2021 SL

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3634450000
Semi-major axis (a)1.4164919000 AU
Inclination (i)16.97721000°
Long. of Asc. Node (Ω)354.65949000°
Arg. of Perihelion (ω)297.69939000°
Mean Anomaly (M)203.61331000°
Mean Motion (n)0.5846324600°/day
Perihelion dist (q)0.90167500 AU
Aphelion dist (Q)1.93130880 AU
Orbital Period1.68585860 yr
Physical Parameters
H (abs. magnitude)25.62
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.470″
Uncertainty9
Orbit TypeApollo
MOID0.031988 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-18
Observations (14)
Date Type RA Dec Mag Band Observatory
2021-09-16 09:25:32 C 02 05 46.44 +19 12 20.3 V G96
2021-09-16 09:34:23 C 02 05 40.80 +19 13 24.0 V G96
2021-09-16 09:41:54 C 02 05 35.99 +19 14 19.8 V G96
2021-09-16 09:50:57 C 02 05 30.18 +19 15 25.6 V G96
2021-09-16 11:10:12 C 02 04 39.70 +19 24 56.7 V G96
2021-09-16 11:12:35 C 02 04 38.19 +19 25 14.0 V G96
2021-09-16 11:17:06 C 02 04 35.33 +19 25 46.1 V G96
2021-09-16 11:19:29 C 02 04 33.82 +19 26 03.3 V G96
2021-09-17 07:29:16 C 01 52 49.50 +21 42 37.3 u H21
2021-09-17 07:34:16 C 01 52 46.54 +21 43 09.2 u H21
2021-09-17 07:38:37 C 01 52 43.96 +21 43 37.0 u H21
2021-09-18 07:59:29 C 01 39 30.34 +24 07 20.1 V G96
2021-09-18 08:02:46 C 01 39 28.51 +24 07 37.2 V G96
2021-09-18 08:06:03 C 01 39 26.73 +24 07 55.1 V G96