2020 YS4

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4725804000
Semi-major axis (a)1.8624040000 AU
Inclination (i)4.17845000°
Long. of Asc. Node (Ω)276.82333000°
Arg. of Perihelion (ω)186.52820000°
Mean Anomaly (M)331.49354000°
Mean Motion (n)0.3877869700°/day
Perihelion dist (q)0.98226840 AU
Aphelion dist (Q)2.74253960 AU
Orbital Period2.54162130 yr
Physical Parameters
H (abs. magnitude)27.76
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.550″
Uncertainty6
Orbit TypeApollo
MOID0.000358 AU
Observations Used43
Oppositions1
Arc Total
First Observation Used
Last Observation Used2020-12-28
Observations (43)
Date Type RA Dec Mag Band Observatory
2020-12-27 03:29:26 C 00 10 49.62 +30 05 30.0 V G96
2020-12-27 03:36:54 C 00 10 51.54 +30 04 58.0 V G96
2020-12-27 03:44:23 C 00 10 53.50 +30 04 25.4 V G96
2020-12-27 03:51:53 C 00 10 55.48 +30 03 51.9 V G96
2020-12-27 05:35:37 C 00 11 31.76 +29 55 11.1 V I52
2020-12-27 05:37:23 C 00 11 32.51 +29 55 01.2 V I52
2020-12-27 05:39:08 C 00 11 33.29 +29 54 51.2 V I52
2020-12-27 05:40:53 C 00 11 34.06 +29 54 41.5 V I52
2020-12-27 16:30:06 C 00 22 02.11 +29 05 05.0 V 595
2020-12-27 16:34:48 C 00 22 05.18 +29 04 55.7 V L01
2020-12-27 16:36:06 C 00 22 06.39 +29 04 29.0 V 595
2020-12-27 16:37:53 C 00 22 07.40 +29 04 36.9 V L01
2020-12-27 16:39:26 C 00 22 08.47 +29 04 27.5 V L01
2020-12-27 16:41:21 C 00 22 09.83 +29 04 15.2 V L01
2020-12-27 16:42:05 C 00 22 10.63 +29 03 51.9 V 595
2020-12-27 16:48:05 C 00 22 14.95 +29 03 13.5 V 595
2020-12-27 16:54:04 C 00 22 19.27 +29 02 35.0 V 595
2020-12-27 17:08:31 C 00 22 29.47 +29 01 17.9 V L01
2020-12-27 17:10:03 C 00 22 30.59 +29 01 07.7 V L01
2020-12-27 17:14:37 C 00 22 33.95 +29 00 36.5 V L01
2020-12-27 17:19:10 C 00 22 37.30 +29 00 04.8 V L01
2020-12-27 19:16:46 C 00 24 13.67 +28 43 57.8 V L01
2020-12-27 19:21:52 C 00 24 47.20 +28 41 13.8 V J95
2020-12-27 19:22:51 C 00 24 19.30 +28 42 59.5 V L01
2020-12-27 19:24:23 C 00 24 20.75 +28 42 44.4 V L01
2020-12-27 19:25:01 C 00 24 50.18 +28 40 45.7 V J95
2020-12-27 19:25:56 C 00 24 22.20 +28 42 29.4 V L01
2020-12-27 19:40:30 C 00 25 03.53 +28 38 17.0 V Z80
2020-12-27 19:49:16 C 00 25 12.16 +28 36 54.5 V Z80
2020-12-27 19:58:35 C 00 25 21.63 +28 35 24.1 V Z80
2020-12-27 22:12:20 C 00 28 03.53 +28 09 20.2 V Z99
2020-12-27 22:16:10 C 00 28 08.89 +28 08 31.0 V Z99
2020-12-28 01:27:42 C 00 35 40.34 +27 50 53.3 V I52
2020-12-28 01:28:47 C 00 35 41.95 +27 50 39.0 V I52
2020-12-28 01:29:52 C 00 35 43.53 +27 50 24.8 V I52
2020-12-28 01:30:57 C 00 35 45.16 +27 50 10.2 V I52
2020-12-28 17:43:33 C 02 31 25.70 +11 14 09.2 V 204
2020-12-28 17:44:35 C 02 31 46.95 +11 10 11.3 V 204
2020-12-28 17:45:38 C 02 32 08.37 +11 06 10.5 V 204
2020-12-28 17:46:41 C 02 32 29.82 +11 02 09.5 V 204
2020-12-28 18:00:09 C 02 37 14.65 +10 08 24.7 V 204
2020-12-28 18:01:41 C 02 37 47.76 +10 02 07.4 V 204
2020-12-28 18:03:12 C 02 38 20.98 +09 55 48.0 V 204