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
2020-03-20 03:22:13 C 18 42 00.10 -01 41 06.7 V 160
2020-03-24 03:42:50 C 19 04 54.46 -03 18 58.8 V 160
2020-03-24 03:46:20 C 19 04 55.37 -03 19 01.0 V 160
2020-03-24 03:49:52 C 19 04 56.23 -03 19 04.8 V 160
2020-04-03 13:53:31 C 20 21 17.01 -08 27 16.8 V T05
2020-04-03 13:58:14 C 20 21 18.67 -08 27 24.0 V T05
2020-04-03 13:59:33 C 20 21 19.15 -08 27 25.1 V T05
2020-04-03 14:04:11 C 20 21 20.79 -08 27 31.3 V T05
2020-04-03 14:13:36 C 20 21 24.19 -08 27 43.5 V T05
2020-04-03 14:24:13 C 20 21 27.99 -08 27 58.3 V T05
2020-04-03 14:28:14 C 20 21 29.41 -08 28 03.5 V T05
2020-12-27 12:34:13 C 13 48 59.03 +36 40 11.8 V G96
2020-12-27 12:41:41 C 13 48 59.52 +36 40 14.6 V G96
2020-12-27 12:49:11 C 13 49 00.03 +36 40 17.3 V G96
2020-12-27 12:56:40 C 13 49 00.54 +36 40 20.3 V G96
2021-01-03 13:00:12 C 14 00 13.25 +37 48 39.5 V G96
2021-01-03 13:07:38 C 14 00 13.69 +37 48 42.9 V G96
2021-01-03 13:15:02 C 14 00 14.16 +37 48 46.4 V G96
2021-01-03 13:22:26 C 14 00 14.61 +37 48 49.5 V G96
2021-02-13 10:53:00 C 14 37 45.33 +49 31 24.2 V G96
2021-02-13 11:00:33 C 14 37 45.30 +49 31 31.3 V G96
2021-02-13 11:08:06 C 14 37 45.29 +49 31 38.5 V G96
2021-02-13 11:15:39 C 14 37 45.27 +49 31 45.7 V G96
2021-02-20 09:41:37 C 14 35 49.95 +52 13 31.3 V 703
2021-02-20 09:57:11 C 14 35 49.47 +52 13 46.7 V 703
2021-02-20 10:04:58 C 14 35 49.23 +52 13 54.2 V 703
2021-03-03 10:42:39 C 14 23 51.36 +56 32 51.3 V G96
2021-03-03 10:50:12 C 14 23 50.78 +56 32 58.5 V G96
2021-03-03 10:57:45 C 14 23 50.21 +56 33 05.5 V G96
2021-03-03 11:05:19 C 14 23 49.67 +56 33 12.8 V G96
2021-03-05 14:47:33 C 14 19 56.373 +57 21 36.96 U F51
2021-03-05 14:59:36 C 14 19 55.346 +57 21 47.97 U F51
2021-03-05 15:11:41 C 14 19 54.312 +57 21 59.19 U F51
2021-03-05 15:23:47 C 14 19 53.297 +57 22 10.27 U F51
2021-03-06 08:35:19 C 14 18 28.94 +57 37 54.7 V 703
2021-03-06 08:43:04 C 14 18 28.25 +57 38 02.0 V 703
2021-03-06 08:50:50 C 14 18 27.63 +57 38 08.7 V 703
2021-03-06 08:58:35 C 14 18 26.95 +57 38 17.7 V 703
2021-03-06 23:48:16 C 14 17 10.46 +57 51 40.7 V K83
2021-03-06 23:51:25 C 14 17 10.07 +57 51 44.4 V K83
2021-03-06 23:54:35 C 14 17 09.79 +57 51 46.3 V K83
2021-03-15 12:10:19 C 13 54 30.35 +60 38 02.9 V T05
2021-03-15 12:27:25 C 13 54 28.02 +60 38 14.6 V T05
2021-03-15 12:34:52 C 13 54 26.92 +60 38 20.0 V T05
2021-03-15 12:37:30 C 13 54 26.59 +60 38 21.4 V T05
2021-03-17 08:31:48 C 13 48 20.00 +61 07 51.3 V 703
2021-03-17 08:39:31 C 13 48 18.67 +61 07 55.5 V 703
2021-03-17 08:54:57 C 13 48 16.64 +61 08 05.0 V 703
2021-03-21 13:38:12 C 13 32 40.99 +62 04 43.0 V T08
2021-03-21 13:43:31 C 13 32 40.05 +62 04 45.3 V T08