523589 (2001 HA4)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7934329763 ± 3.36e-08
Semi-major axis (a)2.6901222291 AU ± 1.33e-09
Inclination (i)17.17764414° ± 1.22e-05
Long. of Asc. Node (Ω)353.95168582° ± 1.68e-05
Arg. of Perihelion (ω)95.72305914° ± 1.57e-05
Mean Anomaly (M)224.25374346° ± 1.71e-06
Mean Motion (n)0.2233851280°/day ± 1.66e-10
Perihelion dist (q)0.55569054 AU ± 9.04e-08
Aphelion dist (Q)4.82455392 AU ± 9.05e-08
Orbital Period4.41222875 yr ± 3.28e-09
Physical Parameters
H (abs. magnitude)17.79
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.348″
Uncertainty0
Orbit TypeApollo
MOID0.024721 AU
Observations Used200
Oppositions17
Arc Total2001-2023
First Observation Used2001-04-16
Last Observation Used2023-05-24
Observations (243)
Date Type RA Dec Mag Band Observatory
2023-04-26 03:29:17 C 09 35 04.175 -02 28 30.07 V 703
2023-04-26 03:30:55 C 09 35 04.495 -02 28 32.77 V 703
2023-04-26 03:32:35 C 09 35 04.848 -02 28 35.58 V 703
2023-04-26 03:34:15 C 09 35 05.143 -02 28 37.49 V 703
2023-04-28 03:11:32 C 09 44 17.074 -03 29 07.15 V 703
2023-04-28 03:13:31 C 09 44 17.509 -03 29 10.86 V 703
2023-04-28 03:15:31 C 09 44 17.804 -03 29 12.62 V 703
2023-04-28 03:17:31 C 09 44 18.186 -03 29 14.86 V 703
2023-05-11 11:02:13 S 10 30 14.14 -08 09 39.2 L C51
2023-05-11 14:09:04 S 10 30 35.50 -08 11 39.8 L C51
2023-05-11 17:16:06 S 10 30 56.78 -08 13 39.7 L C51
2023-05-11 20:23:09 S 10 31 17.99 -08 15 38.7 L C51
2023-05-12 02:37:13 S 10 32 00.18 -08 19 35.7 L C51
2023-05-12 08:51:06 S 10 32 42.13 -08 23 29.4 L C51
2023-05-12 11:58:07 S 10 33 02.93 -08 25 26.3 L C51
2023-05-12 15:05:54 S 10 33 23.80 -08 27 23.5 L C51
2023-05-12 16:39:25 S 10 33 34.19 -08 28 20.1 L C51
2023-05-12 18:12:55 S 10 33 44.51 -08 29 18.5 L C51
2023-05-12 19:46:16 S 10 33 54.80 -08 30 15.7 L C51
2023-05-12 19:46:26 S 10 33 54.84 -08 30 16.0 L C51
2023-05-13 00:26:48 S 10 34 25.71 -08 33 07.7 L C51
2023-05-13 02:00:19 S 10 34 35.96 -08 34 03.9 L C51
2023-05-13 03:33:06 S 10 34 46.10 -08 35 00.1 L C51
2023-05-13 05:07:22 S 10 34 56.42 -08 35 57.9 L C51
2023-05-13 06:40:52 S 10 35 06.64 -08 36 54.3 L C51
2023-05-13 08:14:23 S 10 35 16.84 -08 37 50.8 L C51
2023-05-13 09:47:44 S 10 35 27.04 -08 38 46.4 L C51
2023-05-13 09:47:54 S 10 35 27.00 -08 38 46.8 L C51
2023-05-13 11:20:30 S 10 35 37.07 -08 39 41.9 L C51
2023-05-13 11:20:42 S 10 35 37.07 -08 39 42.3 L C51
2023-05-13 14:28:16 S 10 35 57.42 -08 41 34.6 L C51
2023-05-13 17:35:19 S 10 36 17.63 -08 43 26.3 L C51
2023-05-13 20:42:20 S 10 36 37.78 -08 45 17.1 L C51
2023-05-13 23:49:11 S 10 36 57.85 -08 47 07.3 L C51
2023-05-13 23:49:23 S 10 36 57.86 -08 47 07.4 L C51
2023-05-14 02:56:13 S 10 37 17.87 -08 48 57.2 L C51
2023-05-14 06:03:16 S 10 37 37.82 -08 50 46.6 L C51
2023-05-14 09:10:17 S 10 37 57.69 -08 52 34.9 L C51
2023-05-14 12:16:36 S 10 38 17.42 -08 54 22.6 L C51
2023-05-14 15:24:11 S 10 38 37.28 -08 56 11.6 L C51
2023-05-24 04:32:55 C 11 00 33.430 -10 51 09.94 V G96
2023-05-24 04:49:27 C 11 00 34.816 -10 51 17.50 V G96
2023-05-24 04:57:45 C 11 00 35.564 -10 51 20.45 V G96