 10 50 36.90 +01 02 48.1 c 413
2003-07-20 08:40:08 C 10 50 36.84 +01 02 43.2 c 413
2003-07-20 08:42:48 C 10 50 36.78 +01 02 38.0 c 413
2003-07-20 08:45:27 C 10 50 36.72 +01 02 33.0 c 413
2003-11-02 11:48:34 C 10 54 12.14 +37 41 05.8 o 448
2003-11-02 11:53:16 C 10 54 12.67 +37 41 10.3 o 448
2003-11-02 11:57:52 C 10 54 13.20 +37 41 15.2 o 448
2003-11-03 11:17:11 C 10 57 01.63 +38 03 42.2 o 448
2003-11-03 11:26:02 C 10 57 02.61 +38 03 51.0 o 448
2003-11-03 11:35:52 C 10 57 03.78 +38 04 00.4 o 448
2003-12-28 13:05:33 C 13 14 08.73 +60 57 13.9 c 670
2003-12-28 13:11:40 C 13 14 09.22 +60 57 21.3 c 670
2004-03-01 00:56:54 C 09 04 48.60 +79 55 58.5 c J92
2004-03-01 02:40:04 C 09 04 20.08 +79 54 48.7 c J92
2005-01-16 17:42:44 C 23 16 29.31 +06 04 33.8 c 113
2005-01-16 17:43:48 C 23 16 29.51 +06 04 37.4 c 113
2005-01-16 17:44:53 C 23 16 29.75 +06 04 41.3 c 113