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
2024-11-22 16:28:38 C 23 35 48.18 +18 46 47.3 q 168
2024-11-22 16:54:34 C 23 35 43.74 +18 49 32.8 q 168
2024-11-22 17:20:37 C 23 35 39.30 +18 52 18.7 q 168
2024-11-22 17:38:40 C 23 35 36.24 +18 54 12.7 q 168
2024-11-22 18:20:19 B 23 35 30.295 +18 58 45.66 V 160
2024-11-22 18:24:46 B 23 35 29.506 +18 59 13.63 V 160
2024-11-22 18:28:55 B 23 35 28.774 +18 59 40.09 V 160
2024-11-23 17:00:12 C 23 31 54.370 +21 17 24.61 V K73
2024-11-23 17:12:31 C 23 31 52.397 +21 18 37.26 V K73
2024-11-23 17:19:35 C 23 31 51.257 +21 19 19.24 V K73
2024-11-23 20:20:21 B 23 31 22.230 +21 36 56.95 V L92
2024-11-23 20:22:23 B 23 31 21.980 +21 37 08.29 V L92
2024-11-23 20:24:26 B 23 31 21.665 +21 37 19.88 V L92
2024-11-23 20:25:27 B 23 31 21.420 +21 37 25.94 V L92
2024-11-23 20:26:29 B 23 31 21.247 +21 37 32.66 V L92
2024-11-24 06:33:39 C 23 29 49.405 +22 35 27.85 V 703
2024-11-24 06:36:55 C 23 29 48.930 +22 35 46.07 V 703
2024-11-24 06:40:11 C 23 29 48.426 +22 36 04.50 V 703
2024-11-24 06:43:27 C 23 29 47.929 +22 36 22.64 V 703
2024-11-24 08:00:43 C 23 29 37.003 +22 43 46.38 V T05
2024-11-24 08:05:20 C 23 29 36.286 +22 44 11.98 V T05
2024-11-24 08:13:17 C 23 29 35.054 +22 44 56.44 V T05
2024-11-24 08:29:41 C 23 29 32.534 +22 46 27.48 V T05
2024-11-24 13:41:39 C 23 28 49.00 +23 15 00.2 q 168
2024-11-24 14:38:08 C 23 28 40.51 +23 20 10.9 q 168
2024-11-24 15:15:07 C 23 28 34.97 +23 23 33.3 q 168
2024-11-24 15:58:01 C 23 28 28.57 +23 27 27.4 q 168
2024-11-24 16:40:09 C 23 28 22.29 +23 31 16.8 q 168
2024-11-24 17:23:09 C 23 28 15.91 +23 35 10.0 q 168
2024-11-24 18:12:03 C 23 28 08.70 +23 39 33.9 q 168
2024-11-24 18:48:51 B 23 28 03.72 +23 42 57.2 X L99
2024-11-24 18:52:21 B 23 28 03.21 +23 43 16.3 X L99
2024-11-24 18:54:59 C 23 28 02.42 +23 43 25.3 q 168
2024-11-24 18:55:51 B 23 28 02.63 +23 43 35.9 X L99
2024-11-24 19:23:39 B 23 27 58.790 +23 46 12.52 V L92
2024-11-24 19:26:43 B 23 27 58.364 +23 46 28.27 V L92
2024-11-24 19:29:46 B 23 27 57.920 +23 46 43.88 V L92
2024-11-24 19:32:50 B 23 27 57.397 +23 47 01.19 V L92
2024-11-24 19:35:53 B 23 27 57.009 +23 47 17.55 V L92
2024-11-24 19:38:57 B 23 27 56.481 +23 47 34.00 V L92
2024-11-24 19:42:01 B 23 27 56.043 +23 47 50.56 V L92
2024-11-24 19:45:04 B 23 27 55.559 +23 48 06.37 V L92
2024-11-24 19:48:08 B 23 27 55.134 +23 48 23.16 V L92
2024-11-24 19:49:08 C 23 27 54.59 +23 48 15.8 q 168
2024-11-24 19:51:11 B 23 27 54.648 +23 48 38.10 V L92
2024-11-25 17:13:05 C 23 24 59.239 +25 39 41.40 V K73
2024-11-25 17:19:26 C 23 24 58.334 +25 40 13.62 V K73
2024-11-25 17:26:40 C 23 24 57.326 +25 40 49.84 V K73
2024-11-25 17:32:32 C 23 24 56.43 +25 41 14.4 X G02
2024-11-25 17:35:27 C 23 24 56.081 +25 41 33.61 V K73