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
2012-04-24 20:54:36 C 11 30 55.91 +56 53 06.9 u C73
2012-04-24 20:55:46 C 11 30 55.72 +56 53 05.8 u C73
2012-04-24 20:56:55 C 11 30 55.59 +56 53 04.7 u C73
2012-04-24 20:58:05 C 11 30 55.40 +56 53 03.3 u C73
2012-04-24 20:59:15 C 11 30 55.26 +56 53 02.0 u C73
2012-04-24 21:00:25 C 11 30 55.13 +56 53 01.0 u C73
2012-04-24 21:01:34 C 11 30 55.02 +56 52 59.8 u C73
2012-04-24 21:02:44 C 11 30 54.87 +56 52 58.5 u C73
2012-04-24 21:03:53 C 11 30 54.73 +56 52 57.2 u C73
2012-04-24 21:05:02 C 11 30 54.59 +56 52 56.1 u C73
2012-04-24 21:06:12 C 11 30 54.43 +56 52 54.8 u C73
2012-05-02 21:17:16 C 11 11 18.04 +53 15 55.7 c A24
2012-05-02 21:19:50 C 11 11 17.72 +53 15 51.8 c A24
2012-05-02 21:42:12 C 11 11 15.82 +53 15 24.2 c A24
2012-05-02 22:05:05 C 11 11 13.87 +53 14 56.0 c A24
2012-05-02 22:27:27 C 11 11 11.94 +53 14 28.3 c A24
2012-05-02 22:29:32 C 11 11 11.78 +53 14 25.3 c A24
2012-05-03 20:31:14 C 11 09 25.78 +52 47 11.2 c A24
2012-05-03 20:33:19 C 11 09 25.55 +52 47 08.5 c A24
2012-05-03 21:03:04 C 11 09 22.95 +52 46 29.5 u C73
2012-05-03 21:05:23 C 11 09 22.74 +52 46 27.1 u C73
2012-05-03 21:07:42 C 11 09 22.57 +52 46 24.4 u C73
2012-05-03 21:10:01 C 11 09 22.41 +52 46 21.6 u C73
2012-05-03 21:12:19 C 11 09 22.23 +52 46 19.0 u C73
2012-05-03 21:42:10 C 11 09 20.09 +52 45 42.5 c A24
2012-05-03 21:44:15 C 11 09 19.87 +52 45 40.1 c A24
2012-05-16 21:55:51 C 10 52 51.76 +45 45 04.3 c A24
2012-05-16 22:21:10 C 10 52 50.95 +45 44 27.9 c A24
2012-05-16 22:44:55 C 10 52 50.09 +45 43 54.4 c A24
2012-05-16 23:08:11 C 10 52 49.49 +45 43 19.6 c A24
2012-05-16 23:10:15 C 10 52 49.44 +45 43 17.5 c A24
2012-05-20 05:51:01 C 10 50 47.50 +43 50 12.2 r 703
2012-05-20 06:00:13 C 10 50 47.622 +43 50 02.67 L F51
2012-05-20 06:00:43 C 10 50 47.22 +43 49 57.1 r 703
2012-05-20 06:10:35 C 10 50 47.00 +43 49 45.0 r 703
2012-05-20 06:17:08 C 10 50 47.203 +43 49 38.02 L F51
2012-05-20 06:20:31 C 10 50 46.68 +43 49 29.5 r 703
2012-05-28 20:54:02 C 10 48 25.67 +38 44 31.8 c A24
2012-05-28 20:56:06 C 10 48 25.66 +38 44 28.4 c A24
2012-05-28 21:17:24 C 10 48 25.54 +38 43 56.5 c A24
2012-05-28 21:42:01 C 10 48 25.57 +38 43 19.3 c A24
2012-05-28 22:04:42 C 10 48 25.51 +38 42 45.9 c A24
2012-05-29 21:22:12 C 10 48 23.34 +38 07 48.6 c A24
2012-05-29 21:45:08 C 10 48 23.32 +38 07 14.1 c A24
2012-05-29 22:11:21 C 10 48 23.32 +38 06 34.1 c A24
2012-05-29 22:33:36 C 10 48 23.22 +38 06 00.1 c A24
2012-05-29 22:35:40 C 10 48 23.27 +38 05 57.2 c A24
2012-10-16 11:37:18 C 10 07 23.44 +27 03 47.0 r G96
2012-10-16 11:45:17 C 10 07 24.31 +27 03 59.8 r G96
2012-10-16 11:53:20 C 10 07 25.14 +27 04 13.2 r G96