2020 YD4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2127273000
Semi-major axis (a)1.3771712000 AU
Inclination (i)8.42962000°
Long. of Asc. Node (Ω)121.12938000°
Arg. of Perihelion (ω)331.40475000°
Mean Anomaly (M)12.49698000°
Mean Motion (n)0.6098487800°/day
Perihelion dist (q)1.08420930 AU
Aphelion dist (Q)1.67013310 AU
Orbital Period1.61615090 yr
Physical Parameters
H (abs. magnitude)24.17
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.940″
Uncertainty6
Orbit TypeAmor
MOID0.112783 AU
Observations Used29
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-01-18
Observations (39)
Date Type RA Dec Mag Band Observatory
2020-12-22 10:12:57 C 05 26 11.250 -16 58 43.75 U F51
2020-12-22 10:42:53 C 05 26 11.797 -16 57 37.86 U F51
2020-12-22 10:57:53 C 05 26 12.009 -16 57 03.94 U F51
2020-12-23 04:49:13 C 05 26 52.50 -16 16 36.8 u 807
2020-12-23 04:55:07 C 05 26 52.62 -16 16 23.6 u 807
2020-12-23 05:00:53 C 05 26 52.76 -16 16 10.4 u 807
2020-12-24 04:26:18 C 05 27 47.47 -15 22 20.8 u 807
2020-12-24 04:33:51 C 05 27 47.62 -15 22 02.9 u 807
2020-12-24 04:41:09 C 05 27 47.81 -15 21 45.5 u 807
2020-12-25 05:09:24 C 05 28 45.92 -14 23 07.4 V 807
2020-12-25 05:13:59 C 05 28 46.03 -14 22 56.2 V 807
2020-12-25 05:18:00 C 05 28 46.13 -14 22 46.2 V 807
2020-12-26 02:15:57 C 05 29 41.46 -13 30 38.2 V 807
2020-12-26 02:21:51 C 05 29 41.61 -13 30 23.5 V 807
2020-12-26 02:27:45 C 05 29 41.76 -13 30 08.8 V 807
2021-01-02 05:14:52 C 05 37 55.17 -05 27 10.8 V I52
2021-01-02 05:17:54 C 05 37 55.29 -05 27 00.6 V I52
2021-01-02 05:20:55 C 05 37 55.41 -05 26 52.5 V I52
2021-01-04 02:19:22 C 05 40 27.67 -03 03 11.6 u 807
2021-01-04 02:29:30 C 05 40 28.08 -03 02 39.0 u 807
2021-01-04 02:38:12 C 05 40 28.42 -03 02 10.8 u 807
2021-01-04 07:39:37 C 05 40 43.45 -02 47 13.6 V I52
2021-01-04 07:42:39 C 05 40 43.63 -02 47 04.0 V I52
2021-01-04 07:45:40 C 05 40 43.72 -02 46 56.1 V I52
2021-01-05 07:16:07 C 05 42 08.06 -01 30 21.7 o 691
2021-01-05 07:27:08 C 05 42 08.55 -01 29 45.8 o 691
2021-01-05 07:38:12 C 05 42 09.03 -01 29 09.6 o 691
2021-01-13 04:14:49 C 05 55 04.99 +09 07 04.2 u 807
2021-01-13 04:20:44 C 05 55 05.36 +09 07 24.6 u 807
2021-01-13 04:26:28 C 05 55 05.74 +09 07 43.5 u 807
2021-01-18 03:27:46 C 06 05 00.29 +15 35 44.6 V G96
2021-01-18 03:35:48 C 06 05 00.92 +15 36 09.9 V G96
2021-01-18 03:43:49 C 06 05 01.52 +15 36 35.6 V G96
2021-02-06 03:05:49 C 06 53 11.31 +33 27 40.2 V V06
2021-02-06 03:12:39 C 06 53 12.09 +33 27 50.7 V V06
2021-02-06 03:19:31 C 06 53 12.81 +33 28 01.0 V V06
2021-02-06 06:27:32 C 06 53 32.31 +33 32 44.6 o 691
2021-02-06 06:44:40 C 06 53 34.05 +33 33 08.4 o 691
2021-02-06 07:01:45 C 06 53 35.89 +33 33 33.6 o 691