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
2024-11-19 17:26:58 B 23 48 48.54 +10 17 47.9 X L99
2024-11-19 17:28:22 B 23 48 48.26 +10 17 59.5 X L99
2024-11-19 17:29:46 B 23 48 47.93 +10 18 10.8 X L99
2024-11-19 17:31:10 B 23 48 47.59 +10 18 20.6 X L99
2024-11-20 04:30:31 C 23 46 35.771 +11 44 43.15 V 703
2024-11-20 04:33:47 C 23 46 35.108 +11 45 08.46 V 703
2024-11-20 04:37:02 C 23 46 34.435 +11 45 33.62 V 703
2024-11-20 04:40:18 C 23 46 33.769 +11 45 58.61 V 703
2024-11-20 07:26:41 C 23 46 01.382 +12 07 25.00 V T08
2024-11-20 07:33:34 C 23 45 59.971 +12 08 17.66 V T08
2024-11-20 07:47:40 C 23 45 57.103 +12 10 05.16 V T08
2024-11-20 07:52:41 C 23 45 56.117 +12 10 42.64 V T05
2024-11-20 07:57:17 C 23 45 55.178 +12 11 17.74 V T05
2024-11-20 08:05:48 C 23 45 53.443 +12 12 22.79 V T05
2024-11-20 08:11:03 C 23 45 52.342 +12 13 03.47 V T08
2024-11-21 00:23:15 C 23 42 48.97 +14 14 17.3 834
2024-11-21 01:12:57 C 23 42 39.36 +14 20 18.1 834
2024-11-21 04:16:37 C 23 42 05.821 +14 41 41.53 V 703
2024-11-21 04:19:53 C 23 42 05.195 +14 42 04.90 V 703
2024-11-21 04:23:09 C 23 42 04.572 +14 42 28.33 V 703
2024-11-21 04:26:25 C 23 42 03.942 +14 42 51.80 V 703
2024-11-21 07:56:50 C 23 41 25.231 +15 07 59.99 V T08
2024-11-21 08:01:27 C 23 41 24.350 +15 08 32.64 V T08
2024-11-21 08:12:04 C 23 41 22.334 +15 09 47.66 V T08
2024-11-21 08:45:09 C 23 41 16.075 +15 13 41.16 V T08
2024-11-21 19:10:10 C 23 39 25.80 +16 25 55.9 V M32
2024-11-21 19:11:47 C 23 39 25.50 +16 26 06.8 V M32
2024-11-21 19:13:24 C 23 39 25.20 +16 26 18.1 V M32
2024-11-21 19:15:04 C 23 39 24.90 +16 26 29.5 V M32
2024-11-21 19:16:45 C 23 39 24.60 +16 26 40.9 V M32
2024-11-21 23:06:12 C 23 38 43.733 +16 52 36.77 Z C23
2024-11-21 23:12:04 C 23 38 42.653 +16 53 17.38 Z C23
2024-11-22 03:16:58 C 23 38 01.590 +17 20 53.99 V 703
2024-11-22 03:20:16 C 23 38 01.014 +17 21 15.88 V 703
2024-11-22 03:23:35 C 23 38 00.388 +17 21 38.09 V 703
2024-11-22 03:26:53 C 23 37 59.797 +17 22 00.05 V 703
2024-11-22 04:05:47 C 23 37 52.788 +17 26 18.67 V G96
2024-11-22 04:13:57 C 23 37 51.316 +17 27 12.92 V G96
2024-11-22 04:22:08 C 23 37 49.850 +17 28 07.14 V G96
2024-11-22 04:30:19 C 23 37 48.378 +17 29 01.39 V G96
2024-11-22 07:09:43 C 23 37 21.314 +17 46 43.39 V T08
2024-11-22 07:14:27 C 23 37 20.462 +17 47 14.42 V T08
2024-11-22 07:23:49 C 23 37 18.787 +17 48 15.98 V T08
2024-11-22 07:39:28 C 23 37 15.989 +17 49 58.73 V T08
2024-11-22 13:35:18 C 23 36 17.90 +18 28 14.3 q 168
2024-11-22 14:02:35 C 23 36 13.21 +18 31 10.7 q 168
2024-11-22 14:30:39 C 23 36 08.40 +18 34 11.4 q 168
2024-11-22 14:58:35 C 23 36 03.59 +18 37 11.0 q 168
2024-11-22 15:26:38 C 23 35 58.79 +18 40 10.9 q 168
2024-11-22 15:54:34 C 23 35 53.98 +18 43 09.5 q 168