2021 SF2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4591928000
Semi-major axis (a)2.2289120000 AU
Inclination (i)2.09212000°
Long. of Asc. Node (Ω)354.22262000°
Arg. of Perihelion (ω)27.99077000°
Mean Anomaly (M)83.69210000°
Mean Motion (n)0.2961861200°/day
Perihelion dist (q)1.20541170 AU
Aphelion dist (Q)3.25241230 AU
Orbital Period3.32766340 yr
Physical Parameters
H (abs. magnitude)24.32
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.770″
Uncertainty8
Orbit TypeAmor
MOID0.207084 AU
Observations Used22
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-11
Observations (22)
Date Type RA Dec Mag Band Observatory
2021-09-28 09:09:04 C 01 15 20.198 +10 55 22.23 U F52
2021-09-28 09:25:29 C 01 15 21.187 +10 55 37.77 U F52
2021-09-28 09:41:59 C 01 15 22.181 +10 55 53.26 U F52
2021-09-28 09:58:30 C 01 15 23.122 +10 56 08.70 U F52
2021-09-28 12:58:25 C 01 15 33.682 +10 58 54.69 V F51
2021-09-28 12:59:36 C 01 15 33.766 +10 58 55.42 V F51
2021-09-29 07:31:40 C 01 16 52.20 +11 15 55.3 o 291
2021-09-29 07:41:49 C 01 16 52.80 +11 16 04.4 o 291
2021-09-29 07:51:59 C 01 16 53.43 +11 16 14.0 o 291
2021-09-29 09:55:01 C 01 17 02.572 +11 18 14.24 V F51
2021-09-29 10:03:41 C 01 17 03.075 +11 18 22.27 V F51
2021-09-29 10:12:40 C 01 17 03.602 +11 18 30.74 V F51
2021-09-29 10:21:38 C 01 17 04.117 +11 18 39.04 V F51
2021-09-30 08:28:07 C 01 18 36.629 +11 38 58.92 U F51
2021-09-30 08:49:27 C 01 18 37.912 +11 39 19.00 U F51
2021-09-30 09:11:26 C 01 18 39.214 +11 39 39.66 U F51
2021-10-09 06:11:25 C 01 32 56.21 +14 49 57.6 u H21
2021-10-09 06:27:31 C 01 32 57.10 +14 50 11.6 u H21
2021-10-09 06:43:38 C 01 32 58.00 +14 50 25.3 u H21
2021-10-11 11:53:36 C 01 36 24.848 +15 35 30.50 U F51
2021-10-11 12:27:17 C 01 36 26.653 +15 35 57.95 U F51
2021-10-11 12:44:04 C 01 36 27.585 +15 36 11.56 U F51