2011 WC44

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6984611765 ± 7.91e-05
Semi-major axis (a)2.4151050523 AU ± 5.29e-04
Inclination (i)20.71552350° ± 2.10e-03
Long. of Asc. Node (Ω)244.96455712° ± 5.17e-04
Arg. of Perihelion (ω)92.22896444° ± 1.47e-04
Mean Anomaly (M)279.10355990° ± 4.68e-01
Mean Motion (n)0.2626081719°/day ± 8.63e-05
Perihelion dist (q)0.72824794 AU ± 2.49e-04
Aphelion dist (Q)4.10196217 AU ± 9.19e-04
Orbital Period3.75322015 yr ± 1.23e-03
Physical Parameters
H (abs. magnitude)20.50
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.222″
Uncertainty3
Orbit TypeApollo
MOID0.097377 AU
Observations Used107
Oppositions1
Arc Total2011-2011
First Observation Used2011-11-26
Last Observation Used2011-12-27
Observations (121)
Date Type RA Dec Mag Band Observatory
2011-12-06 10:36:18 C 04 52 30.98 +10 42 21.8 o 291
2011-12-06 10:38:23 C 04 52 30.78 +10 42 18.8 o 291
2011-12-07 05:13:59 C 04 50 47.29 +10 16 02.4 o 291
2011-12-07 05:16:12 C 04 50 47.09 +10 15 59.5 o 291
2011-12-07 05:18:23 C 04 50 46.87 +10 15 56.3 o 291
2011-12-12 05:21:15 C 04 41 24.52 +07 57 39.4 o H21
2011-12-12 05:31:50 C 04 41 23.77 +07 57 28.9 o H21
2011-12-12 05:42:26 C 04 41 23.05 +07 57 19.2 o H21
2011-12-13 05:56:41 C 04 39 50.76 +07 35 31.1 o 807
2011-12-13 06:07:10 C 04 39 50.07 +07 35 21.8 o 807
2011-12-13 06:22:18 C 04 39 49.10 +07 35 08.0 o 807
2011-12-24 08:39:23 C 04 28 53.82 +05 00 34.7 o 291
2011-12-24 08:44:49 C 04 28 53.67 +05 00 32.8 o 291
2011-12-24 08:50:13 C 04 28 53.55 +05 00 30.9 o 291
2011-12-25 04:24:34 C 04 28 26.86 +04 54 05.8 u H21
2011-12-25 04:32:12 C 04 28 26.69 +04 54 03.4 u H21
2011-12-25 04:40:09 C 04 28 26.50 +04 54 01.0 u H21
2011-12-25 04:51:22 C 04 28 26.21 +04 53 57.6 u H21
2011-12-27 07:42:38 C 04 27 26.54 +04 39 47.2 o 291
2011-12-27 07:53:50 C 04 27 26.29 +04 39 43.8 o 291
2011-12-27 08:05:02 C 04 27 26.06 +04 39 41.0 o 291