IAA RAS IAA Minor Planet Database

2021 WW2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5860209000 ± 2.00e+00
Semi-major axis (a)2.2663508000 AU ± 3.00e+00
Inclination (i)5.79827000° ± 4.00e+00
Long. of Asc. Node (Ω)249.26697000° ± 5.00e+00
Arg. of Perihelion (ω)228.01379000° ± 6.00e+00
Mean Anomaly (M)47.83090000° ± 5.51e+02
Mean Motion (n)0.2888772600°/day ± 5.74e-01
Perihelion dist (q)0.93822190 AU ± 4.70e+00
Aphelion dist (Q)3.59447970 AU ± 6.57e+00
Orbital Period3.41185610 yr ± 6.77e+00
Physical Parameters
H (abs. magnitude)25.51
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date—
RMS Residual0.770″
Uncertainty8
Orbit TypeApollo
MOID0.028913 AU
Observations Used46
Oppositions1
Arc Total—
First Observation Used—
Last Observation Used2021-12-12
Observations (48)
Date Type RA Dec Mag Band Observatory
2021-11-26 08:28:43 C 03 58 51.061 +25 48 29.68 – V F51
2021-11-26 08:50:39 C 03 58 53.797 +25 48 01.85 – V F51
2021-11-26 12:08:27 C 03 59 18.583 +25 43 36.44 – V F52
2021-11-28 06:28:31 C 04 06 15.81 +24 39 37.9 – V G96
2021-11-28 06:35:51 C 04 06 17.03 +24 39 25.8 – V G96
2021-11-28 06:43:11 C 04 06 18.09 +24 39 14.0 – V G96
2021-11-28 06:50:31 C 04 06 19.24 +24 39 01.2 – V G96
2021-11-28 09:09:41 C 04 06 41.34 +24 34 59.4 – V I52
2021-11-28 09:11:34 C 04 06 41.65 +24 34 56.1 – V I52
2021-11-28 09:13:27 C 04 06 41.97 +24 34 52.8 – V I52
2021-11-28 09:15:20 C 04 06 42.25 +24 34 49.2 – V I52
2021-11-29 03:57:52 C 04 10 21.69 +24 00 49.7 – V I52
2021-11-29 04:00:09 C 04 10 22.07 +24 00 45.7 – V I52
2021-11-29 04:02:25 C 04 10 22.49 +24 00 40.9 – V I52
2021-11-29 04:04:41 C 04 10 22.88 +24 00 36.5 – V I52
2021-11-29 05:03:21 C 04 10 31.37 +23 58 41.5 – u H21
2021-11-29 05:11:25 C 04 10 32.78 +23 58 26.2 – u H21
2021-11-29 05:19:27 C 04 10 34.21 +23 58 10.8 – u H21
2021-12-01 07:42:07 C 04 21 56.30 +22 04 46.8 – V I52
2021-12-01 07:42:36 C 04 21 56.40 +22 04 45.4 – V I52
2021-12-01 07:43:21 C 04 21 56.58 +22 04 43.5 – V I52
2021-12-01 07:45:50 C 04 21 57.14 +22 04 37.0 – V I52
2021-12-02 21:04:14 C 04 32 34.57 +20 13 06.0 – V 033
2021-12-02 21:05:08 C 04 32 34.82 +20 13 02.8 – V 033
2021-12-02 21:06:02 C 04 32 35.10 +20 13 00.4 – V 033
2021-12-02 21:07:08 C 04 32 35.39 +20 12 56.6 – V 033
2021-12-03 19:58:42 C 04 40 14.50 +18 49 38.4 – V 033
2021-12-03 19:59:32 C 04 40 14.79 +18 49 34.5 – V 033
2021-12-03 20:00:22 C 04 40 15.08 +18 49 31.6 – V 033
2021-12-05 06:34:11 C 04 53 50.41 +16 15 35.6 – V I52
2021-12-05 06:34:52 C 04 53 50.68 +16 15 31.9 – V I52
2021-12-05 06:35:47 C 04 53 51.01 +16 15 27.2 – V I52
2021-12-05 06:36:04 C 04 53 51.13 +16 15 25.7 – V I52
2021-12-06 22:24:59 C 05 13 32.92 +12 19 11.0 – V 204
2021-12-06 22:47:20 C 05 13 44.68 +12 16 37.7 – V 204
2021-12-07 20:54:27 C 05 27 06.05 +09 30 00.8 – V 033
2021-12-07 20:55:01 C 05 27 06.42 +09 29 55.4 – V 033
2021-12-07 20:55:36 C 05 27 06.78 +09 29 50.5 – V 033
2021-12-07 20:56:24 C 05 27 07.30 +09 29 45.5 – V 033
2021-12-07 20:57:05 C 05 27 07.70 +09 29 39.6 – V 033
2021-12-07 20:57:44 C 05 27 08.11 +09 29 34.6 – V 033
2021-12-09 07:26:14 C 05 52 01.65 +04 07 56.9 – V I52
2021-12-09 07:26:39 C 05 52 01.98 +04 07 51.8 – V I52
2021-12-09 07:27:03 C 05 52 02.29 +04 07 48.0 – V I52
2021-12-09 07:27:27 C 05 52 02.60 +04 07 43.8 – V I52
2021-12-12 08:55:32 C 07 06 49.47 -12 00 28.8 – V I52
2021-12-12 08:55:55 C 07 06 49.92 -12 00 33.3 – V I52
2021-12-12 08:56:19 C 07 06 50.25 -12 00 41.0 – V I52