508772 (1998 WP7)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4329104661 ± 9.35e-08
Semi-major axis (a)1.2250710881 AU ± 1.16e-09
Inclination (i)21.96923816° ± 8.35e-06
Long. of Asc. Node (Ω)230.71750283° ± 4.22e-06
Arg. of Perihelion (ω)65.47842759° ± 9.19e-06
Mean Anomaly (M)29.09191826° ± 6.74e-06
Mean Motion (n)0.7268927552°/day ± 1.03e-09
Perihelion dist (q)0.69472499 AU ± 1.15e-07
Aphelion dist (Q)1.75541718 AU ± 1.15e-07
Orbital Period1.35594457 yr ± 1.92e-09
Physical Parameters
H (abs. magnitude)19.85
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.322″
Uncertainty0
Orbit TypeApollo
MOID0.121624 AU
Observations Used186
Oppositions7
Arc Total1998-2025
First Observation Used1998-11-23
Last Observation Used2025-01-20
Observations (196)
Date Type RA Dec Mag Band Observatory
2013-11-30 04:29:49 C 05 02 35.34 -00 29 37.9 u 807
2013-11-30 04:33:25 C 05 02 34.87 -00 29 41.9 u 807
2013-12-01 03:19:17 C 04 59 47.24 -00 54 26.0 u 807
2013-12-01 03:22:53 C 04 59 46.79 -00 54 29.7 u 807
2013-12-01 03:26:29 C 04 59 46.35 -00 54 33.6 u 807
2013-12-01 03:30:05 C 04 59 45.89 -00 54 37.6 u 807
2013-12-01 03:33:40 C 04 59 45.44 -00 54 41.4 u 807
2013-12-01 12:54:17 C 04 58 37.32 -01 04 30.3 q E23
2013-12-01 13:14:17 C 04 58 34.78 -01 04 51.4 q E23
2013-12-01 13:39:08 C 04 58 31.72 -01 05 17.3 q E23
2013-12-01 13:52:28 C 04 58 30.06 -01 05 30.1 q E23
2013-12-02 03:10:35 C 04 56 54.38 -01 19 13.7 u 807
2013-12-02 03:15:58 C 04 56 53.72 -01 19 19.0 u 807
2013-12-02 03:20:38 C 04 56 53.15 -01 19 23.7 u 807
2013-12-12 02:59:59 C 04 31 34.41 -04 25 18.4 u 807
2013-12-12 03:09:29 C 04 31 33.51 -04 25 23.6 u 807
2013-12-12 03:19:47 C 04 31 32.53 -04 25 29.1 u 807
2017-01-07 10:14:09 C 08 41 08.14 -24 08 54.9 o 695
2017-01-07 10:20:28 C 08 41 07.67 -24 08 57.7 o 695
2017-01-07 10:26:47 C 08 41 07.19 -24 09 01.1 o 695
2017-09-30 02:29:17 C 14 22 03.31 +42 43 05.3 o 291
2017-09-30 02:40:35 C 14 22 04.05 +42 43 32.0 o 291
2017-09-30 02:51:50 C 14 22 04.81 +42 43 57.9 o 291
2017-10-16 19:29:05 C 15 21 38.45 +66 07 01.9 o B67
2017-10-16 19:41:39 C 15 21 43.81 +66 08 05.1 o B67
2017-10-16 19:54:14 C 15 21 49.05 +66 09 08.6 o B67
2017-10-20 21:13:03 S 16 36 57.06 +75 07 37.0 L C51
2017-10-21 00:21:33 S 16 41 22.20 +75 24 48.6 L C51
2017-10-21 00:21:44 S 16 41 22.70 +75 24 49.2 L C51
2017-10-24 00:35:48 C 19 39 56.90 +79 45 48.5 q H45
2017-10-24 00:37:00 C 19 40 00.81 +79 45 48.5 q H45
2017-10-24 00:39:57 C 19 40 10.99 +79 45 49.1 q H45
2017-10-24 00:42:45 C 19 40 20.45 +79 45 49.2 q H45
2017-10-24 00:44:14 C 19 40 25.50 +79 45 49.6 q H45
2017-10-24 00:46:08 C 19 40 31.99 +79 45 50.3 q H45
2017-10-30 09:47:36 C 00 26 37.27 +61 56 55.6 T05
2017-10-30 10:00:56 C 00 26 44.64 +61 54 39.7 T05
2017-10-30 10:01:36 C 00 26 45.02 +61 54 33.0 T05
2017-10-30 10:25:59 C 00 26 58.44 +61 50 24.4 T05
2017-10-30 10:26:38 C 00 26 58.81 +61 50 17.5 T05
2017-10-30 10:32:33 C 00 27 02.05 +61 49 17.4 T05
2017-11-01 10:26:24 C 00 49 03.29 +53 46 13.7 T08
2017-11-01 10:34:19 C 00 49 05.96 +53 44 53.9 T08
2017-11-01 10:52:29 C 00 49 12.06 +53 41 50.5 T08
2017-11-04 22:08:41 C 01 11 04.74 +40 40 29.2 U Z80
2017-11-04 22:10:46 C 01 11 05.11 +40 40 10.8 U Z80
2017-11-04 22:12:52 C 01 11 05.46 +40 39 52.8 U Z80
2017-11-04 22:14:57 C 01 11 05.80 +40 39 34.6 U Z80
2017-11-04 22:17:03 C 01 11 06.17 +40 39 17.1 U Z80
2017-11-04 22:19:08 C 01 11 06.59 +40 38 58.9 U Z80