2025 SN20

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3619871702 ± 1.29e-04
Semi-major axis (a)1.5728588154 AU ± 3.17e-04
Inclination (i)11.68651605° ± 2.84e-03
Long. of Asc. Node (Ω)4.41908159° ± 1.14e-04
Arg. of Perihelion (ω)341.09727095° ± 1.29e-03
Mean Anomaly (M)35.28331922° ± 1.09e-02
Mean Motion (n)0.4996635451°/day ± 1.51e-04
Perihelion dist (q)1.00350410 AU ± 2.86e-04
Aphelion dist (Q)2.14221353 AU ± 4.77e-04
Orbital Period1.97257993 yr ± 5.97e-04
Physical Parameters
H (abs. magnitude)26.43
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.559″
Uncertainty2
Orbit TypeApollo
MOID0.012672 AU
Observations Used78
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-29
Last Observation Used2025-10-02
Observations (80)
Date Type RA Dec Mag Band Observatory
2025-09-29 19:30:22 C 23 07 40.637 +15 09 04.93 W 203
2025-09-29 19:31:59 C 23 07 44.40 +15 09 50.9 X 958
2025-09-29 19:32:44 B 23 07 42.81 +15 10 16.2 X K19
2025-09-29 19:37:50 B 23 07 44.86 +15 12 33.4 X K19
2025-09-29 19:39:33 C 23 07 47.43 +15 13 17.1 X 958
2025-09-29 19:48:11 B 23 07 48.57 +15 17 16.8 X M54
2025-09-29 19:55:31 B 23 07 51.40 +15 20 34.2 X M54
2025-09-29 20:02:49 C 23 07 51.365 +15 23 11.08 Z G19
2025-09-29 20:02:50 B 23 07 54.27 +15 23 51.9 X M54
2025-09-29 20:21:57 C 23 08 00.442 +15 32 01.54 W 151
2025-09-29 20:23:33 C 23 08 01.039 +15 32 45.17 W 151
2025-09-29 20:25:09 C 23 08 01.704 +15 33 28.55 W 151
2025-09-29 20:26:45 C 23 08 02.357 +15 34 11.68 W 151
2025-09-29 20:28:22 C 23 08 02.935 +15 34 54.19 W 151
2025-09-29 20:38:22 C 23 08 05.110 +15 39 00.72 Z G19
2025-09-29 20:38:38 B 23 08 10.13 +15 39 38.9 V I93
2025-09-29 20:39:07 B 23 08 08.07 +15 40 02.6 X M54
2025-09-29 20:41:19 B 23 08 11.18 +15 40 50.9 V I93
2025-09-29 20:44:01 B 23 08 12.18 +15 42 03.0 V I93
2025-09-29 20:49:48 B 23 08 12.13 +15 44 46.8 X M54
2025-09-29 21:00:28 B 23 08 16.09 +15 49 28.9 X M54
2025-09-30 06:14:10 C 23 12 18.385 +19 41 17.12 U I41
2025-09-30 06:14:41 C 23 12 18.529 +19 41 28.48 U I41
2025-09-30 06:16:13 C 23 12 19.109 +19 42 05.98 U I41
2025-09-30 06:16:43 C 23 12 19.251 +19 42 18.16 U I41
2025-10-01 03:03:49 B 23 20 50.882 +26 53 35.59 Z H36
2025-10-01 03:16:01 B 23 20 54.487 +26 57 19.37 Z H36
2025-10-02 19:41:04 B 23 34 18.142 +36 35 18.31 Z 185
2025-10-02 20:03:58 B 23 34 23.710 +36 39 39.71 Z 185
2025-10-02 20:26:32 B 23 34 28.990 +36 43 55.74 Z 185