2021 WR

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6133596088 ± 3.01e-08
Semi-major axis (a)2.5177796300 AU ± 1.90e-09
Inclination (i)1.26322490° ± 3.79e-06
Long. of Asc. Node (Ω)226.66323127° ± 5.03e-05
Arg. of Perihelion (ω)223.17365680° ± 5.88e-05
Mean Anomaly (M)353.89779274° ± 4.12e-06
Mean Motion (n)0.2467094032°/day ± 2.79e-10
Perihelion dist (q)0.97347530 AU ± 7.58e-08
Aphelion dist (Q)4.06208396 AU ± 7.59e-08
Orbital Period3.99509006 yr ± 4.51e-09
Physical Parameters
H (abs. magnitude)25.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.265″
Uncertainty0
Orbit TypeApollo
MOID0.010087 AU
Observations Used100
Oppositions3
Arc Total2021-2025
First Observation Used2021-10-28
Last Observation Used2025-11-27
Observations (109)
Date Type RA Dec Mag Band Observatory
2021-11-27 00:36:32 C 03 09 22.32 +04 07 29.5 Z W33
2021-11-27 00:51:48 C 03 09 09.84 +04 11 34.1 V L81
2021-11-27 00:57:06 C 03 09 14.62 +04 11 17.7 V L81
2021-11-27 00:57:33 C 03 09 41.47 +04 06 27.0 Z W33
2021-11-27 01:18:46 C 03 10 00.84 +04 05 24.6 Z W33
2021-11-27 04:31:33 C 03 13 04.25 +03 55 35.8 X 858
2021-11-27 04:42:55 C 03 13 14.79 +03 55 00.8 X 858
2021-11-27 04:54:19 C 03 13 25.43 +03 54 24.4 X 858
2021-11-28 07:41:28 C 03 44 56.27 +02 13 31.8 V 703
2021-11-28 07:49:02 C 03 45 06.15 +02 12 58.0 V 703
2021-11-28 07:56:35 C 03 45 16.05 +02 12 23.8 V 703
2021-11-28 08:04:08 C 03 45 25.95 +02 11 49.2 V 703
2021-11-28 08:10:44 C 03 45 34.48 +02 11 19.8 V 703
2021-11-28 08:18:24 C 03 45 44.63 +02 10 45.2 V 703
2021-11-28 08:26:03 C 03 45 54.66 +02 10 10.7 V 703
2021-11-28 08:33:42 C 03 46 04.74 +02 09 35.9 V 703
2021-11-28 10:40:51 C 03 49 09.20 +02 01 01.6 V T05
2021-11-28 10:50:06 C 03 49 21.56 +02 00 18.5 V T05
2021-11-28 11:05:35 C 03 49 42.42 +01 59 06.1 V T05
2021-11-29 21:45:55 C 04 51 48.59 -01 24 22.3 V 160
2021-11-29 21:47:50 C 04 51 52.52 -01 24 35.5 V 160
2021-11-29 21:49:44 C 04 51 56.46 -01 24 49.4 V 160
2025-11-12 05:28:46 C 02 31 22.260 +14 14 13.34 V G96
2025-11-12 05:36:52 C 02 31 23.909 +14 14 15.11 V G96
2025-11-12 05:44:56 C 02 31 25.565 +14 14 17.09 V G96
2025-11-12 05:53:00 C 02 31 27.206 +14 14 19.21 V G96
2025-11-12 06:31:05 C 02 31 34.608 +14 14 24.77 W H01
2025-11-12 06:36:11 C 02 31 35.650 +14 14 25.84 W H01
2025-11-12 06:53:09 C 02 31 39.139 +14 14 29.36 W H01
2025-11-12 07:00:43 C 02 31 40.705 +14 14 30.84 W H01
2025-11-12 07:27:54 B 02 31 45.466 +14 14 27.82 X 734
2025-11-12 07:53:49 B 02 31 50.935 +14 14 31.13 X 734
2025-11-12 08:07:21 C 02 31 54.800 +14 14 46.43 V I52
2025-11-12 08:09:47 C 02 31 55.344 +14 14 46.39 V I52
2025-11-12 08:12:14 C 02 31 55.830 +14 14 47.11 V I52
2025-11-12 20:17:00 B 02 34 57.254 +14 17 10.39 X J57
2025-11-12 20:32:02 B 02 35 00.770 +14 17 14.24 X J57
2025-11-13 06:57:13 C 02 37 37.054 +14 19 48.89 W H01
2025-11-13 07:02:01 C 02 37 38.204 +14 19 49.76 W H01
2025-11-13 07:17:46 C 02 37 41.958 +14 19 53.09 W H01
2025-11-13 07:29:10 C 02 37 44.686 +14 19 55.35 W H01
2025-11-14 06:05:45 C 02 44 14.032 +14 25 13.91 V G96
2025-11-14 06:13:08 C 02 44 16.076 +14 25 15.67 V G96
2025-11-14 06:20:31 C 02 44 18.100 +14 25 17.62 V G96
2025-11-14 06:27:55 C 02 44 20.116 +14 25 19.56 V G96
2025-11-18 21:42:38 B 03 34 20.203 +14 45 46.58 X K19
2025-11-18 21:47:50 B 03 34 23.364 +14 45 46.40 X K19
2025-11-18 21:53:02 B 03 34 26.539 +14 45 47.41 X K19
2025-11-19 16:46:20 C 03 47 26.82 +14 45 41.8 V D29
2025-11-19 17:06:42 C 03 47 41.05 +14 45 38.9 V D29