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
2017-03-23 11:28:09 C 13 40 29.383 +52 11 03.81 L F51
2017-03-23 12:13:18 C 13 40 25.359 +52 11 05.48 L F51
2017-03-23 12:35:49 C 13 40 23.408 +52 11 06.02 L F51
2020-09-08 11:12:50 C 06 49 24.18 +24 29 15.8 V G96
2020-09-08 11:19:45 C 06 49 25.19 +24 29 28.3 V G96
2020-09-08 11:26:43 C 06 49 26.19 +24 29 40.9 V G96
2020-09-08 11:33:39 C 06 49 27.26 +24 29 52.8 V G96
2020-09-16 02:27:23 C 07 17 44.32 +29 51 12.2 V A17
2020-09-16 02:44:19 C 07 17 47.05 +29 51 41.4 V A17
2020-09-16 03:01:16 C 07 17 49.80 +29 52 11.5 V A17
2020-09-25 11:10:10 C 07 56 24.03 +36 08 57.8 V 703
2020-09-25 11:17:19 C 07 56 25.33 +36 09 09.2 V 703
2020-09-25 11:31:37 C 07 56 28.11 +36 09 31.7 V 703
2020-10-05 11:57:06 C 08 42 50.16 +42 11 20.0 V G96
2020-10-05 12:04:13 C 08 42 51.59 +42 11 30.0 V G96
2020-10-05 12:11:19 C 08 42 53.00 +42 11 39.9 V G96
2020-10-05 12:18:25 C 08 42 54.44 +42 11 49.8 V G96
2020-10-13 11:04:57 C 09 22 59.69 +46 13 48.8 V 703
2020-10-13 11:12:08 C 09 23 01.16 +46 13 57.1 V 703
2020-10-13 11:19:19 C 09 23 02.78 +46 14 04.5 V 703
2020-10-13 11:26:29 C 09 23 04.20 +46 14 13.5 V 703
2020-10-19 12:03:32 C 09 54 48.03 +48 46 45.2 V 703
2020-10-19 12:11:29 C 09 54 49.81 +48 46 51.3 V 703
2020-10-19 12:19:27 C 09 54 51.51 +48 46 59.6 V 703
2020-10-19 12:27:24 C 09 54 53.30 +48 47 07.3 V 703
2020-10-23 11:09:25 C 10 15 58.83 +50 12 06.7 V 703
2020-10-23 11:16:35 C 10 16 00.47 +50 12 13.6 V 703
2020-10-23 11:23:45 C 10 16 02.13 +50 12 18.9 V 703
2020-11-20 11:28:18 C 12 36 21.44 +55 46 43.7 V G96
2020-11-20 11:35:04 C 12 36 22.64 +55 46 45.6 V G96
2020-11-20 11:41:49 C 12 36 23.89 +55 46 47.7 V G96
2020-11-20 11:48:33 C 12 36 25.09 +55 46 49.6 V G96
2020-12-02 11:22:21 C 13 24 21.91 +56 56 34.8 V G96
2020-12-02 11:29:54 C 13 24 23.05 +56 56 36.6 V G96
2020-12-02 11:37:26 C 13 24 24.22 +56 56 38.4 V G96
2020-12-02 11:53:46 C 13 24 26.64 +56 56 42.5 V G96
2021-04-02 13:32:07 C 11 52 50.975 +69 04 11.60 U F51
2021-04-02 14:09:28 C 11 52 46.766 +69 03 44.55 U F51
2021-04-02 14:28:10 C 11 52 44.598 +69 03 31.09 U F51
2024-09-13 02:29:49 C 06 04 34.075 -62 26 17.48 V M22
2024-09-13 02:34:26 C 06 04 34.022 -62 26 18.53 V M22
2024-09-13 02:42:23 C 06 04 34.130 -62 26 19.10 V M22
2024-09-13 03:16:40 C 06 04 34.121 -62 26 23.71 V M22
2024-10-05 07:46:51 C 05 40 25.342 -63 49 39.90 V W68
2024-10-05 07:50:51 C 05 40 24.835 -63 49 40.76 V W68
2024-10-05 08:26:05 C 05 40 20.302 -63 49 46.74 V W68
2024-10-05 08:50:40 C 05 40 17.158 -63 49 51.13 V W68
2024-10-21 05:48:14 C 04 15 12.689 -62 52 32.84 V W68
2024-10-21 05:52:48 C 04 15 11.050 -62 52 29.10 V W68
2024-10-21 06:23:55 C 04 14 59.765 -62 52 04.19 V W68