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
2024-11-25 17:38:06 C 23 24 55.65 +25 41 42.3 X G02
2024-11-25 17:43:41 C 23 24 54.87 +25 42 10.1 X G02
2024-11-25 18:10:06 C 23 24 51.08 +25 44 22.7 V M32
2024-11-25 18:12:11 C 23 24 50.79 +25 44 33.1 V M32
2024-11-25 18:14:17 C 23 24 50.49 +25 44 43.6 V M32
2024-11-25 18:16:22 C 23 24 50.20 +25 44 54.0 V M32
2024-11-25 18:18:28 C 23 24 49.91 +25 45 04.5 V M32
2024-11-26 05:50:37 C 23 23 18.287 +26 41 40.74 V 703
2024-11-26 05:53:54 C 23 23 17.848 +26 41 56.44 V 703
2024-11-26 06:00:27 C 23 23 16.724 +26 42 29.81 V 703
2024-11-27 07:22:37 C 23 20 09.538 +28 39 33.34 V T05
2024-11-27 07:32:33 C 23 20 08.287 +28 40 16.90 V T05
2024-11-27 07:49:46 C 23 20 06.122 +28 41 32.35 V T05
2024-11-27 17:55:27 B 23 18 56.95 +29 25 14.1 X 122
2024-11-27 18:06:44 B 23 18 55.58 +29 26 02.3 X 122
2024-11-27 18:17:53 B 23 18 54.23 +29 26 50.0 X 122
2024-11-28 06:54:24 C 23 17 28.157 +30 19 42.10 V T05
2024-11-28 06:59:42 C 23 17 27.535 +30 20 03.59 V T05
2024-11-28 07:09:51 C 23 17 26.338 +30 20 44.77 V T05
2024-11-28 07:25:40 C 23 17 24.475 +30 21 49.10 V T05
2024-11-28 16:54:30 B 23 16 24.34 +30 59 50.4 V 130
2024-11-28 16:56:32 B 23 16 24.09 +30 59 58.3 V 130
2024-11-28 16:58:33 B 23 16 23.86 +31 00 06.3 V 130
2024-11-28 17:00:34 B 23 16 23.64 +31 00 14.4 V 130
2024-11-28 19:05:20 C 23 16 09.718 +31 08 25.37 Z C23
2024-11-28 20:58:17 C 23 15 57.180 +31 15 47.38 Z C23
2024-11-29 02:03:52 C 23 15 26.046 +31 35 45.24 V 703
2024-11-29 02:08:39 C 23 15 25.510 +31 36 03.53 V 703
2024-11-29 02:13:27 C 23 15 24.973 +31 36 22.07 V 703
2024-11-29 02:18:19 C 23 15 24.437 +31 36 40.86 V 703
2024-11-29 17:10:29 B 23 13 54.509 +32 32 28.43 V L65
2024-11-29 17:31:28 B 23 13 52.332 +32 33 45.68 V L65
2024-11-29 17:52:26 B 23 13 50.146 +32 35 02.76 V L65
2024-11-29 18:28:04 C 23 13 46.498 +32 37 14.09 Z C23
2024-11-29 18:29:49 C 23 13 46.310 +32 37 20.96 Z C23
2024-11-29 19:02:23 C 23 13 42.953 +32 39 19.98 Z C23
2024-11-30 19:12:44 B 23 11 25.841 +34 04 32.20 V 160
2024-11-30 19:20:16 B 23 11 25.046 +34 04 56.28 V 160
2024-11-30 19:24:29 C 23 11 24.708 +34 05 10.32 q L05
2024-11-30 19:27:40 B 23 11 24.355 +34 05 21.52 V 160
2024-11-30 19:31:30 C 23 11 24.019 +34 05 34.01 q L05
2024-11-30 19:39:14 C 23 11 23.282 +34 06 00.14 q L05
2024-11-30 19:45:33 C 23 11 22.675 +34 06 21.35 q L05
2024-11-30 19:52:35 C 23 11 21.984 +34 06 45.11 q L05
2024-11-30 19:59:37 C 23 11 21.329 +34 07 08.51 q L05
2024-11-30 20:05:57 C 23 11 20.712 +34 07 29.86 q L05
2024-11-30 20:12:59 C 23 11 20.035 +34 07 53.47 q L05
2024-12-01 09:37:36 C 23 10 08.002 +34 52 26.00 V T05
2024-12-01 09:44:59 C 23 10 07.378 +34 52 49.51 V T05
2024-12-01 09:51:04 C 23 10 06.835 +34 53 08.95 V T05