2025 HW42

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4261189608 ± 1.03e-07
Semi-major axis (a)2.2131686428 AU ± 1.95e-08
Inclination (i)2.52464039° ± 3.41e-06
Long. of Asc. Node (Ω)276.60377483° ± 1.00e-04
Arg. of Perihelion (ω)21.39361458° ± 9.62e-05
Mean Anomaly (M)27.65932661° ± 3.62e-05
Mean Motion (n)0.2993577553°/day ± 3.96e-09
Perihelion dist (q)1.27009552 AU ± 2.28e-07
Aphelion dist (Q)3.15624176 AU ± 2.30e-07
Orbital Period3.29246951 yr ± 4.35e-08
Physical Parameters
H (abs. magnitude)20.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.111″
Uncertainty0
Orbit TypeAmor
MOID0.252959 AU
Observations Used50
Oppositions9
Arc Total2012-2025
First Observation Used2012-09-26
Last Observation Used2025-06-26
Observations (56)
Date Type RA Dec Mag Band Observatory
2012-09-26 09:16:49 C 00 53 56.381 +12 59 31.97 V F51
2012-09-26 09:34:31 C 00 53 55.515 +12 59 26.11 V F51
2012-09-26 12:02:43 C 00 53 48.196 +12 58 37.14 V F51
2012-09-26 12:18:33 C 00 53 47.411 +12 58 31.85 V F51
2012-10-09 06:35:42 C 00 40 32.88 +11 09 11.8 r G96
2012-10-09 06:51:04 C 00 40 32.19 +11 09 06.2 r G96
2012-10-09 07:06:27 C 00 40 31.54 +11 09 00.7 r G96
2012-10-09 07:21:48 C 00 40 30.90 +11 08 54.8 r G96
2012-10-09 08:19:57 C 00 40 29.068 +11 08 36.19 V F51
2012-10-09 08:40:16 C 00 40 28.205 +11 08 28.82 V F51
2012-10-09 09:00:43 C 00 40 27.344 +11 08 21.51 V F51
2012-10-09 09:21:22 C 00 40 26.462 +11 08 14.03 V F51
2012-11-04 05:53:06 C 00 27 12.220 +08 11 57.02 V F51
2012-11-04 06:13:24 C 00 27 12.123 +08 11 53.68 V F51
2012-11-04 06:33:42 C 00 27 12.027 +08 11 50.08 V F51
2012-11-04 06:54:05 C 00 27 11.942 +08 11 46.94 V F51
2022-10-17 12:31:59 C 03 00 15.791 +21 34 34.94 V F52
2022-10-17 12:51:28 C 03 00 14.715 +21 34 30.27 V F52
2022-10-17 13:10:54 C 03 00 13.649 +21 34 25.39 V F52
2022-10-17 13:30:27 C 03 00 12.547 +21 34 20.66 V F52
2022-10-31 07:38:54 C 02 41 51.507 +20 02 40.03 V F51
2022-10-31 07:58:17 C 02 41 50.373 +20 02 34.17 V F51
2022-10-31 08:17:33 C 02 41 49.253 +20 02 28.57 V F51
2022-10-31 08:36:46 C 02 41 48.147 +20 02 22.27 V F51
2025-04-25 09:42:17 C 14 44 23.745 -21 26 49.69 X F52
2025-04-25 09:58:47 C 14 44 23.081 -21 26 47.88 X F52
2025-04-25 10:15:16 C 14 44 22.435 -21 26 45.90 X F52
2025-05-02 10:23:25 C 14 37 36.072 -20 58 38.06 X F52
2025-05-02 10:39:52 C 14 37 35.291 -20 58 34.67 X F52
2025-05-02 10:56:20 C 14 37 34.506 -20 58 31.34 X F52
2025-05-02 11:12:46 C 14 37 33.724 -20 58 28.04 X F52
2025-05-19 04:41:47 C 14 19 26.346 -19 11 21.41 V G96
2025-05-19 04:49:58 C 14 19 25.936 -19 11 18.92 V G96
2025-05-19 04:58:10 C 14 19 25.511 -19 11 16.01 V G96
2025-05-19 05:06:21 C 14 19 25.104 -19 11 14.35 V G96
2025-05-19 07:20:31 C 14 19 18.937 -19 10 32.09 V I52
2025-05-19 07:25:45 C 14 19 18.772 -19 10 30.25 V I52
2025-05-19 07:30:59 C 14 19 18.476 -19 10 28.09 V I52
2025-05-25 08:48:02 C 14 13 40.091 -18 24 36.85 X F52
2025-05-25 09:03:42 C 14 13 39.469 -18 24 31.87 X F52
2025-05-25 09:19:20 C 14 13 38.846 -18 24 27.13 X F52
2025-05-25 09:35:01 C 14 13 38.232 -18 24 22.08 X F52
2025-05-29 07:54:48 C 14 10 39.405 -17 55 10.84 X F51
2025-05-29 08:13:48 C 14 10 38.787 -17 55 05.26 X F51
2025-05-29 08:32:50 C 14 10 38.159 -17 54 59.41 X F51
2025-05-29 08:51:57 C 14 10 37.541 -17 54 53.62 X F51
2025-06-18 05:21:40 C 14 07 21.925 -16 06 28.76 V I52
2025-06-18 05:55:19 C 14 07 22.336 -16 06 23.26 V I52
2025-06-18 06:18:41 C 14 07 22.602 -16 06 19.37 V I52
2025-06-22 06:55:32 C 14 09 27.046 -15 55 59.87 X F51