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
2016-04-08 10:20:33 C 15 32 34.80 +48 17 15.7 q H45
2016-04-08 10:21:48 C 15 32 34.66 +48 17 17.3 q H45
2016-04-08 17:32:34 C 15 31 45.22 +48 27 08.5 q D29
2016-04-08 17:57:57 C 15 31 42.03 +48 27 43.9 q D29
2016-04-08 18:23:21 C 15 31 38.86 +48 28 18.5 q D29
2016-04-10 05:54:23 C 15 27 12.19 +49 17 04.8 R G45
2016-04-10 05:54:29 C 15 27 12.20 +49 17 04.8 R G45
2016-04-10 06:01:43 C 15 27 11.18 +49 17 15.1 R G45
2016-04-10 06:01:49 C 15 27 11.19 +49 17 15.2 R G45
2016-04-10 06:08:59 C 15 27 10.22 +49 17 25.4 R G45
2016-04-10 06:09:06 C 15 27 10.22 +49 17 25.3 R G45
2016-04-10 06:16:19 C 15 27 09.19 +49 17 35.8 R G45
2016-04-10 06:16:24 C 15 27 09.19 +49 17 36.2 R G45
2016-04-10 06:23:47 C 15 27 08.17 +49 17 46.4 R G45
2016-04-10 06:23:53 C 15 27 08.18 +49 17 46.6 R G45
2016-04-10 11:03:39 C 15 26 30.39 +49 24 17.1 L T05
2016-04-10 11:30:38 C 15 26 26.52 +49 24 54.5 L T05
2016-04-10 11:53:15 C 15 26 23.34 +49 25 26.6 L T05
2016-04-10 12:23:40 C 15 26 18.96 +49 26 08.7 L T05
2016-04-14 10:17:25 C 15 11 32.53 +51 35 19.1 L T05
2016-04-14 10:43:32 C 15 11 27.63 +51 35 55.2 L T05
2016-04-14 10:56:04 C 15 11 25.27 +51 36 12.3 L T05
2016-04-14 11:17:02 C 15 11 21.30 +51 36 41.5 L T05
2016-04-16 08:39:52 C 15 02 32.03 +52 37 54.5 q 703
2016-04-16 08:48:44 C 15 02 30.14 +52 38 06.3 q 703
2016-04-16 08:57:36 C 15 02 28.26 +52 38 17.8 q 703
2016-04-16 09:06:28 C 15 02 26.33 +52 38 29.6 q 703
2016-04-18 15:25:27 C 14 50 14.75 +53 49 19.3 q D29
2016-04-18 15:46:19 C 14 50 09.55 +53 49 46.0 q D29
2016-04-18 16:07:11 C 14 50 04.32 +53 50 12.9 q D29
2016-04-21 02:09:07 C 14 34 45.43 +55 00 46.8 L04
2016-04-21 02:14:14 C 14 34 43.96 +55 00 52.4 L04
2016-04-21 02:17:52 C 14 34 42.87 +55 00 56.6 L04
2016-04-24 11:31:31 C 14 09 00.046 +56 25 53.14 L F51
2016-04-24 11:49:38 C 14 08 53.567 +56 26 09.12 L F51
2016-04-24 12:30:13 C 14 08 38.959 +56 26 44.44 L F51
2016-04-30 21:11:34 C 13 05 44.05 +57 43 30.4 q 006
2016-04-30 21:21:08 C 13 05 39.53 +57 43 31.2 q 006
2016-04-30 21:27:00 C 13 05 36.81 +57 43 31.1 q 006
2016-04-30 21:33:14 C 13 05 33.74 +57 43 31.8 q 006
2016-05-01 19:45:02 C 12 55 00.31 +57 41 26.0 S K14
2016-05-01 20:02:40 C 12 54 51.63 +57 41 23.3 S K14
2016-05-01 20:27:13 C 12 54 39.56 +57 41 19.5 S K14
2016-05-02 04:23:24 C 12 50 47.57 +57 39 34.9 q H45
2016-05-02 04:24:53 C 12 50 46.85 +57 39 34.4 q H45
2016-05-02 04:26:32 C 12 50 46.01 +57 39 34.0 q H45
2016-05-02 04:27:52 C 12 50 45.33 +57 39 33.6 q H45
2016-05-02 04:29:40 C 12 50 44.44 +57 39 33.1 q H45
2016-05-02 04:31:09 C 12 50 43.71 +57 39 32.8 q H45
2016-05-02 21:34:41 C 12 42 20.78 +57 33 45.1 q 006