2021 SE3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3016669341 ± 1.19e-03
Semi-major axis (a)1.5040264038 AU ± 3.00e-03
Inclination (i)4.34088904° ± 2.54e-02
Long. of Asc. Node (Ω)203.58490826° ± 6.66e-02
Arg. of Perihelion (ω)142.88259075° ± 2.41e-01
Mean Anomaly (M)98.77988072° ± 2.51e+00
Mean Motion (n)0.5343540254°/day ± 1.60e-03
Perihelion dist (q)1.05031137 AU ± 2.76e-03
Aphelion dist (Q)1.95774144 AU ± 4.30e-03
Orbital Period1.84451924 yr ± 5.53e-03
Physical Parameters
H (abs. magnitude)26.23
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.249″
Uncertainty4
Orbit TypeAmor
MOID0.059469 AU
Observations Used10
Oppositions1
Arc Total2021-2021
First Observation Used2021-09-28
Last Observation Used2021-09-29
Observations (10)
Date Type RA Dec Mag Band Observatory
2021-09-28 07:02:09 C 23 09 18.037 +20 11 53.59 U F52
2021-09-28 07:18:47 C 23 09 24.110 +20 11 24.42 U F52
2021-09-28 07:35:25 C 23 09 30.071 +20 10 55.56 U F52
2021-09-29 03:56:31 C 23 17 23.30 +19 32 35.1 u H21
2021-09-29 04:04:34 C 23 17 26.16 +19 32 19.9 u H21
2021-09-29 04:09:56 C 23 17 28.08 +19 32 10.3 u H21
2021-09-29 06:45:11 C 23 18 31.810 +19 27 53.14 V F51
2021-09-29 07:01:50 C 23 18 37.632 +19 27 23.77 V F51
2021-09-29 07:18:28 C 23 18 43.424 +19 26 54.07 V F51
2021-09-29 07:35:00 C 23 18 49.207 +19 26 24.16 V F51