411655 (2011 WW4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4221395635 ± 4.09e-08
Semi-major axis (a)2.1616284166 AU ± 3.23e-09
Inclination (i)7.61267986° ± 5.16e-06
Long. of Asc. Node (Ω)318.30934817° ± 4.19e-05
Arg. of Perihelion (ω)9.15012430° ± 4.40e-05
Mean Anomaly (M)187.13329048° ± 1.05e-05
Mean Motion (n)0.3101278117°/day ± 6.95e-10
Perihelion dist (q)1.24911954 AU ± 8.83e-08
Aphelion dist (Q)3.07413729 AU ± 8.84e-08
Orbital Period3.17812929 yr ± 7.12e-09
Physical Parameters
H (abs. magnitude)18.56
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.320″
Uncertainty0
Orbit TypeAmor
MOID0.235949 AU
Observations Used116
Oppositions20
Arc Total1995-2024
First Observation Used1995-08-01
Last Observation Used2024-12-28
Observations (119)
Date Type RA Dec Mag Band Observatory
2011-11-26 01:38:19 C 02 55 47.70 +33 56 31.8 t 204
2011-11-26 01:58:56 C 02 55 46.80 +33 56 21.8 t 204
2011-11-27 07:14:03 C 02 54 36.90 +33 42 20.6 r 703
2011-11-27 07:22:28 C 02 54 36.57 +33 42 17.2 r 703
2011-11-27 07:30:50 C 02 54 36.18 +33 42 12.2 r 703
2011-11-27 07:39:10 C 02 54 35.96 +33 42 08.3 r 703
2011-11-30 05:24:06 C 02 52 06.33 +33 08 32.1 u 448
2011-11-30 06:00:57 C 02 52 05.05 +33 08 14.4 u 448
2011-11-30 06:37:35 C 02 52 03.73 +33 07 56.4 u 448
2011-11-30 09:54:33 C 02 51 57.295 +33 06 23.81 L F51
2011-11-30 10:14:08 C 02 51 56.593 +33 06 14.32 L F51
2011-11-30 10:33:37 C 02 51 55.903 +33 06 04.74 L F51
2011-11-30 10:53:09 C 02 51 55.212 +33 05 55.20 L F51
2011-12-01 01:03:05 C 02 51 29.01 +32 59 03.9 o H21
2011-12-01 01:14:23 C 02 51 28.64 +32 58 58.7 o H21
2011-12-01 01:25:05 C 02 51 28.27 +32 58 53.9 o H21
2012-01-18 05:16:43 C 03 03 22.46 +27 07 03.6 o 291
2012-01-18 05:28:09 C 03 03 22.93 +27 07 02.3 o 291
2012-01-18 05:39:35 C 03 03 23.38 +27 07 00.9 o 291
2014-06-02 14:37:35 C 17 24 02.38 -41 50 00.1 o 474
2014-06-02 14:40:37 C 17 24 02.25 -41 50 00.5 o 474
2014-06-02 14:43:41 C 17 24 02.13 -41 50 01.2 o 474
2014-06-02 14:46:43 C 17 24 02.02 -41 50 01.7 o 474
2014-07-13 00:18:40 C 16 47 16.75 -37 52 34.4 u 807
2014-07-13 00:25:28 C 16 47 16.64 -37 52 30.5 u 807
2014-07-13 00:32:13 C 16 47 16.54 -37 52 26.4 u 807
2014-09-13 20:23:05 C 18 43 07.65 -19 09 14.8 q 204
2014-09-13 20:38:11 C 18 43 09.59 -19 09 02.9 q 204
2014-10-01 01:53:32 C 19 40 25.98 -13 29 55.0 q 448
2014-10-01 02:11:45 C 19 40 28.52 -13 29 39.5 q 448
2014-10-01 02:30:33 C 19 40 30.99 -13 29 23.9 q 448
2014-10-04 01:51:50 C 19 50 35.35 -12 30 41.9 q 448
2014-10-04 02:13:14 C 19 50 38.24 -12 30 24.4 q 448
2014-10-04 02:32:02 C 19 50 40.70 -12 30 09.6 q 448
2014-10-23 02:05:39 C 20 54 00.41 -06 24 31.1 q 448
2014-10-23 02:39:48 C 20 54 04.91 -06 24 04.7 q 448
2014-10-23 03:06:34 C 20 54 08.43 -06 23 43.8 q 448
2014-10-25 05:54:07 C 21 01 01.166 -05 44 28.06 L F51
2014-10-25 06:12:05 C 21 01 03.521 -05 44 14.08 L F51
2014-10-25 06:48:04 C 21 01 08.245 -05 43 46.56 L F51
2014-11-23 05:04:05 C 22 29 42.457 +02 30 16.60 L F51
2014-11-23 05:20:55 C 22 29 44.426 +02 30 27.56 L F51
2014-11-23 05:37:42 C 22 29 46.407 +02 30 38.55 L F51
2014-11-23 05:54:28 C 22 29 48.373 +02 30 49.41 L F51
2014-12-12 05:04:53 C 23 22 22.550 +07 12 09.44 L F51
2014-12-12 05:20:34 C 23 22 24.258 +07 12 18.66 L F51
2014-12-12 05:36:15 C 23 22 25.972 +07 12 27.70 L F51
2014-12-12 05:51:54 C 23 22 27.686 +07 12 36.75 L F51
2017-05-19 08:41:11 C 13 16 50.579 -23 20 10.30 L F51
2017-05-19 08:58:56 C 13 16 49.816 -23 20 04.32 L F51