IAA RAS IAA Minor Planet Database

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
2016-05-02 21:40:25 C 12 42 17.82 +57 33 42.4 – q 006
2016-05-02 21:50:24 C 12 42 12.86 +57 33 39.2 – q 006
2016-05-04 06:23:50 C 12 25 50.65 +57 15 01.2 – q H45
2016-05-04 06:25:13 C 12 25 49.96 +57 15 00.1 – q H45
2016-05-04 06:27:18 C 12 25 48.86 +57 14 58.6 – q H45
2016-05-04 06:28:20 C 12 25 48.35 +57 14 57.7 – q H45
2016-05-04 06:29:15 C 12 25 47.86 +57 14 57.0 – q H45
2016-05-04 06:30:12 C 12 25 47.36 +57 14 56.4 – q H45
2016-05-04 08:16:03 C 12 24 55.03 +57 13 47.8 – L T05
2016-05-04 08:23:44 C 12 24 51.07 +57 13 42.1 – L T05
2016-05-04 08:49:32 C 12 24 37.60 +57 13 22.1 – L T05
2016-05-04 09:03:07 C 12 24 30.54 +57 13 11.7 – L T05
2016-05-05 05:51:17 C 12 13 52.58 +56 55 11.2 – q H45
2016-05-05 05:52:14 C 12 13 52.12 +56 55 10.1 – q H45
2016-05-05 05:53:05 C 12 13 51.66 +56 55 09.4 – q H45
2016-05-05 05:54:00 C 12 13 51.18 +56 55 08.4 – q H45
2016-05-05 05:55:18 C 12 13 50.52 +56 55 07.1 – q H45
2016-05-05 05:56:08 C 12 13 50.08 +56 55 06.2 – q H45
2016-05-05 13:50:18 S 12 09 49.27 +56 46 55.9 – L C51
2016-05-05 16:58:59 S 12 08 12.31 +56 43 35.3 – L C51
2016-05-05 18:33:14 S 12 07 23.88 +56 41 52.7 – L C51
2016-05-05 20:07:40 S 12 06 35.28 +56 40 08.4 – L C51
2016-05-05 21:41:55 S 12 05 46.81 +56 38 22.7 – L C51
2016-05-06 00:50:36 S 12 04 09.71 +56 34 46.6 – L C51
2016-05-06 19:56:53 C 11 54 18.22 +56 10 48.3 – o 461
2016-05-06 19:57:35 C 11 54 17.85 +56 10 47.4 – o 461
2016-05-06 19:58:41 C 11 54 17.27 +56 10 45.8 – o 461
2016-05-06 19:59:37 C 11 54 16.78 +56 10 44.6 – o 461
2016-05-06 20:00:16 C 11 54 16.43 +56 10 43.7 – o 461
2016-05-06 20:01:22 C 11 54 15.86 +56 10 42.2 – o 461
2016-05-06 20:02:17 C 11 54 15.38 +56 10 40.9 – o 461
2016-05-06 20:02:57 C 11 54 15.04 +56 10 40.0 – o 461
2016-05-06 20:04:03 C 11 54 14.48 +56 10 38.5 – o 461
2016-05-06 20:04:57 C 11 54 13.98 +56 10 37.2 – o 461
2016-05-06 20:05:39 C 11 54 13.64 +56 10 36.3 – o 461
2016-05-06 20:06:44 C 11 54 13.08 +56 10 34.8 – o 461
2016-05-06 21:34:36 C 11 53 26.60 +56 08 22.3 – q 168
2016-05-06 21:38:16 C 11 53 24.69 +56 08 17.0 – q 168
2016-05-06 22:16:46 C 11 53 04.80 +56 07 21.5 – q 168
2016-05-07 04:35:17 C 11 49 50.71 +55 58 40.0 – q H45
2016-05-07 04:36:12 C 11 49 50.24 +55 58 38.6 – q H45
2016-05-07 04:39:12 C 11 49 48.66 +55 58 34.0 – q H45
2016-05-07 04:40:36 C 11 49 47.90 +55 58 31.9 – q H45
2016-05-07 04:41:39 C 11 49 47.35 +55 58 30.4 – q H45
2016-05-07 04:42:41 C 11 49 46.82 +55 58 28.8 – q H45
2016-05-07 08:01:22 C 11 48 05.18 +55 53 42.4 – L T05
2016-05-07 08:02:45 C 11 48 04.43 +55 53 40.4 – L T05
2016-05-07 08:17:26 C 11 47 56.74 +55 53 18.1 – L T05
2016-05-07 08:41:05 C 11 47 44.24 +55 52 41.7 – L T05
2016-05-07 21:48:56 C 11 40 59.71 +55 31 38.7 – q 168