2025 HW1

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6066745884 ± 1.74e-04
Semi-major axis (a)1.3833264436 AU ± 4.12e-04
Inclination (i)1.16012247° ± 3.37e-04
Long. of Asc. Node (Ω)43.70111633° ± 1.14e-04
Arg. of Perihelion (ω)277.55663944° ± 5.94e-04
Mean Anomaly (M)92.71176358° ± 3.63e-02
Mean Motion (n)0.6057944046°/day ± 2.71e-04
Perihelion dist (q)0.54409744 AU ± 2.90e-04
Aphelion dist (Q)2.22255544 AU ± 7.05e-04
Orbital Period1.62699800 yr ± 7.27e-04
Physical Parameters
H (abs. magnitude)25.69
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.176″
Uncertainty2
Orbit TypeApollo
MOID0.001784 AU
Observations Used49
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-22
Last Observation Used2025-04-28
Observations (52)
Date Type RA Dec Mag Band Observatory
2025-04-22 09:42:16 C 15 15 20.704 -14 57 52.27 V G96
2025-04-22 09:49:42 C 15 15 21.798 -14 57 52.92 V G96
2025-04-22 09:57:06 C 15 15 22.896 -14 57 53.78 V G96
2025-04-22 10:04:32 C 15 15 24.059 -14 57 54.97 V G96
2025-04-22 10:42:01 C 15 15 29.747 -14 57 58.03 V G96
2025-04-22 11:02:38 C 15 15 32.970 -14 58 01.60 V G96
2025-04-22 11:37:37 C 15 15 38.538 -14 58 03.79 V I52
2025-04-22 11:39:27 C 15 15 38.797 -14 58 04.19 V I52
2025-04-22 11:41:17 C 15 15 39.064 -14 58 04.33 V I52
2025-04-22 11:43:07 C 15 15 39.377 -14 58 04.44 V I52
2025-04-22 13:16:03 C 15 16 02.755 -14 55 57.43 W 474
2025-04-22 13:30:12 C 15 16 05.086 -14 56 00.64 W 474
2025-04-22 13:44:21 C 15 16 07.301 -14 56 02.18 W 474
2025-04-23 04:54:11 C 15 19 18.990 -14 58 58.00 V 807
2025-04-23 04:57:06 C 15 19 19.570 -14 58 58.60 V 807
2025-04-23 05:00:01 C 15 19 20.140 -14 58 59.30 V 807
2025-04-23 08:17:33 C 15 20 05.662 -15 01 56.17 V I52
2025-04-23 08:21:21 C 15 20 06.428 -15 01 57.40 V I52
2025-04-23 08:25:08 C 15 20 07.220 -15 01 57.90 V I52
2025-04-23 08:28:55 C 15 20 07.994 -15 01 58.73 V I52
2025-04-23 23:17:59 B 15 24 11.72 -15 05 30.4 X M45
2025-04-23 23:22:46 B 15 24 13.07 -15 05 31.6 X M45
2025-04-23 23:27:34 B 15 24 14.36 -15 05 32.6 X M45
2025-04-24 00:52:23 C 15 24 41.162 -15 05 48.12 Z 213
2025-04-24 01:11:04 C 15 24 46.423 -15 05 52.12 Z 213
2025-04-24 01:12:07 C 15 24 47.508 -15 05 44.50 V Z84
2025-04-24 01:19:52 C 15 24 49.671 -15 05 46.38 V Z84
2025-04-24 02:07:16 C 15 25 02.398 -15 06 03.31 Z 213
2025-04-24 05:12:57 C 15 26 08.390 -15 03 44.80 V 807
2025-04-24 05:15:45 C 15 26 09.230 -15 03 45.60 V 807
2025-04-24 05:18:40 C 15 26 10.100 -15 03 46.20 V 807
2025-04-24 12:41:19 C 15 28 47.233 -15 07 57.53 X F51
2025-04-24 12:56:48 C 15 28 52.549 -15 08 00.60 X F51
2025-04-24 13:12:19 C 15 28 57.913 -15 08 03.55 X F51
2025-04-24 13:27:48 C 15 29 03.321 -15 08 06.31 X F51
2025-04-26 06:05:40 C 15 55 47.010 -15 19 57.76 V I52
2025-04-26 06:05:55 C 15 55 47.276 -15 19 57.97 V I52
2025-04-26 06:06:10 C 15 55 47.503 -15 19 58.04 V I52
2025-04-26 06:06:24 C 15 55 47.752 -15 19 57.22 V I52
2025-04-27 08:58:06 C 16 43 54.635 -15 11 15.68 V I52
2025-04-27 08:58:21 C 16 43 55.319 -15 11 15.68 V I52
2025-04-27 09:00:29 C 16 44 01.460 -15 11 11.83 V I52
2025-04-27 09:00:44 C 16 44 02.170 -15 11 11.58 V I52
2025-04-27 10:54:10 C 16 50 08.545 -15 05 43.11 V T12
2025-04-27 10:54:35 C 16 50 09.850 -15 05 42.28 V T12
2025-04-27 10:54:59 C 16 50 11.120 -15 05 41.46 V T12
2025-04-27 10:55:24 C 16 50 12.465 -15 05 40.60 V T12
2025-04-27 10:58:48 C 16 50 23.248 -15 05 33.55 V T12
2025-04-28 10:52:13 C 19 30 03.804 -09 57 57.46 V U52
2025-04-28 11:08:43 C 19 33 11.971 -09 48 12.74 V U52