170903 (2004 WS2)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6030417176 ± 3.30e-08
Semi-major axis (a)1.3361479001 AU ± 6.38e-10
Inclination (i)8.26675841° ± 4.17e-06
Long. of Asc. Node (Ω)87.66363220° ± 1.02e-05
Arg. of Perihelion (ω)115.45701591° ± 1.08e-05
Mean Anomaly (M)163.19579838° ± 3.99e-06
Mean Motion (n)0.6381613179°/day ± 4.57e-10
Perihelion dist (q)0.53039498 AU ± 4.41e-08
Aphelion dist (Q)2.14190082 AU ± 4.41e-08
Orbital Period1.54447826 yr ± 1.11e-09
Physical Parameters
H (abs. magnitude)18.20
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.493″
Uncertainty0
Orbit TypeApollo
MOID0.029970 AU
Observations Used1190
Oppositions8
Arc Total2002-2025
First Observation Used2002-10-28
Last Observation Used2025-11-11
Observations (2130)
Date Type RA Dec Mag Band Observatory
2021-12-07 21:43:55 S 10 48 29.054 +10 34 35.94 V C57
2021-12-07 21:43:55 s 1 +93446.529 0 +354875.23 4530.0 C57
2021-12-07 22:03:55 S 10 48 36.727 +10 34 11.57 V C57
2021-12-07 22:03:55 s 1 +92818.534 0 +355391.18 7050.0 C57
2021-12-07 23:13:55 S 10 49 05.354 +10 32 30.52 V C57
2021-12-07 23:13:55 s 1 +90612.079 0 +357165.30 2870.0 C57
2021-12-08 00:03:55 S 10 49 26.503 +10 31 21.29 V C57
2021-12-08 00:03:55 s 1 +89028.140 0 +358402.42 8190.0 C57
2021-12-08 00:13:55 S 10 49 29.851 +10 31 17.11 V C57
2021-12-08 00:13:55 s 1 +88710.578 0 +358646.83 2720.0 C57
2021-12-08 00:23:55 S 10 49 34.553 +10 31 00.16 V C57
2021-12-08 00:23:55 s 1 +88392.762 0 +358890.25 6410.0 C57
2021-12-08 00:33:55 S 10 49 38.184 +10 30 34.74 V C57
2021-12-08 00:33:55 s 1 +88074.691 0 +359132.67 9280.0 C57
2021-12-08 00:43:55 S 10 49 42.763 +10 30 33.08 V C57
2021-12-08 00:43:55 s 1 +87756.367 0 +359374.09 1320.0 C57
2021-12-08 00:53:55 S 10 49 46.618 +10 30 10.19 V C57
2021-12-08 00:53:55 s 1 +87437.791 0 +359614.51 2540.0 C57
2021-12-08 01:13:54 S 10 49 55.222 +10 29 49.81 V C57
2021-12-08 01:13:54 s 1 +86799.890 0 +360092.35 2550.0 C57
2021-12-08 01:33:55 S 10 50 03.214 +10 29 23.68 V C57
2021-12-08 01:33:55 s 1 +86160.997 0 +360566.21 9330.0 C57
2021-12-08 01:43:55 S 10 50 07.598 +10 29 18.02 V C57
2021-12-08 01:43:55 s 1 +85841.181 0 +360801.64 6520.0 C57
2021-12-08 03:13:55 S 10 50 44.892 +10 27 10.69 V C57
2021-12-08 03:13:55 s 1 +82951.971 0 +362875.80 6180.0 C57
2021-12-08 03:23:55 S 10 50 49.068 +10 26 48.12 V C57
2021-12-08 03:23:55 s 1 +82629.762 0 +363101.30 5660.0 C57
2021-12-08 04:03:55 S 10 51 05.561 +10 26 06.32 V C57
2021-12-08 04:03:55 s 1 +81338.605 0 +363993.40 6170.0 C57
2021-12-08 04:13:54 S 10 51 09.094 +10 25 45.77 V C57
2021-12-08 04:13:54 s 1 +81015.242 0 +364213.96 1970.0 C57
2021-12-08 04:23:55 S 10 51 13.039 +10 25 32.84 V C57
2021-12-08 04:23:55 s 1 +80691.652 0 +364433.52 7040.0 C57
2021-12-08 04:43:55 S 10 51 21.936 +10 25 03.50 V C57
2021-12-08 04:43:55 s 1 +80043.793 0 +364869.69 5030.0 C57
2021-12-08 05:43:54 S 10 51 46.625 +10 23 49.31 V C57
2021-12-08 05:43:54 s 1 +78094.877 0 +366154.52 2110.0 C57
2021-12-08 05:53:55 S 10 51 50.962 +10 23 34.40 V C57
2021-12-08 05:53:55 s 1 +77769.291 0 +366365.22 870.0 C57
2021-12-08 07:03:55 S 10 52 20.076 +10 21 56.48 V C57
2021-12-08 07:03:55 s 1 +75484.193 0 +367812.55 3420.0 C57
2021-12-08 07:23:55 S 10 52 28.037 +10 21 21.74 V C57
2021-12-08 07:23:55 s 1 +74829.415 0 +368217.25 9670.0 C57
2021-12-08 07:43:55 S 10 52 36.917 +10 21 02.52 V C57
2021-12-08 07:43:55 s 1 +74173.810 0 +368618.03 3360.0 C57
2021-12-08 08:33:55 S 10 52 57.372 +10 19 54.19 V C57
2021-12-08 08:33:55 s 1 +72531.244 0 +369602.85 1610.0 C57
2021-12-08 08:53:55 S 10 53 05.770 +10 19 21.36 V C57
2021-12-08 08:53:55 s 1 +71872.817 0 +369989.94 6610.0 C57