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
2017-11-04 22:21:14 C 01 11 06.93 +40 38 40.7 U Z80
2017-11-04 22:23:19 C 01 11 07.25 +40 38 22.1 U Z80
2017-11-04 22:25:25 C 01 11 07.68 +40 38 04.7 U Z80
2017-11-04 22:27:30 C 01 11 08.01 +40 37 46.8 U Z80
2017-11-05 17:30:25 C 01 14 36.22 +37 57 24.1 t L04
2017-11-05 17:37:45 C 01 14 37.40 +37 56 24.4 t L04
2017-11-05 17:45:06 C 01 14 38.55 +37 55 24.6 t L04
2017-11-06 00:33:27 C 01 15 42.25 +37 00 02.4 U J69
2017-11-06 00:41:51 C 01 15 43.51 +36 58 54.2 U J69
2017-11-06 00:50:16 C 01 15 44.78 +36 57 46.1 U J69
2017-11-07 10:13:33 C 01 20 41.73 +32 41 43.0 U T05
2017-11-07 10:19:40 C 01 20 42.47 +32 40 58.2 U T05
2017-11-07 10:42:42 C 01 20 45.20 +32 38 08.4 U T05
2017-11-07 10:45:37 C 01 20 45.56 +32 37 47.0 U T05
2017-11-08 09:43:52 C 01 23 42.16 +29 55 46.2 U T08
2017-11-08 09:45:12 C 01 23 42.28 +29 55 37.3 U T08
2017-11-08 09:48:03 C 01 23 42.56 +29 55 17.8 U T08
2017-11-09 10:47:44 C 01 26 32.330 +27 11 42.91 L F51
2017-11-09 11:05:21 C 01 26 33.997 +27 09 51.19 L F51
2017-11-09 11:23:00 C 01 26 35.658 +27 08 00.66 L F51
2017-11-09 11:40:39 C 01 26 37.354 +27 06 08.57 L F51
2017-11-10 09:34:11 C 01 28 53.40 +24 53 55.9 U T05
2017-11-10 09:47:17 C 01 28 54.49 +24 52 39.2 U T05
2017-11-10 09:53:43 C 01 28 55.03 +24 52 01.6 U T05
2017-11-10 10:15:20 C 01 28 56.84 +24 49 55.1 U T05
2017-11-15 05:24:44 C 01 38 13.16 +15 35 47.0 U G96
2017-11-15 05:32:12 C 01 38 13.60 +15 35 17.8 U G96
2017-11-15 05:39:42 C 01 38 14.02 +15 34 48.3 U G96
2017-11-15 05:47:13 C 01 38 14.45 +15 34 18.9 U G96
2017-11-15 05:55:35 C 01 38 14.92 +15 33 46.1 U 703
2017-11-15 06:03:12 C 01 38 15.36 +15 33 16.2 U 703
2017-11-15 06:10:50 C 01 38 15.79 +15 32 46.3 U 703
2017-11-15 06:18:27 C 01 38 16.23 +15 32 16.5 U 703
2017-11-16 08:58:12 C 01 40 00.33 +13 52 47.4 U T08
2017-11-16 09:17:05 C 01 40 01.31 +13 51 39.8 U T08
2017-11-16 09:30:48 C 01 40 02.03 +13 50 51.4 U T08
2017-11-16 09:46:37 C 01 40 02.88 +13 49 54.9 U T08
2017-11-16 23:04:25 C 01 40 52.32 +13 03 24.6 q 160
2017-11-16 23:07:24 C 01 40 52.51 +13 03 14.2 q 160
2017-11-16 23:10:15 C 01 40 52.64 +13 03 04.4 q 160
2017-11-18 09:28:33 C 01 42 54.28 +11 13 18.0 U T05
2017-11-18 09:51:40 C 01 42 55.40 +11 12 07.3 U T05
2017-11-18 10:00:02 C 01 42 55.78 +11 11 42.7 U T05
2017-11-18 10:17:55 C 01 42 56.64 +11 10 48.3 U T05
2017-11-18 21:30:30 C 01 43 35.61 +10 37 26.8 q 160
2017-11-18 21:33:18 C 01 43 35.73 +10 37 18.6 q 160
2017-11-18 21:36:06 C 01 43 35.82 +10 37 10.5 q 160
2017-11-19 05:41:30 C 01 44 02.79 +10 14 07.1 U 703
2017-11-19 05:49:06 C 01 44 03.12 +10 13 46.2 U 703
2017-11-19 05:56:43 C 01 44 03.45 +10 13 24.7 U 703