2021 ST3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5787472000
Semi-major axis (a)2.5375208000 AU
Inclination (i)6.35676000°
Long. of Asc. Node (Ω)352.12882000°
Arg. of Perihelion (ω)47.40986000°
Mean Anomaly (M)0.84569000°
Mean Motion (n)0.2438314200°/day
Perihelion dist (q)1.06893770 AU
Aphelion dist (Q)4.00610390 AU
Orbital Period4.04216850 yr
Physical Parameters
H (abs. magnitude)24.59
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.880″
Uncertainty7
Orbit TypeAmor
MOID0.104350 AU
Observations Used24
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-10-11
Observations (26)
Date Type RA Dec Mag Band Observatory
2021-09-30 07:03:30 C 23 10 34.623 +06 43 22.23 U F51
2021-09-30 07:21:14 C 23 10 34.608 +06 44 15.55 U F51
2021-09-30 07:38:56 C 23 10 34.578 +06 45 08.15 U F51
2021-09-30 07:56:39 C 23 10 34.545 +06 46 01.14 U F51
2021-10-02 11:05:54 C 23 11 22.194 +09 25 49.34 U F51
2021-10-02 11:18:44 C 23 11 22.255 +09 26 31.04 U F51
2021-10-02 11:31:23 C 23 11 22.336 +09 27 12.02 U F51
2021-10-02 20:53:54 C 23 11 36.90 +09 57 46.7 V L01
2021-10-02 20:56:09 C 23 11 36.87 +09 57 53.6 V L01
2021-10-02 20:59:31 C 23 11 36.91 +09 58 05.6 V L01
2021-10-02 21:02:20 C 23 11 36.92 +09 58 15.1 V L01
2021-10-02 21:05:42 C 23 11 36.97 +09 58 26.6 V L01
2021-10-03 02:59:54 C 23 11 46.43 +10 18 20.4 X 858
2021-10-03 03:14:45 C 23 11 46.60 +10 19 10.9 X 858
2021-10-03 03:29:43 C 23 11 46.73 +10 20 01.2 X 858
2021-10-04 06:32:01 C 23 12 26.305 +11 53 29.98 U F52
2021-10-04 06:45:42 C 23 12 26.458 +11 54 18.69 U F52
2021-10-04 06:59:37 C 23 12 26.599 +11 55 08.37 U F52
2021-10-04 07:13:14 C 23 12 26.719 +11 55 56.90 U F52
2021-10-05 07:06:34 C 23 13 07.252 +13 22 03.72 U F51
2021-10-05 07:38:52 C 23 13 07.659 +13 24 03.56 U F51
2021-10-05 07:55:08 C 23 13 07.857 +13 25 04.03 U F51
2021-10-11 10:32:22 C 23 19 45.864 +23 28 09.27 U F51
2021-10-11 10:49:46 C 23 19 46.669 +23 29 27.54 U F51
2021-10-11 11:07:09 C 23 19 47.456 +23 30 43.84 U F51
2021-10-11 11:24:39 C 23 19 48.291 +23 32 01.64 U F51