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
2025-04-18 13:01:26 C 14 05 54.384 +55 14 43.15 V T05
2025-04-18 13:09:31 C 14 05 52.262 +55 14 47.98 V T05
2025-04-18 13:15:43 C 14 05 50.614 +55 14 51.29 V T05
2025-04-21 08:08:00 C 13 47 52.372 +55 45 58.18 V 703
2025-04-21 08:11:27 C 13 47 51.356 +55 45 59.18 V 703
2025-04-21 08:14:54 C 13 47 50.370 +55 46 00.84 V 703
2025-04-21 08:18:21 C 13 47 49.409 +55 46 01.74 V 703
2025-04-22 10:30:44 C 13 40 19.759 +55 53 55.25 V T05
2025-04-22 11:20:08 C 13 40 05.028 +55 54 06.80 V T05
2025-04-22 11:24:07 C 13 40 03.847 +55 54 07.78 V T05
2025-04-22 11:32:40 C 13 40 01.272 +55 54 09.47 V T05
2025-04-23 08:11:28 C 13 33 56.855 +55 58 18.77 V 703
2025-04-23 08:14:53 C 13 33 55.832 +55 58 19.20 V 703
2025-04-23 08:18:18 C 13 33 54.810 +55 58 19.13 V 703
2025-04-23 08:21:43 C 13 33 53.744 +55 58 19.96 V 703
2025-04-24 00:57:02 C 13 28 55.582 +56 00 26.46 V R17
2025-04-24 01:17:33 C 13 28 49.238 +56 00 28.12 V R17
2025-04-24 01:38:06 C 13 28 42.857 +56 00 29.70 V R17
2025-04-24 01:58:37 C 13 28 36.490 +56 00 31.07 V R17
2025-04-24 13:05:53 C 13 25 12.722 +56 01 10.16 V T08
2025-04-24 13:20:02 C 13 25 08.350 +56 01 09.77 V T08
2025-04-24 13:35:16 C 13 25 03.612 +56 01 09.52 V T08
2025-04-24 13:42:00 C 13 25 01.534 +56 01 09.73 V T08
2025-04-25 08:11:22 C 13 19 20.395 +56 01 04.84 V 703
2025-04-25 08:14:50 C 13 19 19.355 +56 01 03.94 V 703
2025-04-25 08:18:16 C 13 19 18.203 +56 01 04.58 V 703
2025-04-25 08:21:43 C 13 19 17.123 +56 01 03.79 V 703
2025-04-25 23:39:27 C 13 14 30.965 +55 59 42.00 Z C23
2025-04-25 23:40:51 C 13 14 31.030 +55 59 48.44 V R17
2025-04-26 00:01:23 C 13 14 24.422 +55 59 46.10 V R17
2025-04-26 00:21:56 C 13 14 17.822 +55 59 43.48 V R17
2025-04-26 00:42:27 C 13 14 11.201 +55 59 40.85 V R17
2025-04-26 00:47:09 C 13 14 09.298 +55 59 32.75 Z C23
2025-04-26 00:57:46 C 13 14 05.976 +55 59 31.13 Z C23
2025-04-26 09:34:07 C 13 11 23.825 +55 58 25.39 V T05
2025-04-26 09:38:43 C 13 11 22.330 +55 58 24.49 V T05
2025-04-26 09:46:39 C 13 11 19.752 +55 58 23.23 V T05
2025-04-26 10:01:11 C 13 11 15.053 +55 58 20.68 V T05
2025-04-27 08:06:13 C 13 04 13.040 +55 53 22.20 V G96
2025-04-27 08:12:27 C 13 04 10.999 +55 53 20.36 V G96
2025-04-27 08:16:28 C 13 04 09.685 +55 53 19.00 V 703
2025-04-27 08:18:40 C 13 04 08.965 +55 53 18.46 V G96
2025-04-27 08:19:56 C 13 04 08.548 +55 53 17.88 V 703
2025-04-27 08:23:22 C 13 04 07.432 +55 53 18.13 V 703
2025-04-27 08:24:54 C 13 04 06.953 +55 53 17.38 V G96
2025-04-27 08:26:49 C 13 04 06.377 +55 53 16.30 V 703
2025-04-28 01:10:09 B 12 58 45.95 +55 47 55.2 Z W45
2025-04-28 01:31:03 B 12 58 39.11 +55 47 48.2 Z W45
2025-04-28 01:51:58 B 12 58 32.23 +55 47 41.1 Z W45
2025-04-28 09:47:35 C 12 55 57.533 +55 44 44.45 V T08