2025 HS4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5311154504 ± 5.29e-06
Semi-major axis (a)2.0063021085 AU ± 2.12e-05
Inclination (i)8.51769041° ± 6.20e-05
Long. of Asc. Node (Ω)60.87136883° ± 1.04e-04
Arg. of Perihelion (ω)209.33220717° ± 8.79e-05
Mean Anomaly (M)51.32920402° ± 8.22e-04
Mean Motion (n)0.3468308991°/day ± 5.50e-06
Perihelion dist (q)0.94072406 AU ± 1.45e-05
Aphelion dist (Q)3.07188016 AU ± 3.42e-05
Orbital Period2.84180644 yr ± 4.51e-05
Physical Parameters
H (abs. magnitude)22.34
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.118″
Uncertainty0
Orbit TypeApollo
MOID0.016749 AU
Observations Used40
Oppositions1
Arc Total2025-2025
First Observation Used2025-04-25
Last Observation Used2025-09-28
Observations (42)
Date Type RA Dec Mag Band Observatory
2025-04-25 04:29:15 C 11 01 30.990 +27 22 20.78 V V00
2025-04-25 04:37:21 C 11 01 30.266 +27 22 18.44 V V00
2025-04-25 04:45:25 C 11 01 29.550 +27 22 16.32 V V00
2025-04-25 04:53:30 C 11 01 28.844 +27 22 14.12 V V00
2025-04-25 06:20:28 C 11 01 21.072 +27 21 47.48 W H01
2025-04-25 06:27:47 C 11 01 20.422 +27 21 45.33 W H01
2025-04-25 07:20:09 C 11 01 15.960 +27 21 30.00 V 691
2025-04-25 08:03:52 C 11 01 12.220 +27 21 16.50 V 691
2025-04-26 03:05:28 C 10 59 41.593 +27 15 46.19 V V06
2025-04-26 03:10:02 C 10 59 41.208 +27 15 44.89 V V06
2025-04-26 03:14:37 C 10 59 40.812 +27 15 43.49 V V06
2025-04-26 03:19:11 C 10 59 40.398 +27 15 42.16 V V06
2025-04-27 03:19:30 C 10 57 45.799 +27 07 53.29 V V06
2025-04-27 03:25:13 C 10 57 45.288 +27 07 51.42 V V06
2025-04-27 03:30:56 C 10 57 44.795 +27 07 49.66 V V06
2025-04-27 03:36:39 C 10 57 44.312 +27 07 47.75 V V06
2025-04-27 03:40:40 C 10 57 43.852 +27 07 45.33 W H01
2025-04-27 03:50:21 C 10 57 43.038 +27 07 42.07 W H01
2025-04-27 04:01:03 C 10 57 42.135 +27 07 38.67 W H01
2025-04-27 04:12:15 C 10 57 41.148 +27 07 34.55 W H01
2025-04-27 08:56:27 C 10 57 18.108 +27 06 00.56 V T12
2025-04-27 09:01:46 C 10 57 17.655 +27 05 58.53 V T12
2025-04-27 09:07:07 C 10 57 17.204 +27 05 56.54 V T12
2025-04-27 09:12:35 C 10 57 16.738 +27 05 54.50 V T12
2025-04-29 03:07:43 C 10 54 04.482 +26 49 47.35 V V06
2025-04-29 03:12:17 C 10 54 04.100 +26 49 45.41 V V06
2025-04-29 03:16:52 C 10 54 03.719 +26 49 43.64 V V06
2025-04-29 03:21:26 C 10 54 03.352 +26 49 41.59 V V06
2025-05-11 05:07:24 C 10 34 55.68 +23 50 02.1 V 695
2025-05-11 05:34:39 C 10 34 53.94 +23 49 38.8 V 695
2025-05-11 06:01:54 C 10 34 52.23 +23 49 15.6 V 695
2025-05-20 04:14:19 C 10 23 17.120 +20 19 36.59 V V06
2025-05-20 04:23:25 C 10 23 16.573 +20 19 26.11 V V06
2025-05-20 04:32:33 C 10 23 16.019 +20 19 15.28 V V06
2025-05-20 04:41:41 C 10 23 15.493 +20 19 04.58 V V06
2025-05-22 03:28:10 C 10 20 48.397 +19 23 48.23 V V06
2025-05-22 03:33:53 C 10 20 48.059 +19 23 41.35 V V06
2025-05-22 03:39:36 C 10 20 47.713 +19 23 34.19 V V06
2025-05-22 03:45:20 C 10 20 47.375 +19 23 26.95 V V06
2025-09-28 02:22:55 C 00 13 20.000 -23 27 26.60 V 807
2025-09-28 02:41:28 C 00 13 18.660 -23 27 12.40 V 807
2025-09-28 03:00:28 C 00 13 17.330 -23 26 57.80 V 807