2025 QS4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3226250879 ± 1.32e-04
Semi-major axis (a)1.2549730281 AU ± 1.70e-04
Inclination (i)1.03075045° ± 4.20e-04
Long. of Asc. Node (Ω)347.74383894° ± 4.38e-04
Arg. of Perihelion (ω)265.25027219° ± 5.73e-04
Mean Anomaly (M)107.03109025° ± 2.54e-02
Mean Motion (n)0.7010688778°/day ± 1.42e-04
Perihelion dist (q)0.85008724 AU ± 2.02e-04
Aphelion dist (Q)1.65985881 AU ± 2.80e-04
Orbital Period1.40589080 yr ± 2.86e-04
Physical Parameters
H (abs. magnitude)25.25
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.201″
Uncertainty2
Orbit TypeApollo
MOID0.005647 AU
Observations Used39
Oppositions1
Arc Total2025-2025
First Observation Used2025-08-23
Last Observation Used2025-09-13
Observations (40)
Date Type RA Dec Mag Band Observatory
2025-08-23 11:55:26 C 23 39 36.744 -09 30 03.70 X F51
2025-08-23 12:11:02 C 23 39 30.393 -09 29 55.70 X F51
2025-08-23 12:42:26 C 23 39 17.672 -09 29 39.38 X F51
2025-08-23 14:05:05 C 23 38 44.779 -09 28 54.17 V F51
2025-08-23 14:06:01 C 23 38 44.393 -09 28 53.57 V F51
2025-08-23 21:51:41 C 23 36 18.619 -09 26 12.10 X 033
2025-08-23 21:52:14 C 23 36 18.468 -09 26 12.20 X 033
2025-08-23 21:52:47 C 23 36 18.310 -09 26 12.20 X 033
2025-08-23 21:53:19 C 23 36 18.097 -09 26 11.90 X 033
2025-08-23 23:34:15 B 23 35 44.25 -09 25 14.9 X I93
2025-08-23 23:37:58 B 23 35 42.91 -09 25 13.0 X I93
2025-08-23 23:41:26 B 23 35 41.64 -09 25 11.7 X I93
2025-08-24 04:13:16 C 23 34 16.610 -09 19 40.20 V 807
2025-08-24 04:22:17 C 23 34 13.24 -09 19 58.5 V W94
2025-08-24 04:24:33 C 23 34 12.650 -09 19 35.70 V 807
2025-08-24 04:31:17 C 23 34 10.12 -09 19 54.6 V W94
2025-08-24 04:35:49 C 23 34 08.680 -09 19 31.10 V 807
2025-08-24 04:40:16 C 23 34 06.95 -09 19 50.5 V W94
2025-08-24 05:44:01 C 23 33 47.15 -09 22 13.7 V H21
2025-08-24 05:48:02 C 23 33 45.77 -09 22 11.9 V H21
2025-08-24 05:52:04 C 23 33 44.37 -09 22 10.5 V H21
2025-08-24 05:56:05 C 23 33 42.98 -09 22 08.8 V H21
2025-08-24 07:52:40 C 23 33 06.624 -09 21 01.94 V I52
2025-08-24 07:56:21 C 23 33 05.346 -09 21 00.32 V I52
2025-08-24 07:59:57 C 23 33 04.100 -09 20 59.17 V I52
2025-08-24 08:03:37 C 23 33 02.826 -09 20 57.34 V I52
2025-08-24 21:40:33 C 23 29 11.79 -09 15 23.4 V 104
2025-08-24 21:48:06 C 23 29 09.10 -09 15 23.4 X L01
2025-08-24 21:49:37 C 23 29 09.06 -09 15 20.5 V 104
2025-08-24 21:50:32 C 23 29 08.38 -09 15 22.7 X L01
2025-08-24 21:52:58 C 23 29 07.67 -09 15 21.3 X L01
2025-08-24 21:58:33 C 23 29 06.35 -09 15 16.4 V 104
2025-08-25 00:14:19 B 23 28 25.361 -09 14 34.37 Z K74
2025-08-25 00:38:58 B 23 28 17.981 -09 14 24.29 Z K74
2025-08-25 01:03:36 B 23 28 10.639 -09 14 14.17 Z K74
2025-08-25 03:56:48 C 23 27 30.600 -09 09 47.80 V 807
2025-08-25 04:08:04 C 23 27 27.260 -09 09 43.80 V 807
2025-08-25 04:19:21 C 23 27 23.900 -09 09 39.80 V 807
2025-09-13 04:00:06 C 22 43 42.73 -07 55 33.3 V H21
2025-09-13 04:12:34 C 22 43 42.23 -07 55 32.2 V H21