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
2017-05-19 09:16:42 C 13 16 49.049 -23 19 58.33 L F51
2017-05-19 09:34:30 C 13 16 48.278 -23 19 52.27 L F51
2020-04-21 07:08:45 C 12 09 30.947 -12 37 33.84 U F52
2020-04-21 07:23:49 C 12 09 30.264 -12 37 29.20 U F52
2020-04-21 07:38:51 C 12 09 29.578 -12 37 24.92 U F52
2020-04-22 07:56:20 C 12 08 27.598 -12 30 37.06 U F51
2020-04-22 08:29:33 C 12 08 26.123 -12 30 27.44 U F51
2020-04-22 08:46:10 C 12 08 25.413 -12 30 23.16 U F51
2020-04-27 07:32:35 C 12 03 43.493 -11 57 27.07 U F51
2020-04-27 07:50:38 C 12 03 42.797 -11 57 22.05 U F51
2020-04-27 08:08:45 C 12 03 42.112 -11 57 17.27 U F51
2020-04-27 08:26:49 C 12 03 41.407 -11 57 12.23 U F51
2024-12-11 06:48:20 C 07 08 41.460 +31 12 01.76 V G96
2024-12-11 06:59:39 C 07 08 40.873 +31 12 02.99 V G96
2024-12-11 07:18:49 C 07 08 39.858 +31 12 03.78 V G96
2024-12-28 07:47:08 C 06 43 52.806 +31 15 00.54 V V00
2024-12-28 07:56:17 C 06 43 52.208 +31 15 00.11 V V00
2024-12-28 08:05:16 C 06 43 51.596 +31 15 00.04 V V00
2024-12-28 08:14:16 C 06 43 51.028 +31 14 59.10 V V00