2025 SN

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5564006519 ± 7.65e-05
Semi-major axis (a)2.2778392674 AU ± 3.98e-04
Inclination (i)4.49673107° ± 5.21e-04
Long. of Asc. Node (Ω)337.28062708° ± 3.10e-04
Arg. of Perihelion (ω)55.82439015° ± 1.27e-04
Mean Anomaly (M)7.75794251° ± 1.93e-03
Mean Motion (n)0.2866999802°/day ± 7.51e-05
Perihelion dist (q)1.01044801 AU ± 2.48e-04
Aphelion dist (Q)3.54523052 AU ± 6.43e-04
Orbital Period3.43783171 yr ± 9.01e-04
Physical Parameters
H (abs. magnitude)24.89
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.121″
Uncertainty1
Orbit TypeApollo
MOID0.056075 AU
Observations Used26
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-16
Last Observation Used2025-10-18
Observations (26)
Date Type RA Dec Mag Band Observatory
2025-09-16 06:16:06 C 21 18 44.226 -07 33 51.15 X F52
2025-09-16 06:32:29 C 21 18 43.193 -07 33 19.83 X F52
2025-09-16 06:48:53 C 21 18 42.147 -07 32 47.88 X F52
2025-09-16 07:05:17 C 21 18 41.082 -07 32 15.87 X F52
2025-09-16 08:25:04 C 21 18 35.892 -07 29 40.42 V F52
2025-09-16 08:25:59 C 21 18 35.825 -07 29 38.48 V F52
2025-09-17 06:18:58 C 21 17 33.38 -06 45 45.0 V 673
2025-09-17 06:30:11 C 21 17 32.69 -06 45 21.5 V 673
2025-09-17 09:23:44 C 21 17 23.983 -06 39 05.57 V T14
2025-09-17 09:25:09 C 21 17 23.896 -06 39 02.68 V T14
2025-09-17 09:26:33 C 21 17 23.802 -06 38 59.68 V T14
2025-09-18 00:57:56 C 21 16 43.180 -06 04 52.30 V 807
2025-09-18 01:11:11 C 21 16 42.330 -06 04 23.40 V 807
2025-09-18 01:27:22 C 21 16 41.310 -06 03 48.20 V 807
2025-09-18 02:35:22 C 21 16 38.06 -06 02 35.1 V H21
2025-09-18 02:47:51 C 21 16 37.28 -06 02 07.8 V H21
2025-09-18 02:52:01 C 21 16 37.02 -06 01 58.8 V H21
2025-09-19 01:47:32 C 21 15 34.39 -05 10 05.9 V H21
2025-09-19 01:52:38 C 21 15 34.06 -05 09 53.9 V H21
2025-09-24 03:21:55 C 21 10 13.260 +00 27 36.90 V 691
2025-09-24 03:31:20 C 21 10 12.620 +00 28 07.00 V 691
2025-09-25 05:46:43 C 21 09 08.654 +01 57 54.01 X F52
2025-09-25 06:19:50 C 21 09 06.557 +01 59 51.94 X F52
2025-10-18 03:26:51 C 20 47 42.893 +70 44 09.92 V I52
2025-10-18 03:29:08 C 20 47 42.493 +70 44 31.88 V I52
2025-10-18 03:31:26 C 20 47 41.917 +70 44 53.99 V I52