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
2005-01-20 01:57:49 C 23 31 53.41 +10 33 32.1 o 699
2005-01-20 02:12:50 C 23 31 56.25 +10 34 21.4 o 699
2005-01-20 02:27:52 C 23 31 59.04 +10 35 09.1 o 699
2005-01-20 02:42:53 C 23 32 01.76 +10 35 57.7 o 699
2005-02-05 19:21:38 C 00 41 12.72 +28 07 05.2 18.7 r 130
2005-02-05 19:34:21 C 00 41 14.79 +28 07 31.9 19.0 r 130
2005-03-01 03:11:51 C 02 09 20.53 +41 57 22.2 19.5 c 704
2005-03-01 03:28:41 C 02 09 23.12 +41 57 40.0 19.6 c 704
2005-03-01 03:45:28 C 02 09 25.69 +41 57 57.2 19.0 c 704
2007-02-04 11:27:19 C 15 29 39.16 +23 49 34.0 r 448
2007-02-04 11:50:20 C 15 29 40.48 +23 49 38.2 r 448
2007-02-04 12:13:33 C 15 29 41.95 +23 49 47.7 r 448
2007-02-25 09:06:59 C 15 58 16.78 +27 04 58.4 o 704
2007-02-25 09:22:50 C 15 58 17.63 +27 05 06.5 o 704
2007-02-25 09:54:44 C 15 58 19.00 +27 05 24.6 o 704
2007-03-04 11:57:06 C 16 06 15.02 +28 42 46.8 r 448
2007-03-04 12:09:09 C 16 06 15.52 +28 42 54.0 r 448
2007-03-04 12:21:14 C 16 06 16.05 +28 43 01.7 r 448
2007-03-06 01:44:03 C 16 07 51.71 +29 06 49.8 o 198
2007-03-06 01:46:05 C 16 07 51.78 +29 06 51.5 o 198
2007-03-06 01:47:06 C 16 07 51.81 +29 06 52.2 o 198
2007-04-02 21:13:20 C 16 20 52.79 +39 31 38.7 o 198
2007-04-02 21:15:09 C 16 20 52.76 +39 31 41.2 o 198
2007-04-02 21:22:51 C 16 20 52.63 +39 31 51.6 o 198
2007-04-02 21:24:28 C 16 20 52.60 +39 31 53.6 o 198
2007-04-07 01:04:02 C 16 18 36.01 +41 50 34.7 c A24
2007-04-07 02:09:34 C 16 18 33.58 +41 52 12.7 c A24
2007-04-07 02:11:01 C 16 18 33.54 +41 52 14.8 c A24
2007-04-07 02:34:50 C 16 18 32.66 +41 52 50.4 c A24
2007-04-07 03:12:29 C 16 18 31.18 +41 53 45.4 c A24
2007-04-07 03:23:55 C 16 18 30.73 +41 54 02.7 c A24
2007-04-07 03:25:22 C 16 18 30.74 +41 54 04.7 c A24
2007-04-08 09:57:00 C 16 17 24.64 +42 40 13.7 r H45
2007-04-08 09:58:47 C 16 17 24.55 +42 40 16.5 r H45
2007-04-08 10:00:18 C 16 17 24.49 +42 40 18.8 r H45
2007-04-08 10:01:44 C 16 17 24.42 +42 40 21.0 r H45
2007-04-08 10:03:08 C 16 17 24.35 +42 40 23.3 r H45
2007-04-08 10:04:36 C 16 17 24.29 +42 40 25.6 r H45
2007-04-08 10:06:00 C 16 17 24.23 +42 40 27.7 r H45
2007-04-09 01:09:35 C 16 16 47.52 +43 03 49.6 c A24
2007-04-09 01:11:02 C 16 16 47.44 +43 03 51.9 c A24
2007-04-09 01:28:24 C 16 16 46.61 +43 04 19.1 c A24
2007-04-09 01:47:15 C 16 16 45.69 +43 04 48.9 c A24
2007-04-09 02:04:37 C 16 16 44.86 +43 05 16.2 c A24
2007-04-09 02:06:04 C 16 16 44.80 +43 05 18.7 c A24
2007-04-09 02:23:09 C 16 16 43.99 +43 05 45.9 c A24
2007-04-09 02:58:48 C 16 16 42.23 +43 06 41.6 c A24
2007-04-09 03:00:14 C 16 16 42.14 +43 06 44.0 c A24
2007-04-09 19:14:11 C 16 15 58.78 +43 32 20.5 r A17
2007-04-09 19:24:06 C 16 15 58.27 +43 32 37.2 r A17