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
1999-10-15 10:37:31 C 08 12 08.83 +36 49 40.8 c 699
1999-10-15 11:10:31 C 08 12 15.03 +36 51 20.1 c 699
1999-10-15 11:43:31 C 08 12 21.26 +36 52 55.6 c 699
2003-11-24 01:35:21 C 22 48 47.27 -34 40 44.6 o 699
2003-11-24 01:49:58 C 22 48 47.71 -34 39 34.2 o 699
2003-11-24 02:04:31 C 22 48 48.19 -34 38 23.9 o 699
2003-11-24 02:19:07 C 22 48 48.58 -34 37 13.8 o 699
2003-11-24 17:38:05 C 22 49 20.16 -33 23 14.4 r 620
2003-11-24 17:47:55 C 22 49 20.44 -33 22 27.3 r 620
2003-11-24 17:59:46 C 22 49 20.77 -33 21 29.2 r 620
2003-11-24 18:09:36 C 22 49 21.12 -33 20 41.5 r 620
2003-11-24 19:23:39 C 22 49 23.28 -33 14 43.1 r 176
2003-11-24 19:24:40 C 22 49 23.31 -33 14 38.3 r 176
2003-11-24 19:25:39 C 22 49 23.34 -33 14 33.5 r 176
2003-11-24 19:26:38 C 22 49 23.37 -33 14 28.9 r 176
2003-11-24 19:27:38 C 22 49 23.40 -33 14 24.1 r 176
2003-11-26 09:33:40 C 22 50 42.11 -30 08 55.9 r 428
2003-11-26 09:37:48 C 22 50 42.24 -30 08 35.3 r 428
2003-11-26 09:41:55 C 22 50 42.28 -30 08 15.5 r 428
2003-11-28 01:38:11 C 22 52 06.82 -26 53 33.3 r 448
2003-11-28 01:43:01 C 22 52 06.93 -26 53 09.8 r 448
2003-11-28 01:47:50 C 22 52 07.12 -26 52 46.5 r 448
2003-11-28 11:35:13 C 22 52 27.26 -26 04 40.0 r E14
2003-11-28 12:07:23 C 22 52 28.32 -26 02 02.7 r E14
2003-11-28 12:38:47 C 22 52 29.32 -25 59 28.3 r E14
2003-11-30 01:57:06 C 22 53 50.15 -22 58 04.5 r 448
2003-11-30 02:35:27 C 22 53 51.47 -22 54 58.6 r 448
2003-11-30 02:50:18 C 22 53 51.95 -22 53 46.4 r 448
2003-12-03 01:47:34 C 22 56 27.92 -17 12 19.9 r 448
2003-12-03 01:54:11 C 22 56 28.15 -17 11 48.9 r 448
2003-12-03 02:00:49 C 22 56 28.37 -17 11 17.5 r 448
2003-12-06 17:50:18 C 22 59 47.24 -10 22 39.9 r 620
2003-12-06 17:57:51 C 22 59 47.48 -10 22 05.2 r 620
2003-12-06 18:05:25 C 22 59 47.73 -10 21 31.1 r 620
2003-12-07 01:09:38 C 23 00 04.08 -09 49 29.5 r 448
2003-12-07 01:15:36 C 23 00 04.27 -09 49 02.5 r 448
2003-12-07 01:28:23 C 23 00 04.74 -09 48 05.2 r 448
2003-12-07 12:18:12 C 23 00 29.01 -08 59 04.4 r 413
2003-12-07 12:20:20 C 23 00 29.07 -08 58 54.8 r 413
2003-12-07 12:22:29 C 23 00 29.17 -08 58 45.3 r 413
2003-12-08 17:21:27 C 23 01 37.70 -06 50 32.3 r 170
2003-12-08 17:22:34 C 23 01 37.73 -06 50 27.6 r 170
2003-12-08 17:23:40 C 23 01 37.76 -06 50 22.8 r 170
2003-12-08 17:25:54 C 23 01 37.84 -06 50 13.2 r 170
2003-12-09 02:43:26 C 23 01 59.23 -06 09 34.1 c 926
2003-12-09 02:44:44 C 23 01 59.30 -06 09 27.8 c 926
2003-12-09 02:45:59 C 23 01 59.36 -06 09 21.8 c 926
2003-12-14 01:40:57 C 23 06 46.76 +02 03 16.0 18.0 c 704
2003-12-14 01:59:57 C 23 06 47.48 +02 04 31.1 18.4 c 704
2003-12-14 02:18:56 C 23 06 48.19 +02 05 44.9 18.3 c 704