2021 WK

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2397662000
Semi-major axis (a)1.2966903000 AU
Inclination (i)8.26814000°
Long. of Asc. Node (Ω)58.72633000°
Arg. of Perihelion (ω)336.66038000°
Mean Anomaly (M)268.59782000°
Mean Motion (n)0.6674975500°/day
Perihelion dist (q)0.98578780 AU
Aphelion dist (Q)1.60759280 AU
Orbital Period1.47657120 yr
Physical Parameters
H (abs. magnitude)26.39
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.690″
Uncertainty7
Orbit TypeApollo
MOID0.010819 AU
Observations Used36
Oppositions1
Arc Total
First Observation Used
Last Observation Used2021-11-28
Observations (36)
Date Type RA Dec Mag Band Observatory
2021-11-24 09:32:16 C 02 47 50.48 +39 24 57.6 V T08
2021-11-24 09:38:14 C 02 47 52.73 +39 26 34.7 V T08
2021-11-24 10:09:38 C 02 48 05.25 +39 34 49.5 V T08
2021-11-24 10:17:37 C 02 48 08.49 +39 36 54.4 V T08
2021-11-24 18:17:28 C 02 52 56.84 +41 35 15.9 V L01
2021-11-24 18:20:26 C 02 52 58.20 +41 36 00.9 V L01
2021-11-24 18:22:40 C 02 52 59.23 +41 36 35.1 V L01
2021-11-24 18:24:54 C 02 53 00.25 +41 37 09.0 V L01
2021-11-24 18:27:09 C 02 53 01.28 +41 37 43.1 V L01
2021-11-24 19:05:17 C 02 53 15.60 +41 47 03.3 X G02
2021-11-24 19:08:26 C 02 53 16.97 +41 47 50.0 X G02
2021-11-24 19:11:35 C 02 53 18.38 +41 48 36.7 X G02
2021-11-24 20:26:31 C 02 53 54.91 +42 07 29.0 V 104
2021-11-24 20:32:20 C 02 53 57.40 +42 08 53.7 V 104
2021-11-24 20:33:38 C 02 53 57.25 +42 09 00.7 V K51
2021-11-24 20:35:39 C 02 53 58.10 +42 09 30.2 V K51
2021-11-24 20:37:41 C 02 53 58.96 +42 09 59.5 V K51
2021-11-24 20:43:10 C 02 54 01.94 +42 11 31.5 V 104
2021-11-24 20:56:37 C 02 54 06.18 +42 14 36.2 X 595
2021-11-24 21:04:14 C 02 54 09.36 +42 16 25.0 X 595
2021-11-24 21:11:50 C 02 54 12.50 +42 18 14.0 X 595
2021-11-24 21:19:27 C 02 54 15.69 +42 20 03.3 X 595
2021-11-24 23:55:12 C 02 56 00.74 +42 55 30.0 X W34
2021-11-25 00:06:40 C 02 56 06.07 +42 58 17.8 X W34
2021-11-25 00:17:59 C 02 56 11.20 +43 01 02.7 X W34
2021-11-27 04:59:57 C 03 21 33.54 +52 14 22.0 V G96
2021-11-27 05:07:46 C 03 21 36.18 +52 15 25.6 V G96
2021-11-27 05:23:24 C 03 21 41.37 +52 17 31.8 V G96
2021-11-27 17:41:57 C 03 27 20.22 +53 45 05.8 V 033
2021-11-27 17:42:37 C 03 27 20.49 +53 45 10.5 V 033
2021-11-27 17:43:16 C 03 27 20.70 +53 45 15.4 V 033
2021-11-27 17:44:00 C 03 27 21.01 +53 45 21.0 V 033
2021-11-28 03:14:09 C 03 31 26.26 +54 50 00.3 V I52
2021-11-28 03:17:23 C 03 31 27.33 +54 50 23.1 V I52
2021-11-28 03:23:05 C 03 31 29.24 +54 51 02.5 V I52
2021-11-28 03:23:19 C 03 31 29.37 +54 51 04.0 V I52