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
2025-05-27 06:39:16 C 09 52 46.994 +32 45 33.95 V T05
2025-05-27 06:59:55 C 09 52 43.140 +32 44 29.98 V T05
2025-05-28 04:25:39 C 09 48 52.927 +31 38 10.03 V 703
2025-05-28 04:28:53 C 09 48 52.283 +31 37 59.88 V 703
2025-05-28 04:32:08 C 09 48 51.775 +31 37 49.80 V 703
2025-05-28 04:35:23 C 09 48 51.188 +31 37 39.86 V 703
2025-05-28 05:53:04 C 09 48 37.728 +31 33 45.72 V T08
2025-05-28 05:57:41 C 09 48 36.902 +31 33 31.57 V T08
2025-05-28 06:09:43 C 09 48 34.687 +31 32 54.06 V T08
2025-05-28 06:24:37 C 09 48 31.992 +31 32 07.12 V T08
2025-06-03 06:08:05 C 09 24 14.434 +23 58 39.11 V T05
2025-06-03 06:13:22 C 09 24 13.553 +23 58 22.48 V T05
2025-06-03 06:21:15 C 09 24 12.230 +23 57 57.53 V T05
2025-06-03 06:36:44 C 09 24 09.648 +23 57 08.32 V T05
2025-06-04 04:00:18 C 09 20 41.104 +22 49 09.88 V 703
2025-06-04 04:06:11 C 09 20 40.074 +22 48 50.18 V 703
2025-06-04 04:09:08 C 09 20 39.653 +22 48 41.76 V 703
2025-06-04 04:10:39 C 09 20 39.224 +22 48 34.85 V 703
2025-06-04 04:13:31 C 09 20 38.728 +22 48 25.85 V 703
2025-06-04 04:19:17 C 09 20 37.792 +22 48 08.71 V 703
2025-06-05 03:47:57 C 09 16 50.448 +21 33 47.63 V 703
2025-06-05 03:53:52 C 09 16 49.364 +21 33 28.69 V 703
2025-06-05 03:56:50 C 09 16 48.875 +21 33 18.61 V 703
2025-06-05 05:56:33 C 09 16 29.717 +21 27 05.65 V T08
2025-06-05 06:00:30 C 09 16 29.057 +21 26 52.94 V T08
2025-06-05 06:01:10 C 09 16 28.932 +21 26 51.40 V T08
2025-06-05 06:11:51 C 09 16 27.223 +21 26 17.52 V T08
2025-06-05 06:25:23 C 09 16 24.912 +21 25 34.64 V T08
2025-06-05 06:26:49 C 09 16 24.686 +21 25 28.99 V T08
2025-06-08 06:02:19 C 09 04 54.737 +17 41 00.74 V T05
2025-06-08 06:06:52 C 09 04 54.034 +17 40 47.35 V T05
2025-06-08 06:16:03 C 09 04 52.519 +17 40 18.70 V T05
2025-06-08 06:30:36 C 09 04 50.119 +17 39 32.72 V T05
2025-09-15 11:52:55 C 08 51 05.346 +31 02 16.84 V 703
2025-09-15 11:56:25 C 08 51 05.929 +31 02 18.56 V 703
2025-09-15 12:03:25 C 08 51 06.847 +31 02 23.68 V 703
2025-11-12 22:07:34 C 11 43 49.561 +39 58 31.61 W O18
2025-11-12 22:48:56 C 11 43 53.951 +39 58 47.68 W O18
2025-12-07 11:07:43 C 12 42 18.731 +44 36 17.17 V G96
2025-12-07 11:15:14 C 12 42 19.393 +44 36 21.64 V G96
2025-12-07 11:22:43 C 12 42 20.056 +44 36 26.21 V G96
2025-12-07 11:30:12 C 12 42 20.725 +44 36 30.60 V G96
2025-12-16 12:04:41 C 13 01 06.697 +46 54 26.24 V 703
2025-12-16 12:07:56 C 13 01 06.838 +46 54 27.54 V 703
2025-12-16 12:11:10 C 13 01 07.158 +46 54 30.49 V 703
2025-12-16 12:14:24 C 13 01 07.486 +46 54 32.47 V 703
2025-12-19 12:41:56 C 13 06 59.533 +47 45 50.33 V G96
2025-12-19 12:49:29 C 13 07 00.145 +47 45 55.87 V G96
2025-12-19 12:57:03 C 13 07 00.728 +47 46 01.31 V G96
2025-12-19 13:04:37 C 13 07 01.312 +47 46 06.85 V G96