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
2025-02-25 13:45:06 C 15 36 09.888 +34 44 04.67 V T08
2025-02-25 13:47:46 C 15 36 09.977 +34 44 06.72 V T08
2025-02-25 13:53:07 C 15 36 10.058 +34 44 10.97 V T08
2025-02-25 14:00:38 C 15 36 10.337 +34 44 17.34 V T08
2025-02-26 13:16:58 C 15 36 46.308 +35 02 08.52 V T08
2025-02-26 13:49:31 C 15 36 47.035 +35 02 34.80 V T08
2025-02-26 13:52:15 C 15 36 47.110 +35 02 36.74 V T08
2025-02-26 13:58:12 C 15 36 47.261 +35 02 41.57 V T08
2025-02-27 13:14:37 C 15 37 20.767 +35 20 55.21 V T05
2025-02-27 13:18:41 C 15 37 20.914 +35 20 58.56 V T05
2025-02-27 13:23:55 C 15 37 21.012 +35 21 02.95 V T05
2025-02-27 13:37:58 C 15 37 21.262 +35 21 13.75 V T05
2025-03-01 12:44:08 C 15 38 21.386 +35 59 13.06 V T05
2025-03-01 12:46:44 C 15 38 21.415 +35 59 14.50 V T05
2025-03-01 12:51:18 C 15 38 21.514 +35 59 19.00 V T05
2025-03-01 13:17:38 C 15 38 21.950 +35 59 40.70 V T05
2025-03-02 13:01:50 C 15 38 48.012 +36 19 22.62 V T08
2025-03-02 13:17:29 C 15 38 48.250 +36 19 35.80 V T08
2025-03-02 13:28:16 C 15 38 48.372 +36 19 44.90 V T05
2025-03-02 13:38:00 C 15 38 48.574 +36 19 53.26 V T05
2025-03-05 13:16:50 C 15 39 49.099 +37 21 33.08 V T08
2025-03-05 13:19:29 C 15 39 49.135 +37 21 34.96 V T08
2025-03-05 13:26:18 C 15 39 49.210 +37 21 41.44 V T08
2025-03-05 13:41:10 C 15 39 49.298 +37 21 54.36 V T08
2025-03-06 14:55:25 C 15 40 03.554 +37 44 24.40 V T08
2025-03-06 14:59:26 C 15 40 03.509 +37 44 29.00 V T08
2025-03-06 15:14:39 C 15 40 03.655 +37 44 41.53 V T08
2025-03-06 15:42:15 C 15 40 03.821 +37 45 06.66 V T08
2025-03-08 12:38:32 C 15 40 20.474 +38 26 10.03 V T05
2025-03-08 12:43:05 C 15 40 20.443 +38 26 13.67 V T05
2025-03-08 12:50:56 C 15 40 20.450 +38 26 21.88 V T05
2025-03-08 12:58:47 C 15 40 20.494 +38 26 29.22 V T05
2025-03-08 14:22:31 C 15 40 20.544 +38 27 47.56 X F52
2025-03-08 14:40:19 C 15 40 20.550 +38 28 04.15 X F52
2025-03-08 14:58:03 C 15 40 20.553 +38 28 20.65 X F52
2025-03-08 15:15:44 C 15 40 20.555 +38 28 37.11 X F52
2025-03-11 11:03:17 C 15 40 19.247 +39 33 00.97 V 703
2025-03-11 11:06:35 C 15 40 19.294 +39 33 04.50 V 703
2025-03-11 11:09:59 C 15 40 19.218 +39 33 08.60 V 703
2025-03-11 11:13:22 C 15 40 19.254 +39 33 11.84 V 703
2025-03-11 15:06:20 C 15 40 18.024 +39 37 00.52 V T08
2025-03-11 15:11:00 C 15 40 18.029 +39 37 04.66 V T08
2025-03-11 15:26:40 C 15 40 17.892 +39 37 20.53 V T08
2025-03-11 15:34:18 C 15 40 17.786 +39 37 27.62 V T08
2025-03-15 12:40:05 C 15 39 18.866 +41 10 41.34 V T08
2025-03-15 12:44:11 C 15 39 18.698 +41 10 46.13 V T08
2025-03-15 12:53:42 C 15 39 18.614 +41 10 56.46 V T08
2025-03-15 13:07:54 C 15 39 18.312 +41 11 10.03 V T08
2025-03-17 12:15:50 C 15 38 20.918 +42 00 16.74 V T05
2025-03-17 12:18:36 C 15 38 20.928 +42 00 19.15 V T05