2021 SJ2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4900109000
Semi-major axis (a)1.8499355000 AU
Inclination (i)3.26090000°
Long. of Asc. Node (Ω)202.96743000°
Arg. of Perihelion (ω)108.87952000°
Mean Anomaly (M)251.03010000°
Mean Motion (n)0.3917141000°/day
Perihelion dist (q)0.94344690 AU
Aphelion dist (Q)2.75642410 AU
Orbital Period2.51614050 yr
Physical Parameters
H (abs. magnitude)25.74
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.560″
Uncertainty8
Orbit TypeApollo
MOID0.031993 AU
Observations Used14
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-30
Observations (15)
Date Type RA Dec Mag Band Observatory
2021-09-18 04:38:03 C 23 37 47.09 +38 10 45.6 V G96
2021-09-18 04:46:27 C 23 37 52.93 +38 09 25.5 V G96
2021-09-28 08:22:04 C 00 49 06.619 +17 00 15.46 U F52
2021-09-28 08:40:29 C 00 49 08.199 +16 59 28.62 U F52
2021-09-28 08:58:45 C 00 49 09.718 +16 58 42.19 U F52
2021-09-28 12:48:57 C 00 49 28.238 +16 48 48.92 V F51
2021-09-28 12:50:08 C 00 49 28.305 +16 48 45.68 V F51
2021-09-29 05:20:13 C 00 51 10.67 +16 07 41.8 u H21
2021-09-29 05:28:42 C 00 51 11.29 +16 07 21.7 u H21
2021-09-29 06:53:28 C 00 51 23.177 +16 04 17.93 V F51
2021-09-29 07:26:42 C 00 51 25.798 +16 03 02.20 V F51
2021-09-29 07:43:15 C 00 51 27.068 +16 02 24.63 V F51
2021-09-30 08:25:46 C 00 53 35.683 +15 07 08.45 U F51
2021-09-30 08:47:06 C 00 53 37.018 +15 06 24.13 U F51
2021-09-30 09:31:32 C 00 53 39.691 +15 04 51.21 U F51