2025 SD38

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5400683050 ± 6.53e-04
Semi-major axis (a)2.3280903890 AU ± 3.47e-03
Inclination (i)1.08763490° ± 1.02e-03
Long. of Asc. Node (Ω)66.18493687° ± 4.19e-03
Arg. of Perihelion (ω)314.69974499° ± 5.79e-03
Mean Anomaly (M)10.84565959° ± 2.35e-02
Mean Motion (n)0.2774677543°/day ± 6.21e-04
Perihelion dist (q)1.07076256 AU ± 2.21e-03
Aphelion dist (Q)3.58541822 AU ± 5.56e-03
Orbital Period3.55221920 yr ± 7.95e-03
Physical Parameters
H (abs. magnitude)26.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.140″
Uncertainty2
Orbit TypeAmor
MOID0.072816 AU
Observations Used18
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-29
Last Observation Used2025-10-24
Observations (18)
Date Type RA Dec Mag Band Observatory
2025-09-29 09:45:35 C 00 39 09.403 -09 13 43.43 X F52
2025-09-29 10:01:13 C 00 39 14.344 -09 13 11.95 X F52
2025-09-29 10:16:54 C 00 39 19.351 -09 12 40.07 X F52
2025-09-29 10:32:37 C 00 39 24.326 -09 12 08.37 X F52
2025-09-29 12:10:55 C 00 39 55.603 -09 08 47.39 V F52
2025-09-29 12:12:04 C 00 39 55.993 -09 08 44.88 V F52
2025-09-30 06:44:31 C 00 46 30.652 -08 30 25.52 V V06
2025-09-30 06:47:09 C 00 46 31.523 -08 30 19.80 V V06
2025-09-30 06:49:48 C 00 46 32.390 -08 30 14.15 V V06
2025-09-30 06:52:26 C 00 46 33.258 -08 30 08.53 V V06
2025-09-30 09:53:04 C 00 47 37.646 -08 23 22.47 V T14
2025-09-30 09:54:28 C 00 47 38.104 -08 23 19.47 V T14
2025-09-30 09:55:52 C 00 47 38.559 -08 23 16.49 V T14
2025-10-02 03:01:27 C 01 02 40.230 -06 49 04.60 V 807
2025-10-02 03:12:21 C 01 02 44.000 -06 48 39.20 V 807
2025-10-02 03:23:15 C 01 02 47.790 -06 48 13.00 V 807
2025-10-24 07:41:06 C 04 01 46.68 +14 02 05.1 V H21
2025-10-24 07:53:35 C 04 01 49.10 +14 02 23.7 V H21