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
2022-02-10 06:28:37 C 08 52 56.614 +85 29 01.22 U F52
2022-02-21 07:19:50 C 07 01 19.23 +82 09 42.6 V T05
2022-02-21 08:15:25 C 07 01 09.34 +82 08 51.6 V T05
2022-02-21 08:25:57 C 07 01 07.71 +82 08 41.2 V T05
2022-02-21 08:42:26 C 07 01 05.08 +82 08 25.9 V T05
2023-02-01 01:56:24 C 23 53 17.020 +06 59 28.97 V 703
2023-02-01 02:09:13 C 23 53 19.345 +07 00 07.09 V 703
2023-02-01 02:17:37 C 23 53 20.857 +07 00 30.85 V 703
2023-02-01 02:26:01 C 23 53 22.337 +07 00 56.38 V 703
2023-02-03 02:00:50 C 00 01 59.560 +09 19 14.16 V 703
2023-02-03 02:17:21 C 00 02 02.555 +09 20 00.85 V 703
2023-02-03 02:25:36 C 00 02 03.991 +09 20 23.82 V 703
2023-02-09 02:08:22 C 00 26 59.834 +15 46 48.79 V 703
2023-02-09 02:15:56 C 00 27 01.091 +15 47 08.92 V 703
2023-02-09 02:23:29 C 00 27 02.308 +15 47 26.48 V 703
2023-02-09 02:31:03 C 00 27 03.618 +15 47 46.57 V 703
2023-02-19 10:58:46 C 01 07 31.05 +25 04 02.7 V D29
2023-02-19 11:17:52 C 01 07 34.10 +25 04 39.2 V D29
2023-02-19 11:36:57 C 01 07 37.05 +25 05 17.9 V D29
2025-02-09 12:35:42 C 15 21 32.432 +30 37 32.05 V G96
2025-02-09 12:43:08 C 15 21 32.767 +30 37 36.01 V G96
2025-02-09 12:50:34 C 15 21 33.116 +30 37 39.94 V G96
2025-02-09 12:58:01 C 15 21 33.451 +30 37 43.93 V G96
2025-02-14 14:54:32 C 15 27 01.181 +31 46 03.60 X F51
2025-02-14 15:08:45 C 15 27 01.731 +31 46 12.10 X F51
2025-02-14 15:23:12 C 15 27 02.306 +31 46 20.72 X F51
2025-02-14 15:37:57 C 15 27 02.900 +31 46 29.56 X F51
2025-02-17 11:31:51 C 15 29 47.062 +32 28 21.54 V G96
2025-02-17 11:39:20 C 15 29 47.342 +32 28 26.26 V G96
2025-02-17 11:46:49 C 15 29 47.591 +32 28 30.97 V G96
2025-02-17 11:54:19 C 15 29 47.893 +32 28 35.83 V G96
2025-02-17 14:26:15 C 15 29 53.800 +32 30 14.18 X F51
2025-02-17 14:41:28 C 15 29 54.351 +32 30 24.00 X F51
2025-02-17 14:56:50 C 15 29 54.911 +32 30 34.02 X F51
2025-02-20 13:08:04 C 15 32 28.399 +33 16 58.66 V T05
2025-02-20 13:12:43 C 15 32 28.546 +33 17 02.44 V T05
2025-02-20 13:20:38 C 15 32 28.910 +33 17 07.51 V T05
2025-02-20 13:39:50 C 15 32 29.414 +33 17 21.16 V T05
2025-02-23 13:30:14 C 15 34 48.151 +34 08 07.40 V T05
2025-02-23 13:34:49 C 15 34 48.302 +34 08 10.97 V T05
2025-02-23 13:41:54 C 15 34 48.406 +34 08 16.66 V T05
2025-02-23 13:46:39 C 15 34 48.607 +34 08 19.35 X F52
2025-02-23 13:49:46 C 15 34 48.698 +34 08 21.95 V T05
2025-02-23 14:04:17 C 15 34 49.093 +34 08 32.38 X F52
2025-02-23 14:22:01 C 15 34 49.577 +34 08 45.44 X F52
2025-02-23 14:39:48 C 15 34 50.065 +34 08 58.49 X F52
2025-02-25 11:23:43 C 15 36 06.016 +34 42 15.66 V G96
2025-02-25 11:31:26 C 15 36 06.206 +34 42 21.38 V G96
2025-02-25 11:39:09 C 15 36 06.397 +34 42 27.36 V G96
2025-02-25 11:46:52 C 15 36 06.592 +34 42 33.26 V G96