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
2025-03-26 10:56:07 C 15 29 11.023 +45 57 11.81 V T05
2025-03-27 12:06:16 C 15 27 29.268 +46 26 01.50 V T08
2025-03-27 12:09:38 C 15 27 29.054 +46 26 05.24 V T08
2025-03-27 12:13:35 C 15 27 28.762 +46 26 10.14 V T08
2025-03-27 12:25:02 C 15 27 27.934 +46 26 23.42 V T08
2025-03-29 09:05:01 C 15 24 05.842 +47 17 39.23 V T05
2025-03-29 09:11:48 C 15 24 05.278 +47 17 47.51 V T08
2025-03-29 09:20:26 C 15 24 04.536 +47 17 57.30 V T05
2025-03-29 09:31:20 C 15 24 03.665 +47 18 10.40 V T05
2025-03-30 08:18:06 C 15 22 08.446 +47 44 21.98 V T05
2025-03-30 08:26:59 C 15 22 07.694 +47 44 32.03 V T05
2025-03-30 08:35:54 C 15 22 06.893 +47 44 42.79 V T05
2025-03-30 08:42:47 C 15 22 06.314 +47 44 50.64 V T05
2025-03-30 09:28:28 C 15 22 01.412 +47 45 46.15 V G96
2025-03-30 09:36:10 C 15 22 00.703 +47 45 54.97 V G96
2025-03-30 09:44:09 C 15 21 59.947 +47 46 04.33 V G96
2025-03-30 09:53:10 C 15 21 59.130 +47 46 14.66 V G96
2025-03-30 10:22:07 C 15 21 56.401 +47 46 47.96 V 703
2025-03-30 10:25:16 C 15 21 56.142 +47 46 51.35 V 703
2025-03-30 10:28:24 C 15 21 55.854 +47 46 55.02 V 703
2025-03-30 10:31:33 C 15 21 55.732 +47 46 58.22 V 703
2025-03-31 10:41:26 C 15 19 44.011 +48 14 47.72 V T08
2025-03-31 10:55:40 C 15 19 42.602 +48 15 03.60 V T05
2025-03-31 11:08:22 C 15 19 41.321 +48 15 18.72 V T05
2025-03-31 11:08:54 C 15 19 41.263 +48 15 19.73 V T08
2025-04-01 20:13:06 C 15 16 24.072 +48 53 02.72 V G33
2025-04-01 20:16:28 C 15 16 23.748 +48 53 07.04 V G33
2025-04-02 11:41:41 C 15 14 44.604 +49 10 54.88 V T08
2025-04-02 11:49:17 C 15 14 43.738 +49 11 03.44 V T08
2025-04-02 12:36:31 C 15 14 38.345 +49 11 57.26 V T08
2025-04-02 22:18:36 C 15 13 34.459 +49 22 51.92 X M26
2025-04-02 22:24:41 C 15 13 33.794 +49 22 58.37 X M26
2025-04-02 22:30:25 C 15 13 33.166 +49 23 05.14 X M26
2025-04-07 09:07:32 C 14 59 42.875 +51 21 17.06 V 703
2025-04-07 09:10:29 C 14 59 42.320 +51 21 20.84 V 703
2025-04-07 09:13:26 C 14 59 41.863 +51 21 23.98 V 703
2025-04-07 09:16:42 C 14 59 41.377 +51 21 27.07 V 703
2025-04-08 08:32:09 C 14 56 09.056 +51 46 07.14 V 703
2025-04-08 08:35:32 C 14 56 08.459 +51 46 10.42 V 703
2025-04-08 08:42:17 C 14 56 07.170 +51 46 20.06 V 703
2025-04-08 11:09:00 C 14 55 44.544 +51 48 53.64 V T08
2025-04-08 11:12:58 C 14 55 43.843 +51 48 58.00 V T08
2025-04-08 11:19:46 C 14 55 42.734 +51 49 05.45 V T08
2025-04-08 11:42:43 C 14 55 39.017 +51 49 28.88 V T08
2025-04-09 08:47:51 C 14 52 14.214 +52 11 15.65 V 703
2025-04-09 08:51:21 C 14 52 13.660 +52 11 20.15 V 703
2025-04-09 08:54:50 C 14 52 13.120 +52 11 22.78 V 703
2025-04-09 08:58:21 C 14 52 12.428 +52 11 26.81 V 703
2025-04-10 07:17:04 C 14 48 25.204 +52 33 56.41 V 703
2025-04-10 07:20:27 C 14 48 24.617 +52 33 59.62 V 703