2025 SB21

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4636194604 ± 9.23e-04
Semi-major axis (a)1.8540183556 AU ± 3.15e-03
Inclination (i)6.94037157° ± 1.01e-02
Long. of Asc. Node (Ω)185.30263465° ± 1.94e-04
Arg. of Perihelion (ω)166.12902345° ± 1.02e-02
Mean Anomaly (M)25.40446582° ± 6.30e-02
Mean Motion (n)0.3904282479°/day ± 9.94e-04
Perihelion dist (q)0.99445937 AU ± 2.40e-03
Aphelion dist (Q)2.71357735 AU ± 4.92e-03
Orbital Period2.52447483 yr ± 6.43e-03
Physical Parameters
H (abs. magnitude)31.32
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.326″
Uncertainty2
Orbit TypeApollo
MOID0.000037 AU
Observations Used9
Oppositions1
Arc Total2025-2025
First Observation Used2025-09-28
Last Observation Used2025-09-28
Observations (9)
Date Type RA Dec Mag Band Observatory
2025-09-28 12:16:18 C 23 38 47.712 +04 19 38.57 V P07
2025-09-28 12:16:26 C 23 38 51.132 +04 19 26.90 V P07
2025-09-28 13:45:23 C 00 14 45.888 +02 11 26.92 V P07
2025-09-28 13:45:34 C 00 14 49.373 +02 11 13.88 V P07
2025-09-28 15:24:27 C 00 49 03.170 +00 03 36.18 V P07
2025-09-28 16:38:20 C 01 10 41.964 -01 18 09.36 V P07
2025-09-28 18:02:05 C 01 31 36.415 -02 36 24.77 V P07
2025-09-28 19:04:41 C 01 45 04.193 -03 25 41.30 V P07
2025-09-28 20:25:36 C 02 00 12.641 -04 19 15.17 V P07