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
2025-05-17 17:06:59 B 10 39 45.134 +43 41 21.84 W M73
2025-05-17 17:09:31 B 10 39 44.530 +43 41 15.47 W M73
2025-05-17 20:44:38 C 10 38 54.617 +43 31 54.70 Z C23
2025-05-17 21:26:36 C 10 38 44.678 +43 30 05.04 Z C23
2025-05-19 05:39:30 C 10 31 24.114 +42 05 34.30 V 703
2025-05-19 05:42:49 C 10 31 23.416 +42 05 24.76 V 703
2025-05-19 05:46:08 C 10 31 22.681 +42 05 15.32 V 703
2025-05-19 05:49:26 C 10 31 21.914 +42 05 06.83 V 703
2025-05-19 21:02:34 C 10 28 00.547 +41 24 00.90 Z C23
2025-05-19 21:10:25 C 10 27 59.023 +41 23 49.02 V R17
2025-05-19 21:30:57 C 10 27 54.382 +41 22 52.68 V R17
2025-05-19 21:42:08 C 10 27 51.737 +41 22 12.76 Z C23
2025-05-19 21:51:29 C 10 27 49.776 +41 21 56.41 V R17
2025-05-19 22:12:00 C 10 27 45.166 +41 20 59.93 V R17
2025-05-19 22:40:09 C 10 27 38.959 +41 19 32.81 Z C23
2025-05-21 05:27:29 C 10 21 02.318 +39 54 34.45 V 703
2025-05-21 05:30:47 C 10 21 01.595 +39 54 24.77 V 703
2025-05-21 05:34:04 C 10 21 00.932 +39 54 15.66 V 703
2025-05-21 05:37:21 C 10 21 00.212 +39 54 06.55 V 703
2025-05-22 06:36:52 C 10 15 49.406 +38 43 24.02 V T08
2025-05-22 06:44:15 C 10 15 47.839 +38 43 03.04 V T08
2025-05-22 06:50:13 C 10 15 46.584 +38 42 45.65 V T08
2025-05-22 07:05:31 C 10 15 43.356 +38 42 01.40 V T08
2025-05-22 20:56:55 C 10 12 54.950 +38 01 54.16 Z C23
2025-05-22 21:18:48 C 10 12 50.441 +38 00 51.26 Z C23
2025-05-22 22:03:12 C 10 12 41.388 +37 58 41.48 Z C23
2025-05-23 04:48:47 C 10 11 20.029 +37 39 10.69 V 703
2025-05-23 04:52:05 C 10 11 19.360 +37 39 01.01 V 703
2025-05-23 04:55:24 C 10 11 18.690 +37 38 51.40 V 703
2025-05-23 04:58:42 C 10 11 18.024 +37 38 41.42 V 703
2025-05-24 07:16:54 C 10 06 07.769 +36 21 27.22 V T08
2025-05-24 07:21:40 C 10 06 06.818 +36 21 13.07 V T08
2025-05-24 07:29:41 C 10 06 05.234 +36 20 49.31 V T08
2025-05-24 07:44:03 C 10 06 02.374 +36 20 05.93 V T08
2025-05-25 07:15:46 C 10 01 32.311 +35 09 49.68 V T08
2025-05-25 07:20:28 C 10 01 31.406 +35 09 35.39 V T08
2025-05-25 07:30:01 C 10 01 29.525 +35 09 06.41 V T08
2025-05-25 07:44:44 C 10 01 26.705 +35 08 21.34 V T08
2025-05-26 04:31:34 C 09 57 33.642 +34 05 25.76 V 703
2025-05-26 04:34:54 C 09 57 33.008 +34 05 15.61 V 703
2025-05-26 04:38:14 C 09 57 32.353 +34 05 05.39 V 703
2025-05-26 04:41:34 C 09 57 31.756 +34 04 54.88 V 703
2025-05-26 06:42:45 C 09 57 09.497 +33 58 52.10 V T05
2025-05-26 06:48:01 C 09 57 08.503 +33 58 35.72 V T05
2025-05-26 06:52:07 C 09 57 07.726 +33 58 22.94 V T05
2025-05-26 06:56:49 C 09 57 06.818 +33 58 08.98 V T05
2025-05-26 07:00:06 C 09 57 06.202 +33 57 58.46 V T05
2025-05-26 07:17:14 C 09 57 02.966 +33 57 06.16 V T05
2025-05-27 06:25:59 C 09 52 49.464 +32 46 15.38 V T05
2025-05-27 06:30:42 C 09 52 48.578 +32 46 00.55 V T05