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
2021-12-13 00:43:54 S 11 43 10.822 +07 14 36.10 V C57
2021-12-13 00:43:54 s 1 -146051.78 5 +282866.10 3160.0 C57
2021-12-13 01:33:54 S 11 43 34.994 +07 12 53.28 V C57
2021-12-13 01:33:54 s 1 -147238.60 4 +280484.40 1510.0 C57
2021-12-13 02:23:54 S 11 43 59.160 +07 11 16.73 V C57
2021-12-13 02:23:54 s 1 -148409.94 6 +278073.18 8390.0 C57
2021-12-13 02:53:54 S 11 44 12.298 +07 10 28.99 V C57
2021-12-13 02:53:54 s 1 -149105.18 1 +276612.23 9620.0 C57
2021-12-13 03:03:54 S 11 44 17.803 +07 10 17.11 V C57
2021-12-13 03:03:54 s 1 -149335.64 8 +276122.86 7480.0 C57
2021-12-13 03:13:54 S 11 44 22.687 +07 09 40.03 V C57
2021-12-13 03:13:54 s 1 -149565.47 1 +275632.30 2370.0 C57
2021-12-13 04:03:54 S 11 44 45.240 +07 08 10.61 V C57
2021-12-13 04:03:54 s 1 -150704.83 5 +273161.61 1960.0 C57
2021-12-13 04:13:54 S 11 44 51.170 +07 07 53.33 V C57
2021-12-13 04:13:54 s 1 -150930.73 7 +272663.88 8810.0 C57
2021-12-13 04:33:54 S 11 45 00.365 +07 07 15.20 V C57
2021-12-13 04:33:54 s 1 -151380.54 8 +271664.82 3370.0 C57
2021-12-13 04:53:54 S 11 45 09.914 +07 06 38.41 V C57
2021-12-13 04:53:54 s 1 -151827.68 2 +270660.95 5630.0 C57
2021-12-13 05:13:54 S 11 45 19.812 +07 05 58.45 V C57
2021-12-13 05:13:54 s 1 -152272.11 4 +269652.26 5500.0 C57
2021-12-13 05:23:54 S 11 45 25.229 +07 05 45.56 V C57
2021-12-13 05:23:54 s 1 -152493.31 0 +269146.11 750.0 C57
2021-12-13 05:43:54 S 11 45 33.574 +07 05 00.78 V C57
2021-12-13 05:43:54 s 1 -152933.64 7 +268130.17 1840.0 C57
2021-12-13 06:03:54 S 11 45 43.956 +07 04 24.60 V C57
2021-12-13 06:03:54 s 1 -153371.22 3 +267109.39 280.0 C57
2021-12-13 06:13:54 S 11 45 48.355 +07 04 04.73 V C57
2021-12-13 06:13:54 s 1 -153588.96 9 +266597.18 9720.0 C57
2021-12-13 06:33:54 S 11 45 57.814 +07 03 20.84 V C57
2021-12-13 06:33:54 s 1 -154022.35 8 +265569.12 9000.0 C57
2021-12-13 07:23:54 S 11 46 22.284 +07 01 33.78 V C57
2021-12-13 07:23:54 s 1 -155093.43 2 +262977.63 5450.0 C57
2021-12-13 07:33:54 S 11 46 26.496 +07 01 26.87 V C57
2021-12-13 07:33:54 s 1 -155305.49 6 +262455.67 8920.0 C57
2021-12-13 08:13:54 S 11 46 46.584 +07 00 05.83 V C57
2021-12-13 08:13:54 s 1 -156146.47 6 +260355.55 9540.0 C57
2021-12-13 08:23:54 S 11 46 50.981 +06 59 49.09 V C57
2021-12-13 08:23:54 s 1 -156354.88 6 +259827.45 6330.0 C57
2021-12-13 08:53:54 S 11 47 05.309 +06 58 51.06 V C57
2021-12-13 08:53:54 s 1 -156975.65 9 +258235.76 6350.0 C57
2021-12-13 09:13:54 S 11 47 14.765 +06 58 15.71 V C57
2021-12-13 09:13:54 s 1 -157385.76 1 +257168.45 9290.0 C57
2021-12-13 09:53:54 S 11 47 33.067 +06 56 55.39 V C57
2021-12-13 09:53:54 s 1 -158196.85 1 +255018.98 3680.0 C57
2021-12-13 10:33:54 S 11 47 52.646 +06 55 42.31 V C57
2021-12-13 10:33:54 s 1 -158995.60 7 +252849.61 1960.0 C57
2021-12-13 10:43:49 C 11 46 40.14 +06 59 12.8 V 703
2021-12-13 10:43:54 S 11 47 57.720 +06 55 19.49 V C57