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
2024-12-13 08:13:10 C 22 55 20.431 +45 47 25.30 V T08
2024-12-13 08:14:29 C 22 55 20.424 +45 47 26.52 V T08
2024-12-13 08:17:52 C 22 55 20.376 +45 47 33.07 V T08
2024-12-13 08:19:11 C 22 55 20.299 +45 47 34.44 V T08
2024-12-13 08:36:33 C 22 55 19.925 +45 48 00.43 V T08
2024-12-16 07:08:15 C 22 54 06.773 +47 35 38.22 V T08
2024-12-16 07:12:17 C 22 54 06.763 +47 35 44.34 V T08
2024-12-16 07:39:51 C 22 54 06.317 +47 36 21.78 V T08
2024-12-16 07:47:17 C 22 54 06.259 +47 36 31.97 V T08
2024-12-17 07:32:58 C 22 53 51.991 +48 09 56.66 V T08
2024-12-17 07:40:25 C 22 53 51.804 +48 10 05.88 V T08
2024-12-17 07:45:03 C 22 53 51.718 +48 10 13.15 V T08
2024-12-17 07:59:08 C 22 53 51.634 +48 10 30.22 V T08
2024-12-23 05:39:15 C 22 54 04.202 +51 07 11.57 V T05
2024-12-23 05:47:10 C 22 54 04.272 +51 07 20.14 V T05
2024-12-23 05:51:45 C 22 54 04.248 +51 07 25.14 V T05
2024-12-23 06:06:49 C 22 54 04.375 +51 07 42.28 V T05
2024-12-27 06:07:01 C 22 55 38.789 +52 51 17.14 V T05
2024-12-27 06:14:30 C 22 55 38.957 +52 51 24.52 V T05
2024-12-27 06:19:10 C 22 55 38.976 +52 51 29.59 V T05
2024-12-27 06:35:47 C 22 55 39.310 +52 51 46.15 V T05