2021 WW3

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4150732190 ± 1.40e-04
Semi-major axis (a)1.6526825508 AU ± 3.88e-04
Inclination (i)6.37392902° ± 1.72e-03
Long. of Asc. Node (Ω)75.65933925° ± 1.28e-04
Arg. of Perihelion (ω)27.96838397° ± 9.33e-05
Mean Anomaly (M)299.22932387° ± 2.32e-01
Mean Motion (n)0.4639039960°/day ± 1.63e-04
Perihelion dist (q)0.96669828 AU ± 3.24e-04
Aphelion dist (Q)2.33866682 AU ± 5.96e-04
Orbital Period2.12463417 yr ± 7.49e-04
Physical Parameters
H (abs. magnitude)26.96
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.292″
Uncertainty3
Orbit TypeApollo
MOID0.009970 AU
Observations Used36
Oppositions1
Arc Total2021-2021
First Observation Used2021-11-27
Last Observation Used2021-12-12
Observations (36)
Date Type RA Dec Mag Band Observatory
2021-11-27 09:46:34 C 03 32 41.701 -05 55 17.76 U F51
2021-11-27 10:02:50 C 03 32 43.177 -05 54 49.45 U F51
2021-11-27 10:19:04 C 03 32 44.677 -05 54 20.77 V F51
2021-11-27 10:35:17 C 03 32 46.221 -05 53 51.96 U F51
2021-11-28 08:03:40 C 03 36 02.025 -05 12 33.83 U F51
2021-11-28 08:12:46 C 03 36 03.081 -05 12 15.15 U F51
2021-11-28 08:30:57 C 03 36 05.155 -05 11 37.26 U F51
2021-11-29 02:12:59 C 03 39 06.19 -04 29 08.3 V 807
2021-11-29 02:19:28 C 03 39 07.09 -04 28 52.6 V 807
2021-11-29 02:25:41 C 03 39 07.97 -04 28 37.7 V 807
2021-11-29 06:50:08 C 03 39 52.681 -04 20 49.12 V 679
2021-11-29 06:54:39 C 03 39 53.302 -04 20 37.80 V 679
2021-11-30 05:02:57 C 03 44 25.41 -03 19 47.0 V 734
2021-11-30 05:22:11 C 03 44 28.79 -03 18 48.4 V 734
2021-11-30 05:40:11 C 03 44 31.91 -03 17 53.8 V 734
2021-12-02 04:36:28 C 03 57 32.89 -00 18 49.0 V I52
2021-12-02 04:37:05 C 03 57 33.14 -00 18 46.3 V I52
2021-12-03 06:54:40 C 04 07 33.93 +02 03 39.8 V G96
2021-12-03 07:02:11 C 04 07 36.72 +02 04 26.3 V G96
2021-12-03 07:09:41 C 04 07 39.51 +02 05 12.5 V G96
2021-12-03 07:17:08 C 04 07 42.29 +02 05 58.7 V G96
2021-12-03 20:06:47 C 04 13 57.94 +03 30 18.3 V 033
2021-12-03 20:07:37 C 04 13 58.35 +03 30 24.4 V 033
2021-12-03 20:08:27 C 04 13 58.72 +03 30 30.0 V 033
2021-12-07 19:15:19 C 05 52 06.06 +24 04 05.0 V 033
2021-12-07 19:15:44 C 05 52 06.85 +24 04 13.8 V 033
2021-12-07 19:16:08 C 05 52 07.61 +24 04 22.4 V 033
2021-12-07 19:16:45 C 05 52 08.79 +24 04 34.6 V 033
2021-12-08 08:54:37 C 06 21 20.34 +28 55 56.4 V I52
2021-12-08 08:54:52 C 06 21 20.89 +28 56 01.6 V I52
2021-12-08 08:55:06 C 06 21 21.39 +28 56 06.3 V I52
2021-12-08 08:55:20 C 06 21 21.94 +28 56 11.3 V I52
2021-12-12 10:03:50 C 11 26 37.79 +41 25 14.3 V I52
2021-12-12 10:05:03 C 11 26 40.23 +41 25 07.0 V I52
2021-12-12 10:06:16 C 11 26 42.76 +41 25 00.6 V I52
2021-12-12 10:07:29 C 11 26 45.28 +41 24 53.8 V I52