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
2012-01-19 15:46:28 C 14 25 56.984 +38 59 33.88 L F51
2012-01-29 11:12:32 C 14 36 25.99 +41 35 33.4 r 703
2012-01-29 11:22:12 C 14 36 26.38 +41 35 40.9 r 703
2012-01-29 11:32:02 C 14 36 26.67 +41 35 48.8 r 703
2012-01-29 11:41:47 C 14 36 27.03 +41 35 56.9 r 703
2012-02-16 15:31:21 C 14 45 34.697 +47 42 20.70 L F51
2012-02-16 15:47:38 C 14 45 34.651 +47 42 35.66 L F51
2012-02-28 09:18:03 C 14 40 31.29 +52 16 45.6 19.6 c 704
2012-02-28 09:35:09 C 14 40 30.58 +52 17 01.8 20.2 c 704
2012-02-28 09:52:17 C 14 40 29.80 +52 17 19.9 19.7 c 704
2012-03-14 01:30:44 C 14 15 00.82 +57 47 05.2 c A24
2012-03-14 01:32:48 C 14 15 00.62 +57 47 06.1 c A24
2012-03-14 02:28:18 C 14 14 54.22 +57 47 52.7 c A24
2012-03-14 02:30:22 C 14 14 54.07 +57 47 54.4 c A24
2012-03-15 00:56:33 C 14 12 22.93 +58 06 20.6 c A24
2012-03-15 00:58:38 C 14 12 22.66 +58 06 22.0 c A24
2012-03-15 01:17:17 C 14 12 20.43 +58 06 37.2 c A24
2012-03-15 01:36:27 C 14 12 18.16 +58 06 52.8 c A24
2012-03-15 01:55:05 C 14 12 15.97 +58 07 08.1 c A24
2012-03-15 01:57:10 C 14 12 15.75 +58 07 09.4 c A24
2012-03-26 23:51:49 C 13 30 18.66 +61 03 20.8 c A24
2012-03-26 23:53:52 C 13 30 18.14 +61 03 22.2 c A24
2012-03-27 00:15:25 C 13 30 14.32 +61 03 30.2 c A24
2012-03-27 00:58:59 C 13 30 06.62 +61 03 46.8 c A24
2012-03-27 01:01:05 C 13 30 06.22 +61 03 47.4 c A24
2012-03-27 21:07:35 C 13 26 33.92 +61 10 54.0 c A24
2012-03-27 21:09:39 C 13 26 33.56 +61 10 54.9 c A24
2012-03-28 23:29:19 C 13 21 49.03 +61 19 03.6 c A24
2012-03-28 23:31:24 C 13 21 48.64 +61 19 03.6 c A24
2012-03-28 23:52:56 C 13 21 44.67 +61 19 09.8 c A24
2012-03-29 00:15:00 C 13 21 40.64 +61 19 15.8 c A24
2012-03-29 00:36:33 C 13 21 36.54 +61 19 22.4 c A24
2012-03-29 00:38:38 C 13 21 36.16 +61 19 23.2 c A24
2012-04-01 09:53:51 C 13 06 29.187 +61 35 00.47 L F51
2012-04-01 09:57:48 C 13 06 28.419 +61 35 00.89 L F51
2012-04-01 10:13:30 C 13 06 25.359 +61 35 02.59 L F51
2012-04-01 10:17:30 C 13 06 24.595 +61 35 03.06 L F51
2012-04-20 23:01:31 C 11 43 20.95 +58 22 04.5 c A24
2012-04-20 23:03:35 C 11 43 20.59 +58 22 01.8 c A24
2012-04-20 23:28:34 C 11 43 17.00 +58 21 39.7 c A24
2012-04-20 23:54:04 C 11 43 13.38 +58 21 17.6 c A24
2012-04-21 00:19:03 C 11 43 09.86 +58 20 55.2 c A24
2012-04-21 00:21:08 C 11 43 09.40 +58 20 53.5 c A24
2012-04-22 06:22:25 C 11 38 59.64 +57 53 52.0 r 703
2012-04-22 06:30:29 C 11 38 58.45 +57 53 45.4 r 703
2012-04-22 06:38:36 C 11 38 57.30 +57 53 37.2 r 703
2012-04-22 06:46:41 C 11 38 56.29 +57 53 30.0 r 703
2012-04-24 20:51:07 C 11 30 56.34 +56 53 10.3 u C73
2012-04-24 20:52:17 C 11 30 56.23 +56 53 09.1 u C73
2012-04-24 20:53:27 C 11 30 56.04 +56 53 08.0 u C73