2021 SM5

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2910444000
Semi-major axis (a)1.4628422000 AU
Inclination (i)5.52643000°
Long. of Asc. Node (Ω)197.74135000°
Arg. of Perihelion (ω)129.40304000°
Mean Anomaly (M)144.16497000°
Mean Motion (n)0.5570675400°/day
Perihelion dist (q)1.03709020 AU
Aphelion dist (Q)1.88859420 AU
Orbital Period1.76927860 yr
Physical Parameters
H (abs. magnitude)26.08
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.970″
Uncertainty8
Orbit TypeAmor
MOID0.066020 AU
Observations Used10
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-05
Observations (11)
Date Type RA Dec Mag Band Observatory
2021-09-29 06:49:09 C 23 36 36.818 +12 55 06.04 U F52
2021-09-29 07:06:34 C 23 36 40.507 +12 54 23.36 U F52
2021-09-29 07:41:26 C 23 36 47.804 +12 52 56.24 U F52
2021-09-29 10:50:18 C 23 37 26.620 +12 45 00.54 V F51
2021-09-29 10:51:28 C 23 37 26.872 +12 44 57.45 V F51
2021-10-04 06:37:28 C 00 00 49.659 +08 23 12.50 U F52
2021-10-04 06:51:12 C 00 00 51.830 +08 22 45.44 U F52
2021-10-04 07:05:04 C 00 00 53.985 +08 22 18.29 U F52
2021-10-05 08:25:21 C 00 05 09.611 +07 32 54.94 V F52
2021-10-05 08:40:56 C 00 05 11.785 +07 32 25.71 V F52
2021-10-05 08:56:43 C 00 05 14.045 +07 31 56.11 V F52