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
2007-04-09 19:34:16 C 16 15 57.79 +43 32 53.6 r A17
2007-04-10 00:36:28 C 16 15 42.67 +43 41 11.6 c A24
2007-04-10 00:37:54 C 16 15 42.62 +43 41 14.0 c A24
2007-04-10 00:53:52 C 16 15 41.74 +43 41 40.1 c A24
2007-04-10 01:11:15 C 16 15 40.83 +43 42 08.5 c A24
2007-04-10 01:27:13 C 16 15 39.95 +43 42 34.8 c A24
2007-04-10 01:28:38 C 16 15 39.88 +43 42 36.7 c A24
2007-04-10 01:43:53 C 16 15 39.04 +43 43 01.6 c A24
2007-04-10 02:00:33 C 16 15 38.14 +43 43 28.8 c A24
2007-04-10 02:15:48 C 16 15 37.28 +43 43 53.7 c A24
2007-04-10 02:17:13 C 16 15 37.27 +43 43 56.0 c A24
2007-04-11 21:36:19 C 16 13 13.19 +44 56 08.6 c 127
2007-04-11 21:42:14 C 16 13 12.83 +44 56 19.2 c 127
2007-04-11 21:48:43 C 16 13 12.43 +44 56 30.3 c 127
2007-04-12 00:43:19 C 16 13 00.85 +45 01 36.4 17.9 r B32
2007-04-12 00:51:50 C 16 13 00.27 +45 01 50.3 17.8 r B32
2007-04-12 00:59:23 C 16 12 59.78 +45 02 03.7 17.9 r B32
2007-04-12 01:05:25 C 16 12 59.35 +45 02 14.2 17.9 r B32
2007-04-12 21:13:16 C 16 11 39.66 +45 37 22.3 c 127
2007-04-12 21:20:50 C 16 11 39.13 +45 37 35.8 c 127
2007-04-12 21:28:45 C 16 11 38.55 +45 37 50.3 c 127
2007-04-14 10:57:00 C 16 08 44.16 +46 46 18.9 r 703
2007-04-14 11:08:46 C 16 08 43.08 +46 46 40.7 r 703
2007-04-14 11:20:35 C 16 08 42.03 +46 47 02.5 r 703
2007-04-14 11:32:23 C 16 08 40.92 +46 47 24.6 r 703
2007-04-14 20:22:19 C 16 07 57.14 +47 03 48.4 c 127
2007-04-14 20:36:42 C 16 07 55.89 +47 04 15.9 c 127
2007-04-14 20:43:05 C 16 07 55.31 +47 04 28.2 c 127
2007-04-15 00:53:18 C 16 07 32.15 +47 12 34.4 c B23
2007-04-15 00:55:35 C 16 07 31.93 +47 12 38.8 c B23
2007-04-15 00:57:50 C 16 07 31.71 +47 12 43.1 c B23
2007-04-15 01:00:07 C 16 07 31.49 +47 12 47.5 c B23
2007-04-15 01:02:22 C 16 07 31.28 +47 12 51.8 c B23
2007-04-15 01:04:39 C 16 07 31.05 +47 12 56.3 c B23
2007-04-17 21:56:14 C 16 00 13.71 +49 30 46.4 c B19
2007-04-17 22:01:50 C 16 00 12.95 +49 30 59.1 c B19
2007-04-17 22:07:28 C 16 00 12.17 +49 31 11.2 c B19
2007-04-17 22:13:05 C 16 00 11.46 +49 31 22.7 c B19
2007-04-20 22:37:19 C 15 49 27.82 +52 11 50.0 c J69
2007-04-20 22:40:18 C 15 49 27.31 +52 11 57.0 c J69
2007-04-20 22:43:19 C 15 49 26.77 +52 12 04.2 c J69
2007-04-24 23:04:55 C 15 27 52.09 +56 12 20.5 c A24
2007-04-24 23:06:20 C 15 27 51.60 +56 12 24.8 c A24
2007-04-24 23:10:56 C 15 27 50.39 +56 12 36.1 c A24
2007-04-24 23:12:21 C 15 27 49.93 +56 12 40.3 c A24
2007-04-24 23:29:34 C 15 27 45.00 +56 13 26.1 c A24
2007-04-24 23:30:59 C 15 27 44.53 +56 13 30.3 c A24
2007-04-24 23:35:36 C 15 27 43.15 +56 13 42.2 c A24
2007-04-24 23:37:01 C 15 27 42.75 +56 13 46.2 c A24
2007-04-24 23:54:17 C 15 27 37.70 +56 14 32.2 c A24