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
2025-04-10 07:23:50 C 14 48 24.019 +52 34 03.00 V 703
2025-04-11 08:09:17 C 14 43 57.184 +52 58 15.35 V 703
2025-04-11 08:11:17 C 14 43 56.802 +52 58 17.33 V G96
2025-04-11 08:12:45 C 14 43 56.521 +52 58 19.31 V 703
2025-04-11 08:16:14 C 14 43 55.758 +52 58 21.86 V 703
2025-04-11 08:18:53 C 14 43 55.358 +52 58 24.74 V G96
2025-04-11 08:19:42 C 14 43 55.196 +52 58 25.93 V 703
2025-04-11 08:26:31 C 14 43 53.911 +52 58 31.98 V G96
2025-04-11 08:34:09 C 14 43 52.453 +52 58 39.50 V G96
2025-04-12 11:48:29 C 14 38 41.784 +53 24 14.87 V T08
2025-04-12 11:53:48 C 14 38 40.704 +53 24 19.66 V T08
2025-04-12 12:01:46 C 14 38 39.110 +53 24 26.96 V T08
2025-04-12 12:17:07 C 14 38 36.002 +53 24 41.11 V T08
2025-04-14 12:01:12 C 14 28 47.148 +54 06 14.11 V T05
2025-04-14 12:07:09 C 14 28 45.816 +54 06 19.01 V T05
2025-04-14 12:53:49 C 14 28 35.429 +54 06 56.45 V T05
2025-04-14 13:34:51 C 14 28 26.333 +54 07 29.10 V T05
2025-04-15 10:02:56 C 14 23 55.900 +54 23 46.36 V 703
2025-04-15 10:06:24 C 14 23 55.000 +54 23 49.24 V 703
2025-04-15 10:06:49 C 14 23 54.913 +54 23 49.70 V 703
2025-04-15 10:09:52 C 14 23 54.200 +54 23 52.08 V 703
2025-04-15 10:10:17 C 14 23 54.114 +54 23 52.12 V 703
2025-04-15 10:13:20 C 14 23 53.329 +54 23 54.85 V 703
2025-04-15 10:13:45 C 14 23 53.329 +54 23 54.38 V 703
2025-04-16 11:10:52 C 14 18 09.622 +54 42 33.34 V T08
2025-04-16 11:16:11 C 14 18 08.294 +54 42 37.30 V T08
2025-04-16 12:15:44 C 14 17 53.854 +54 43 19.06 V T08
2025-04-16 23:31:54 B 14 15 12.92 +54 51 03.2 X L76
2025-04-16 23:42:23 B 14 15 10.36 +54 51 10.2 X L76
2025-04-16 23:52:51 B 14 15 07.79 +54 51 16.7 X L76
2025-04-17 22:31:59 B 14 09 34.84 +55 06 00.3 X L76
2025-04-17 22:42:28 B 14 09 32.20 +55 06 06.7 X L76
2025-04-17 22:52:57 B 14 09 29.54 +55 06 12.9 X L76
2025-04-18 00:30:49 C 14 09 04.58 +55 07 11.6 X C40
2025-04-18 00:33:14 C 14 09 03.92 +55 07 13.4 X C40
2025-04-18 00:35:39 C 14 09 03.32 +55 07 15.0 X C40
2025-04-18 00:38:10 C 14 09 02.68 +55 07 16.5 X C40
2025-04-18 00:40:41 C 14 09 02.04 +55 07 17.9 X C40
2025-04-18 00:43:06 C 14 09 01.45 +55 07 19.3 X C40
2025-04-18 00:45:31 C 14 09 00.84 +55 07 20.6 X C40
2025-04-18 00:47:50 C 14 09 00.23 +55 07 22.1 X C40
2025-04-18 00:50:02 C 14 08 59.68 +55 07 23.2 X C40
2025-04-18 00:52:14 C 14 08 59.17 +55 07 24.7 X C40
2025-04-18 00:54:25 C 14 08 58.52 +55 07 25.8 X C40
2025-04-18 00:56:38 C 14 08 58.01 +55 07 27.1 X C40
2025-04-18 09:15:41 C 14 06 52.286 +55 12 31.10 V 703
2025-04-18 09:19:10 C 14 06 51.365 +55 12 32.83 V 703
2025-04-18 09:22:40 C 14 06 50.468 +55 12 34.52 V 703
2025-04-18 09:26:10 C 14 06 49.536 +55 12 37.08 V 703
2025-04-18 13:00:47 C 14 05 54.540 +55 14 43.22 V T05