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
2025-05-10 08:26:45 C 11 25 42.192 +50 16 10.13 V T08
2025-05-10 23:03:40 C 11 21 32.446 +49 48 12.53 Z C23
2025-05-10 23:18:48 C 11 21 28.176 +49 47 42.86 Z C23
2025-05-11 03:54:21 C 11 20 11.281 +49 38 56.62 V G96
2025-05-11 04:02:33 C 11 20 08.920 +49 38 40.49 V G96
2025-05-11 04:10:43 C 11 20 06.572 +49 38 24.50 V G96
2025-05-11 04:18:53 C 11 20 04.204 +49 38 08.48 V G96
2025-05-11 21:17:06 B 11 15 20.434 +49 04 11.93 X K87
2025-05-11 21:22:00 B 11 15 19.049 +49 04 01.45 X K87
2025-05-11 21:26:54 B 11 15 17.710 +49 03 51.37 X K87
2025-05-12 07:48:04 C 11 12 27.358 +48 42 45.22 V T05
2025-05-12 07:52:50 C 11 12 26.035 +48 42 35.57 V T05
2025-05-12 08:48:44 C 11 12 10.313 +48 40 37.63 V T05
2025-05-12 08:58:13 C 11 12 07.694 +48 40 17.26 V T05
2025-05-12 20:38:49 C 11 08 58.982 +48 15 34.31 Z C23
2025-05-12 21:38:59 C 11 08 42.542 +48 13 25.14 Z C23
2025-05-12 22:17:43 C 11 08 32.033 +48 12 02.52 Z C23
2025-05-13 16:46:22 B 11 03 38.225 +47 32 01.00 W M73
2025-05-13 16:53:57 B 11 03 36.175 +47 31 44.08 W M73
2025-05-13 17:01:34 B 11 03 34.109 +47 31 27.19 W M73
2025-05-14 07:15:30 C 10 59 51.722 +46 59 33.36 V T08
2025-05-14 07:20:08 C 10 59 50.486 +46 59 22.63 V T08
2025-05-14 07:28:48 C 10 59 48.214 +46 59 03.01 V T08
2025-05-14 07:35:44 C 10 59 46.378 +46 58 47.35 V T08
2025-05-14 07:40:22 C 10 59 45.115 +46 58 36.55 V T08
2025-05-14 07:44:25 C 10 59 44.074 +46 58 27.26 V T08
2025-05-14 07:49:02 C 10 59 42.850 +46 58 16.39 V T08
2025-05-14 08:04:38 C 10 59 38.724 +46 57 40.43 V T08
2025-05-15 06:27:31 C 10 53 56.785 +46 05 42.25 V 703
2025-05-15 06:30:48 C 10 53 55.907 +46 05 35.09 V 703
2025-05-15 06:34:04 C 10 53 55.039 +46 05 26.84 V 703
2025-05-15 06:37:21 C 10 53 54.193 +46 05 19.32 V 703
2025-05-16 07:37:30 C 10 47 44.050 +45 05 18.46 V T05
2025-05-16 08:24:46 C 10 47 32.230 +45 03 21.31 V T05
2025-05-16 08:28:50 C 10 47 31.217 +45 03 11.38 V T05
2025-05-16 08:33:34 C 10 47 30.074 +45 02 59.78 V T05
2025-05-16 08:37:40 C 10 47 29.023 +45 02 49.42 V T05
2025-05-16 08:45:42 C 10 47 27.026 +45 02 29.69 V T05
2025-05-16 09:03:41 C 10 47 22.574 +45 01 44.62 V T05
2025-05-16 20:54:29 B 10 44 32.206 +44 32 28.14 W J51
2025-05-16 21:15:16 C 10 44 27.142 +44 31 35.94 V R17
2025-05-16 21:17:14 B 10 44 26.654 +44 31 31.30 W J51
2025-05-16 21:25:10 B 10 44 24.679 +44 31 11.24 W J51
2025-05-16 21:35:47 C 10 44 22.090 +44 30 44.21 V R17
2025-05-16 21:56:18 C 10 44 17.038 +44 29 52.66 V R17
2025-05-16 22:16:50 C 10 44 12.022 +44 29 00.67 V R17
2025-05-17 05:36:34 C 10 42 27.076 +44 10 32.20 V 703
2025-05-17 05:39:52 C 10 42 26.280 +44 10 24.20 V 703
2025-05-17 05:43:10 C 10 42 25.470 +44 10 15.53 V 703
2025-05-17 05:46:27 C 10 42 24.689 +44 10 06.92 V 703