2025 HW4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1830440109 ± 2.15e-04
Semi-major axis (a)1.2738308600 AU ± 3.52e-04
Inclination (i)9.83649429° ± 9.32e-03
Long. of Asc. Node (Ω)206.76266255° ± 2.77e-03
Arg. of Perihelion (ω)298.82792577° ± 4.02e-03
Mean Anomaly (M)195.62551861° ± 8.38e-02
Mean Motion (n)0.6855586695°/day ± 2.84e-04
Perihelion dist (q)1.04066375 AU ± 3.97e-04
Aphelion dist (Q)1.50699797 AU ± 4.98e-04
Orbital Period1.43769793 yr ± 5.96e-04
Physical Parameters
H (abs. magnitude)24.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.091″
Uncertainty2
Orbit TypeAmor
MOID0.103283 AU
Observations Used19
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-25
Last Observation Used2025-04-28
Observations (20)
Date Type RA Dec Mag Band Observatory
2025-04-25 11:03:37 C 14 59 21.285 -04 28 45.02 X F51
2025-04-25 11:40:00 C 14 59 19.856 -04 27 19.58 X F51
2025-04-25 11:58:09 C 14 59 19.164 -04 26 37.11 X F51
2025-04-26 06:23:16 C 14 58 54.124 -03 44 06.94 V V06
2025-04-26 06:26:33 C 14 58 54.005 -03 43 59.66 V V06
2025-04-26 06:29:49 C 14 58 53.890 -03 43 52.10 V V06
2025-04-26 06:33:06 C 14 58 53.756 -03 43 44.44 V V06
2025-04-26 12:27:32 C 14 58 42.597 -03 30 09.02 V T14
2025-04-26 12:28:57 C 14 58 42.543 -03 30 05.78 V T14
2025-04-27 05:02:54 C 14 58 19.360 -02 52 23.60 V 807
2025-04-27 05:12:32 C 14 58 18.990 -02 52 02.30 V 807
2025-04-27 05:21:59 C 14 58 18.630 -02 51 41.40 V 807
2025-04-27 09:54:50 C 14 58 10.380 -02 42 38.41 V V06
2025-04-27 10:00:33 C 14 58 10.146 -02 42 25.52 V V06
2025-04-27 10:06:17 C 14 58 09.959 -02 42 13.39 V V06
2025-04-27 10:12:00 C 14 58 09.750 -02 42 00.94 V V06
2025-04-28 11:11:31 C 14 57 33.625 -01 48 28.16 X F51
2025-04-28 11:29:40 C 14 57 32.905 -01 47 50.14 X F51
2025-04-28 12:15:29 C 14 57 31.102 -01 46 14.02 X F51
2025-04-28 12:33:26 C 14 57 30.424 -01 45 36.90 X F51