2020 ST4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2516261679
Semi-major axis (a)1.3889522555 AU
Inclination (i)10.08526460°
Long. of Asc. Node (Ω)177.84585680°
Arg. of Perihelion (ω)186.69520231°
Mean Anomaly (M)52.66784522°
Mean Motion (n)0.6020773500°/day
Perihelion dist (q)1.03945740 AU
Aphelion dist (Q)1.73853580 AU
Orbital Period1.63701170 yr
Physical Parameters
H (abs. magnitude)27.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.449″
Uncertainty
Orbit TypeAmor
MOID0.034977 AU
Observations Used20
Oppositions1
Arc Total2020-2020
First Observation Used
Last Observation Used2020-09-25
Observations (20)
Date Type RA Dec Mag Band Observatory
2020-09-23 08:58:57 C 01 15 26.17 -08 20 10.0 V G96
2020-09-23 09:07:08 C 01 15 30.76 -08 21 19.9 V G96
2020-09-23 09:15:16 C 01 15 35.51 -08 22 29.8 V G96
2020-09-23 09:23:23 C 01 15 40.18 -08 23 40.3 V G96
2020-09-23 10:53:56 C 01 16 32.80 -08 36 35.5 V I52
2020-09-23 10:56:46 C 01 16 34.43 -08 36 58.8 V I52
2020-09-23 10:59:37 C 01 16 36.09 -08 37 23.4 V I52
2020-09-24 08:14:11 C 01 29 52.94 -11 33 53.8 V G96
2020-09-24 08:21:36 C 01 29 57.13 -11 34 54.7 V G96
2020-09-24 08:55:18 C 01 30 15.58 -11 39 23.5 V G96
2020-09-24 08:57:03 C 01 30 16.57 -11 39 37.5 V G96
2020-09-24 08:58:48 C 01 30 17.53 -11 39 51.4 V G96
2020-09-24 09:00:33 C 01 30 18.50 -11 40 05.0 V G96
2020-09-25 07:18:34 C 01 43 28.74 -14 31 13.0 u H21
2020-09-25 07:26:48 C 01 43 33.11 -14 32 13.6 u H21
2020-09-25 07:39:34 C 01 43 39.77 -14 33 46.9 u H21
2020-09-25 07:43:10 C 01 43 46.47 -14 33 54.8 V V06
2020-09-25 07:46:17 C 01 43 48.09 -14 34 17.9 V V06
2020-09-25 07:49:25 C 01 43 49.73 -14 34 40.9 V V06
2020-09-25 07:52:31 C 01 43 51.36 -14 35 03.8 V V06