2021 SS1

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5972167000
Semi-major axis (a)2.7774854000 AU
Inclination (i)3.34396000°
Long. of Asc. Node (Ω)248.88816000°
Arg. of Perihelion (ω)104.08194000°
Mean Anomaly (M)324.39741000°
Mean Motion (n)0.2129248700°/day
Perihelion dist (q)1.11872470 AU
Aphelion dist (Q)4.43624610 AU
Orbital Period4.62889870 yr
Physical Parameters
H (abs. magnitude)24.42
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.880″
Uncertainty8
Orbit TypeAmor
MOID0.126547 AU
Observations Used13
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-09-29
Observations (13)
Date Type RA Dec Mag Band Observatory
2021-09-26 05:44:34 C 21 32 48.965 +11 39 19.37 U F52
2021-09-26 06:01:07 C 21 32 53.155 +11 39 36.53 U F52
2021-09-26 06:34:22 C 21 33 01.593 +11 40 10.63 U F52
2021-09-26 10:51:31 C 21 34 06.754 +11 44 24.94 V F51
2021-09-27 02:38:49 C 21 38 26.03 +11 59 45.1 u H21
2021-09-27 02:47:09 C 21 38 28.18 +11 59 53.6 u H21
2021-09-27 02:51:02 C 21 38 29.19 +11 59 57.4 u H21
2021-09-27 06:05:06 C 21 39 23.243 +12 03 23.19 V F51
2021-09-27 06:12:23 C 21 39 25.096 +12 03 30.39 V F51
2021-09-29 06:31:44 C 21 52 38.73 +12 48 08.6 V V06
2021-09-29 06:37:27 C 21 52 40.19 +12 48 14.1 V V06
2021-09-29 06:43:11 C 21 52 41.72 +12 48 18.8 V V06
2021-09-29 06:48:54 C 21 52 43.18 +12 48 23.9 V V06