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
2021-11-29 11:14:40 S 12 10 35.83 +51 17 02.3 L C51
2021-11-29 14:23:32 S 12 10 57.58 +51 21 42.0 L C51
2021-11-29 15:57:35 S 12 11 08.36 +51 24 01.8 L C51
2021-11-29 22:13:52 S 12 11 51.40 +51 33 18.0 L C51
2021-12-06 10:28:46 C 12 29 33.33 +55 23 00.9 V 703
2021-12-06 10:36:43 C 12 29 34.34 +55 23 12.1 V 703
2021-12-06 10:44:39 C 12 29 35.13 +55 23 24.7 V 703
2021-12-06 10:52:37 C 12 29 35.98 +55 23 36.3 V 703
2021-12-06 10:59:55 C 12 29 36.71 +55 23 46.9 V 703
2021-12-06 11:07:47 C 12 29 37.60 +55 23 57.7 V 703
2021-12-06 11:15:39 C 12 29 38.46 +55 24 10.0 V 703
2021-12-06 11:23:31 C 12 29 39.29 +55 24 21.9 V 703
2021-12-12 11:03:17 C 12 45 18.08 +58 54 01.0 V 703
2021-12-12 11:11:07 C 12 45 18.87 +58 54 13.0 V 703
2021-12-12 11:18:57 C 12 45 19.73 +58 54 24.5 V 703
2021-12-12 11:26:47 C 12 45 20.49 +58 54 36.0 V 703
2021-12-14 14:42:10 C 12 50 44.31 +60 09 04.4 V T08
2021-12-14 14:48:09 C 12 50 44.90 +60 09 13.0 V T08
2021-12-14 14:58:18 C 12 50 46.00 +60 09 28.2 V T08
2021-12-14 15:25:13 C 12 50 48.58 +60 10 07.8 V T08
2021-12-16 15:46:44 C 12 55 47.71 +61 20 09.9 V T05
2021-12-16 15:52:49 C 12 55 48.28 +61 20 19.1 V T05
2021-12-16 15:58:27 C 12 55 48.84 +61 20 27.2 V T05
2021-12-16 16:01:05 C 12 55 49.05 +61 20 30.7 V T05
2021-12-18 14:14:15 C 13 00 29.03 +62 27 12.1 V T08
2021-12-18 14:26:13 C 13 00 30.12 +62 27 32.1 V T08
2021-12-18 14:31:34 C 13 00 30.65 +62 27 39.8 V T08
2021-12-18 14:38:13 C 13 00 31.25 +62 27 48.3 V T08
2022-01-09 14:44:43 C 13 39 51.50 +74 48 24.9 V T05
2022-01-09 14:49:20 C 13 39 51.67 +74 48 32.0 V T05
2022-01-09 14:57:16 C 13 39 51.81 +74 48 42.4 V T05
2022-01-09 15:13:19 C 13 39 52.04 +74 49 03.5 V T05
2022-01-11 11:46:33 C 13 41 00.08 +75 48 09.1 V T08
2022-01-11 11:53:19 C 13 41 00.11 +75 48 18.5 V T08
2022-01-11 12:01:24 C 13 41 00.23 +75 48 29.0 V T08
2022-01-11 12:16:45 C 13 41 00.39 +75 48 51.0 V T08
2022-01-13 13:53:13 C 13 41 26.81 +76 53 46.6 V T05
2022-01-13 14:01:47 C 13 41 26.71 +76 53 57.8 V T05
2022-01-13 14:11:45 C 13 41 26.65 +76 54 09.9 V T05
2022-01-13 14:39:42 C 13 41 26.31 +76 54 47.3 V T05
2022-01-14 12:33:01 C 13 41 20.608 +77 22 59.58 U F52
2022-01-14 12:42:14 C 13 41 20.478 +77 23 11.77 U F52
2022-01-14 12:51:30 C 13 41 20.321 +77 23 23.95 U F52
2022-01-14 13:00:44 C 13 41 20.181 +77 23 36.10 U F52
2022-01-15 14:45:39 C 13 40 54.419 +77 56 32.98 U F52
2022-01-15 14:53:02 C 13 40 54.163 +77 56 42.49 U F52
2022-01-15 15:00:25 C 13 40 53.924 +77 56 52.06 U F52
2022-02-10 05:30:40 C 08 53 43.356 +85 29 24.45 U F52
2022-02-10 05:50:05 C 08 53 27.742 +85 29 16.72 U F52
2022-02-10 06:09:19 C 08 53 12.156 +85 29 08.97 U F52