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
2021-06-13 04:22:40 C 10 52 21.54 +31 11 14.7 V 703
2021-06-13 04:30:55 C 10 52 21.67 +31 11 02.8 V 703
2021-06-13 04:39:12 C 10 52 21.88 +31 10 51.5 V 703
2021-06-28 06:08:22 C 11 03 45.79 +22 16 10.0 V T08
2021-06-28 06:13:00 C 11 03 45.97 +22 16 03.6 V T08
2021-06-28 06:21:00 C 11 03 46.23 +22 15 51.1 V T08
2021-06-28 06:35:37 C 11 03 46.75 +22 15 29.0 V T08
2021-07-02 06:02:36 C 11 07 15.34 +19 50 12.0 V T08
2021-07-02 06:07:14 C 11 07 15.49 +19 50 04.7 V T08
2021-07-02 06:17:51 C 11 07 15.88 +19 49 48.5 V T08
2021-07-02 06:35:48 C 11 07 16.53 +19 49 20.4 V T08
2021-07-06 06:02:36 C 11 10 51.82 +17 21 49.2 V T08
2021-07-06 06:07:14 C 11 10 51.93 +17 21 42.0 V T08
2021-07-06 06:17:11 C 11 10 52.30 +17 21 26.1 V T08
2021-07-06 06:34:26 C 11 10 52.94 +17 20 59.5 V T08
2021-10-02 12:32:02 C 09 54 49.27 +05 40 28.6 U I41
2021-10-02 12:35:27 C 09 54 49.32 +05 40 38.8 U I41
2021-10-02 12:38:51 C 09 54 49.38 +05 40 49.3 U I41
2021-10-02 12:42:14 C 09 54 49.45 +05 40 59.7 U I41
2021-10-02 12:45:39 C 09 54 49.53 +05 41 09.9 U I41
2021-10-17 11:31:52 C 10 16 19.35 +21 32 51.8 V 703
2021-10-17 11:38:51 C 10 16 19.97 +21 33 07.9 V 703
2021-10-17 11:45:50 C 10 16 20.57 +21 33 23.5 V 703
2021-10-17 11:52:49 C 10 16 21.15 +21 33 40.1 V 703
2021-10-24 11:56:00 C 10 32 22.26 +27 32 32.9 V 703
2021-10-24 12:19:08 C 10 32 24.60 +27 33 19.4 V 703
2021-11-05 11:45:25 C 11 03 43.98 +36 20 33.8 V 703
2021-11-05 11:53:16 C 11 03 44.82 +36 20 47.5 V 703
2021-11-05 12:01:07 C 11 03 45.75 +36 21 01.2 V 703
2021-11-05 12:08:58 C 11 03 46.62 +36 21 14.8 V 703
2021-11-06 11:37:00 C 11 06 27.53 +37 00 50.9 V 703
2021-11-06 11:43:42 C 11 06 28.29 +37 01 02.7 V 703
2021-11-06 11:50:25 C 11 06 29.06 +37 01 13.8 V 703
2021-11-06 11:57:09 C 11 06 29.79 +37 01 25.6 V 703
2021-11-08 14:17:03 C 11 12 17.06 +38 25 06.5 V T08
2021-11-08 14:25:01 C 11 12 18.02 +38 25 20.3 V T08
2021-11-08 14:31:01 C 11 12 18.69 +38 25 30.5 V T08
2021-11-08 14:57:38 C 11 12 21.68 +38 26 14.5 V T08
2021-11-09 11:40:57 C 11 14 45.33 +39 00 09.8 V 703
2021-11-09 11:48:49 C 11 14 46.27 +39 00 22.8 V 703
2021-11-09 11:56:41 C 11 14 47.10 +39 00 35.7 V 703
2021-11-09 12:04:32 C 11 14 47.97 +39 00 48.6 V 703
2021-11-10 14:26:29 C 11 17 51.44 +39 43 40.5 V T05
2021-11-10 14:32:28 C 11 17 52.13 +39 43 50.4 V T05
2021-11-10 14:41:02 C 11 17 53.08 +39 44 04.4 V T05
2021-11-10 15:07:49 C 11 17 56.13 +39 44 48.2 V T05
2021-11-12 11:35:12 C 11 23 06.30 +40 56 05.5 V 703
2021-11-12 11:43:03 C 11 23 07.14 +40 56 18.7 V 703
2021-11-12 11:50:54 C 11 23 08.04 +40 56 31.2 V 703
2021-11-12 11:58:45 C 11 23 08.93 +40 56 44.2 V 703