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
2007-04-24 23:55:43 C 15 27 37.26 +56 14 36.0 c A24
2007-04-25 00:00:21 C 15 27 35.89 +56 14 48.3 c A24
2007-04-25 00:01:47 C 15 27 35.47 +56 14 52.2 c A24
2007-04-25 04:00:51 C 15 26 27.63 +56 25 26.5 16.2 I07
2007-04-25 04:11:21 C 15 26 24.48 +56 25 54.6 16.5 I07
2007-04-25 04:18:23 C 15 26 22.49 +56 26 13.8 16.3 I07
2007-04-25 04:25:26 C 15 26 20.27 +56 26 32.7 16.2 I07
2007-04-25 04:39:30 C 15 26 16.10 +56 27 10.8 16.4 I07
2007-04-25 04:46:33 C 15 26 13.94 +56 27 29.7 16.2 I07
2007-04-25 04:53:35 C 15 26 11.78 +56 27 48.8 16.0 I07
2007-04-25 22:54:09 C 15 20 41.48 +57 16 16.5 o B09
2007-04-25 23:04:51 C 15 20 37.99 +57 16 46.1 o B09
2007-04-25 23:08:40 C 15 20 36.79 +57 16 56.1 o B09
2007-04-25 23:20:03 C 15 20 32.92 +57 17 27.5 o B09
2007-04-25 23:30:33 C 15 20 29.52 +57 17 56.4 o B09
2007-04-27 09:18:08 C 15 08 31.28 +58 51 12.6 r H45
2007-04-27 09:20:13 C 15 08 30.40 +58 51 18.5 r H45
2007-04-27 09:21:29 C 15 08 29.88 +58 51 22.1 r H45
2007-04-27 09:22:45 C 15 08 29.38 +58 51 25.5 r H45
2007-04-27 09:24:13 C 15 08 28.80 +58 51 29.6 r H45
2007-04-27 21:11:55 C 15 03 49.38 +59 24 29.8 c B09
2007-04-27 21:42:20 C 15 03 36.44 +59 25 57.0 c B09
2007-04-27 21:51:20 C 15 03 32.58 +59 26 24.1 c B09
2007-04-28 20:38:55 C 14 53 26.78 +60 30 41.5 o A27
2007-04-28 20:48:44 C 14 53 22.07 +60 31 10.6 o A27
2007-04-28 20:58:10 C 14 53 17.63 +60 31 37.8 o A27
2007-04-28 21:10:15 C 14 53 11.69 +60 32 12.8 o A27
2007-04-28 21:21:02 C 14 53 06.49 +60 32 43.7 o A27
2007-04-28 21:31:41 C 14 53 01.39 +60 33 14.1 o A27
2007-04-29 00:38:14 C 14 51 29.74 +60 42 08.8 o B09
2007-04-29 00:42:35 C 14 51 27.53 +60 42 21.3 o B09
2007-04-29 00:47:04 C 14 51 25.31 +60 42 34.0 o B09
2007-04-29 00:53:17 C 14 51 22.26 +60 42 51.4 o B09
2007-04-29 20:24:44 C 14 41 23.94 +61 37 55.5 o A27
2007-04-29 20:28:16 C 14 41 21.99 +61 38 05.0 o A27
2007-04-29 20:39:45 C 14 41 15.76 +61 38 38.0 o A27
2007-04-29 20:46:50 C 14 41 11.88 +61 38 58.0 o A27
2007-04-29 20:57:35 C 14 41 05.91 +61 39 29.2 o A27
2007-05-02 20:56:23 C 13 52 13.67 +64 50 59.9 c 127
2007-05-02 21:03:03 C 13 52 08.03 +64 51 16.1 c 127
2007-05-02 21:07:07 C 13 52 04.57 +64 51 26.0 c 127
2007-05-03 20:37:03 C 13 31 09.04 +65 43 34.5 c 127
2007-05-03 20:41:10 C 13 31 05.14 +65 43 43.2 c 127
2007-05-03 20:46:20 C 13 31 00.16 +65 43 53.9 c 127
2007-05-03 20:55:01 C 13 30 51.71 +65 44 11.8 c 127
2007-05-07 00:52:02 C 12 04 35.50 +67 06 51.9 o H98
2007-05-07 01:08:53 C 12 04 13.25 +67 06 50.0 o H98
2007-05-07 01:12:54 C 12 04 07.94 +67 06 49.0 o H98
2007-05-07 01:16:33 C 12 04 03.26 +67 06 49.0 o H98
2007-05-07 13:15:23 C 11 48 17.44 +67 01 54.4 m 379