IAA RAS IAA Minor Planet Database

2020 UA4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5771921000
Semi-major axis (a)2.4416913000 AU
Inclination (i)1.20364000°
Long. of Asc. Node (Ω)255.99661000°
Arg. of Perihelion (ω)129.71895000°
Mean Anomaly (M)120.05424000°
Mean Motion (n)0.2583259000°/day
Perihelion dist (q)1.03236640 AU
Aphelion dist (Q)3.85101620 AU
Orbital Period3.81536540 yr
Physical Parameters
H (abs. magnitude)26.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.310″
Uncertainty6
Orbit TypeAmor
MOID0.038325 AU
Observations Used22
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2020-10-23
Observations (22)
Date Type RA Dec Mag Band Observatory
2020-10-07 03:45:20 C 22 47 36.32 +16 29 40.1 – V G96
2020-10-07 03:53:25 C 22 47 39.99 +16 30 23.3 – V G96
2020-10-16 11:14:52 C 01 52 39.838 +37 12 59.09 – V F51
2020-10-17 12:48:16 C 02 19 56.320 +38 15 38.04 – V F52
2020-10-17 13:04:58 C 02 20 12.939 +38 16 05.91 – V F52
2020-10-18 09:56:38 C 02 42 04.962 +38 47 01.96 – V F51
2020-10-18 10:00:42 C 02 42 08.777 +38 47 07.16 – V F51
2020-10-22 08:17:43 C 04 04 14.01 +38 16 33.1 – V G96
2020-10-22 08:27:12 C 04 04 20.24 +38 16 21.8 – V G96
2020-10-22 08:36:24 C 04 04 26.34 +38 16 10.8 – V G96
2020-10-22 08:45:34 C 04 04 32.35 +38 15 59.1 – V G96
2020-10-22 11:21:04 C 04 06 14.36 +38 12 26.5 – V I52
2020-10-22 11:24:42 C 04 06 16.73 +38 12 20.8 – V I52
2020-10-22 11:28:19 C 04 06 19.11 +38 12 15.2 – V I52
2020-10-23 00:41:13 C 04 15 25.07 +37 53 24.5 – V L01
2020-10-23 00:44:01 C 04 15 26.80 +37 53 20.2 – V L01
2020-10-23 00:46:12 C 04 15 28.18 +37 53 17.1 – V L01
2020-10-23 07:18:56 C 04 19 43.03 +37 43 47.1 – u H21
2020-10-23 07:33:28 C 04 19 51.67 +37 43 26.0 – u H21
2020-10-23 08:03:14 C 04 20 13.64 +37 42 54.0 – V I52
2020-10-23 08:08:04 C 04 20 16.44 +37 42 47.2 – V I52
2020-10-23 08:12:54 C 04 20 19.30 +37 42 40.5 – V I52