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
2025-05-02 23:55:07 C 12 20 07.027 +54 28 55.88 V R17
2025-05-03 00:15:39 C 12 20 00.218 +54 28 35.40 V R17
2025-05-03 00:36:11 C 12 19 53.431 +54 28 14.74 V R17
2025-05-03 05:26:59 C 12 18 19.984 +54 23 26.16 V 703
2025-05-03 05:30:27 C 12 18 18.803 +54 23 22.85 V 703
2025-05-03 05:33:55 C 12 18 17.647 +54 23 18.92 V 703
2025-05-03 05:37:23 C 12 18 16.528 +54 23 15.32 V 703
2025-05-04 08:36:09 C 12 09 35.693 +53 54 12.67 V T05
2025-05-04 08:41:27 C 12 09 33.960 +53 54 06.62 V T05
2025-05-04 08:49:24 C 12 09 31.361 +53 53 57.37 V T05
2025-05-04 09:05:11 C 12 09 26.174 +53 53 38.83 V T05
2025-05-04 22:03:21 C 12 05 18.324 +53 38 06.58 Z C23
2025-05-04 22:42:37 C 12 05 05.618 +53 37 18.66 Z C23
2025-05-04 23:38:07 C 12 04 47.719 +53 36 08.39 Z C23
2025-05-05 04:08:17 B 12 03 22.001 +53 30 35.64 q X04
2025-05-05 04:39:44 B 12 03 11.789 +53 29 54.74 q X04
2025-05-05 05:11:17 B 12 03 01.675 +53 29 13.31 q X04
2025-05-08 07:23:02 C 11 40 06.272 +51 41 57.01 V 703
2025-05-08 07:26:06 C 11 40 05.297 +51 41 52.04 V 703
2025-05-08 07:29:10 C 11 40 04.354 +51 41 46.39 V 703
2025-05-08 07:32:14 C 11 40 03.450 +51 41 41.53 V 703
2025-05-08 21:25:54 C 11 35 55.603 +51 18 30.35 Z C23
2025-05-08 21:41:09 C 11 35 50.998 +51 18 03.42 Z C23
2025-05-08 21:53:34 C 11 35 47.268 +51 17 42.04 Z C23
2025-05-09 03:53:16 C 11 34 01.423 +51 07 31.19 V G96
2025-05-09 04:01:35 C 11 33 58.907 +51 07 16.82 V G96
2025-05-09 04:09:52 C 11 33 56.408 +51 07 02.39 V G96
2025-05-09 04:18:10 C 11 33 53.892 +51 06 47.99 V G96
2025-05-09 20:02:48 C 11 29 16.92 +50 38 48.7 X C40
2025-05-09 20:07:01 C 11 29 15.68 +50 38 41.1 X C40
2025-05-09 20:11:13 C 11 29 14.46 +50 38 33.2 X C40
2025-05-09 20:15:25 C 11 29 13.21 +50 38 25.6 X C40
2025-05-09 20:19:37 C 11 29 11.96 +50 38 17.9 X C40
2025-05-09 20:23:49 C 11 29 10.73 +50 38 10.1 X C40
2025-05-09 20:28:02 C 11 29 09.49 +50 38 02.5 X C40
2025-05-09 20:32:15 C 11 29 08.26 +50 37 54.5 X C40
2025-05-09 20:36:18 C 11 29 07.04 +50 37 47.0 X C40
2025-05-09 20:40:09 C 11 29 05.93 +50 37 39.9 X C40
2025-05-09 20:44:01 C 11 29 04.78 +50 37 33.0 X C40
2025-05-09 20:47:53 C 11 29 03.64 +50 37 25.9 X C40
2025-05-09 21:28:33 C 11 28 52.358 +50 36 12.20 Z C23
2025-05-09 22:01:16 C 11 28 42.722 +50 35 12.34 Z C23
2025-05-10 00:06:13 C 11 28 06.178 +50 31 21.07 Z C23
2025-05-10 06:49:59 C 11 26 09.470 +50 19 03.86 V 703
2025-05-10 06:53:16 C 11 26 08.538 +50 18 57.20 V 703
2025-05-10 06:56:31 C 11 26 07.678 +50 18 50.72 V 703
2025-05-10 06:59:47 C 11 26 06.716 +50 18 44.50 V 703
2025-05-10 07:55:36 C 11 25 51.353 +50 17 09.20 V T08
2025-05-10 08:00:16 C 11 25 49.961 +50 17 00.13 V T08
2025-05-10 08:10:16 C 11 25 46.987 +50 16 41.12 V T08