2021 SA2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3621640000
Semi-major axis (a)0.9366105000 AU
Inclination (i)17.62735000°
Long. of Asc. Node (Ω)1.91333000°
Arg. of Perihelion (ω)234.60927000°
Mean Anomaly (M)297.48746000°
Mean Motion (n)1.0873404600°/day
Perihelion dist (q)0.59740390 AU
Aphelion dist (Q)1.27581710 AU
Orbital Period0.90643890 yr
Physical Parameters
H (abs. magnitude)26.21
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.820″
Uncertainty7
Orbit TypeAten
MOID0.015220 AU
Observations Used15
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-29
Observations (15)
Date Type RA Dec Mag Band Observatory
2021-09-28 06:53:34 C 23 48 30.660 +20 56 26.79 U F52
2021-09-28 07:10:20 C 23 48 17.589 +20 57 04.38 U F52
2021-09-28 07:43:39 C 23 47 51.508 +20 58 18.18 U F52
2021-09-28 12:12:27 C 23 44 25.261 +21 07 09.11 V F51
2021-09-29 02:53:01 C 23 34 56.95 +21 31 22.2 u H21
2021-09-29 02:57:03 C 23 34 54.35 +21 31 28.1 u H21
2021-09-29 03:01:13 C 23 34 51.65 +21 31 34.6 u H21
2021-09-29 03:58:32 C 23 34 18.21 +21 33 13.9 V V06
2021-09-29 04:00:30 C 23 34 16.94 +21 33 16.8 V V06
2021-09-29 04:04:27 C 23 34 14.49 +21 33 22.7 V V06
2021-09-29 06:59:28 C 23 32 30.665 +21 38 02.70 V F51
2021-09-29 07:16:06 C 23 32 20.261 +21 38 28.26 V F51
2021-09-29 07:32:39 C 23 32 09.997 +21 38 52.93 V F51
2021-09-29 07:49:19 C 23 31 59.580 +21 39 17.76 V F51
2021-09-29 07:50:30 C 23 31 58.819 +21 39 19.53 V F51