2021 WR3

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5763739513 ± 1.08e-07
Semi-major axis (a)1.8303883353 AU ± 2.39e-08
Inclination (i)33.18584352° ± 3.53e-05
Long. of Asc. Node (Ω)219.34908631° ± 2.57e-05
Arg. of Perihelion (ω)332.46700049° ± 3.55e-05
Mean Anomaly (M)152.95039479° ± 1.62e-05
Mean Motion (n)0.3980131463°/day ± 7.78e-09
Perihelion dist (q)0.77540018 AU ± 1.97e-07
Aphelion dist (Q)2.88537649 AU ± 2.00e-07
Orbital Period2.47636615 yr ± 4.84e-08
Physical Parameters
H (abs. magnitude)19.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.248″
Uncertainty0
Orbit TypeApollo
MOID0.190487 AU
Observations Used38
Oppositions7
Arc Total2011-2022
First Observation Used2011-12-02
Last Observation Used2022-08-19
Observations (40)
Date Type RA Dec Mag Band Observatory
2011-12-02 07:23:01 C 02 25 22.629 +02 29 25.67 V F51
2011-12-02 07:40:01 C 02 25 21.700 +02 29 14.17 V F51
2016-10-07 11:22:11 C 03 59 19.050 +16 36 36.34 V F51
2016-10-07 11:41:00 C 03 59 18.664 +16 36 26.11 V F51
2016-11-05 09:53:08 C 03 30 36.492 +08 23 52.26 V F51
2016-11-05 10:11:56 C 03 30 35.296 +08 23 35.98 V F51
2016-11-05 10:30:45 C 03 30 34.116 +08 23 19.54 V F51
2017-08-13 06:12:28 C 15 18 45.635 +25 56 44.75 V F51
2017-08-13 06:30:08 C 15 18 48.553 +25 56 34.25 V F51
2017-08-13 06:47:48 C 15 18 51.480 +25 56 23.76 V F51
2021-10-31 09:19:16 C 04 08 10.156 +07 39 51.09 V F52
2021-10-31 09:35:41 C 04 08 09.328 +07 39 35.98 V F52
2021-11-06 12:01:01 C 04 00 24.041 +05 21 22.55 V F52
2021-11-06 12:18:42 C 04 00 22.991 +05 21 05.55 V F52
2021-11-06 12:36:20 C 04 00 21.944 +05 20 48.40 V F52
2021-11-06 12:53:56 C 04 00 20.905 +05 20 31.34 V F52
2021-11-12 10:29:44 C 03 51 36.837 +02 59 34.38 V F51
2021-11-12 11:24:22 C 03 51 33.149 +02 58 39.15 V F51
2021-11-25 09:02:03 C 03 29 41.789 -02 13 17.34 V F52
2021-11-25 09:17:42 C 03 29 40.575 -02 13 32.80 V F52
2021-11-27 09:43:46 C 03 26 06.934 -03 00 13.88 U F51
2021-11-27 10:00:03 C 03 26 05.696 -03 00 28.97 U F51
2021-11-27 10:16:16 C 03 26 04.469 -03 00 44.73 U F51
2021-11-27 10:32:29 C 03 26 03.242 -03 00 59.82 U F51
2021-11-28 03:42:56 C 03 24 47.77 -03 17 09.7 V 807
2021-11-28 03:48:16 C 03 24 47.40 -03 17 15.1 V 807
2021-11-28 03:53:38 C 03 24 46.96 -03 17 19.6 V 807
2021-11-29 01:50:13 C 03 23 10.83 -03 37 54.6 V 807
2021-11-29 01:55:33 C 03 23 10.41 -03 37 59.3 V 807
2021-11-29 02:00:52 C 03 23 10.00 -03 38 04.1 V 807
2021-11-29 05:49:05 C 03 22 53.16 -03 41 46.2 V I52
2021-11-29 05:55:43 C 03 22 52.63 -03 41 52.4 V I52
2021-11-29 05:59:22 C 03 22 52.46 -03 41 54.5 V I52
2022-06-02 04:14:19 C 08 37 38.200 +28 59 12.60 V I52
2022-06-02 04:17:08 C 08 37 39.080 +28 59 22.70 V I52
2022-07-11 21:21:49 C 14 33 57.89 +47 03 19.7 X C95
2022-07-11 23:11:34 C 14 34 23.69 +47 01 43.1 X C95
2022-08-19 02:10:50 C 16 50 19.54 +31 33 49.2 u H21
2022-08-19 02:18:53 C 16 50 20.44 +31 33 42.4 u H21
2022-08-19 02:28:34 C 16 50 21.51 +31 33 34.2 u H21