488693 (2003 WW87)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5697356577 ± 7.55e-09
Semi-major axis (a)2.5997842878 AU ± 8.86e-10
Inclination (i)46.85250867° ± 3.76e-06
Long. of Asc. Node (Ω)46.06848704° ± 1.25e-06
Arg. of Perihelion (ω)349.33350870° ± 5.36e-06
Mean Anomaly (M)89.20455282° ± 1.23e-06
Mean Motion (n)0.2351290581°/day ± 1.20e-10
Perihelion dist (q)1.11859448 AU ± 1.96e-08
Aphelion dist (Q)4.08097410 AU ± 1.97e-08
Orbital Period4.19185230 yr ± 2.14e-09
Physical Parameters
H (abs. magnitude)16.93
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.139″
Uncertainty0
Orbit TypeAmor
MOID0.132931 AU
Observations Used396
Oppositions19
Arc Total1999-2024
First Observation Used1999-10-15
Last Observation Used2024-12-27
Observations (471)
Date Type RA Dec Mag Band Observatory
2003-12-14 02:37:44 C 23 06 48.92 +02 06 58.7 18.1 c 704
2003-12-14 02:56:40 C 23 06 49.65 +02 08 12.5 18.0 c 704
2003-12-16 11:50:12 C 23 09 12.67 +05 45 03.2 r 413
2003-12-16 11:52:22 C 23 09 12.74 +05 45 11.1 r 413
2003-12-16 11:54:30 C 23 09 12.79 +05 45 19.2 r 413
2003-12-18 17:48:55 C 23 11 33.09 +08 58 49.6 c 246
2003-12-18 17:49:49 C 23 11 33.12 +08 58 52.1 c 246
2003-12-18 17:50:39 C 23 11 33.17 +08 58 55.0 c 246
2003-12-18 17:51:40 C 23 11 33.20 +08 58 58.7 c 246
2003-12-18 17:52:45 C 23 11 33.25 +08 59 02.5 c 246
2003-12-18 17:54:40 C 23 11 33.31 +08 59 08.9 c 246
2003-12-21 17:18:30 C 23 14 44.89 +12 59 07.7 i 071
2003-12-21 17:22:30 C 23 14 45.00 +12 59 20.3 i 071
2003-12-21 17:30:23 C 23 14 45.31 +12 59 44.1 i 071
2003-12-25 18:48:29 C 23 19 19.78 +17 57 50.7 r 170
2003-12-25 18:50:19 C 23 19 19.85 +17 57 55.9 r 170
2003-12-25 19:03:05 C 23 19 20.41 +17 58 31.2 r 170
2003-12-25 19:03:41 C 23 19 20.42 +17 58 33.4 r 170
2003-12-25 19:05:31 C 23 19 20.47 +17 58 39.1 r 170
2003-12-28 02:11:41 C 23 22 03.40 +20 33 47.9 c 670
2003-12-28 03:03:31 C 23 22 05.90 +20 36 09.2 c 670
2003-12-28 04:01:10 C 23 22 08.66 +20 38 46.6 c 670
2004-01-19 01:58:10 C 23 53 40.45 +39 13 36.9 19.0 c 704
2004-01-19 02:16:49 C 23 53 41.74 +39 14 07.0 19.2 c 704
2004-01-19 02:35:01 C 23 53 43.03 +39 14 37.5 19.2 c 704
2004-01-19 02:53:19 C 23 53 44.34 +39 15 08.0 19.7 c 704
2004-01-19 03:11:49 C 23 53 45.64 +39 15 37.4 19.4 c 704
2009-04-04 05:21:22 C 14 04 07.01 +29 30 08.5 o H55
2009-04-04 05:58:40 C 14 04 04.99 +29 30 11.7 o H55
2009-04-04 06:38:45 C 14 04 02.82 +29 30 14.0 o H55
2013-04-03 08:00:44 C 13 47 21.67 +39 27 22.9 u H21
2013-04-03 08:22:09 C 13 47 20.25 +39 27 23.1 u H21
2013-04-03 08:42:16 C 13 47 18.99 +39 27 23.7 u H21
2014-04-25 08:17:15 C 14 39 29.27 -02 44 08.2 L W84
2014-04-25 08:21:52 C 14 39 29.07 -02 44 08.1 L W84
2014-04-25 08:26:22 C 14 39 28.87 -02 44 07.8 L W84
2014-04-25 08:31:01 C 14 39 28.67 -02 44 07.8 L W84
2014-04-25 08:35:37 C 14 39 28.47 -02 44 07.6 L W84
2017-02-26 09:24:48 C 14 24 00.90 +49 39 23.0 u H21
2017-02-26 09:34:29 C 14 24 00.39 +49 39 27.0 u H21
2017-02-26 09:45:53 C 14 23 59.81 +49 39 32.0 u H21
2017-03-03 09:21:49 C 14 17 13.63 +50 26 57.8 u H21
2017-03-03 09:38:15 C 14 17 12.61 +50 27 03.8 u H21
2017-03-03 09:50:26 C 14 17 11.82 +50 27 08.0 u H21
2017-03-09 08:27:41 C 14 07 41.60 +51 14 14.7 u H21
2017-03-09 08:48:14 C 14 07 40.09 +51 14 20.8 u H21
2017-03-09 09:09:36 C 14 07 38.53 +51 14 27.0 u H21
2017-03-18 07:46:42 C 13 50 57.94 +52 00 26.4 u H21
2017-03-18 07:53:28 C 13 50 57.37 +52 00 27.3 u H21
2017-03-18 08:09:19 C 13 50 56.01 +52 00 29.4 u H21