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
2021-12-09 23:13:54 S 11 09 30.178 +09 22 30.65 V C57
2021-12-09 23:33:54 S 11 09 39.098 +09 21 56.88 V C57
2021-12-10 00:33:54 S 11 10 04.294 +09 20 29.26 V C57
2021-12-10 00:43:54 S 11 10 09.473 +09 20 17.02 V C57
2021-12-10 00:43:54 s 1 -10292.785 0 +388790.46 5190.0 C57
2021-12-10 01:03:54 S 11 10 18.809 +09 19 43.36 V C57
2021-12-10 01:03:54 s 1 -10992.007 0 +388721.14 530.0 C57
2021-12-10 01:23:54 S 11 10 27.142 +09 19 10.20 V C57
2021-12-10 01:23:54 s 1 -11691.143 0 +388648.08 4700.0 C57
2021-12-10 02:03:54 S 11 10 44.357 +09 18 14.87 V C57
2021-12-10 02:03:54 s 1 -13089.127 0 +388490.69 9390.0 C57
2021-12-10 02:23:54 S 11 10 52.810 +09 17 35.95 V C57
2021-12-10 02:23:54 s 1 -13787.962 0 +388406.37 9850.0 C57
2021-12-10 02:33:54 S 11 10 57.276 +09 17 28.72 V C57
2021-12-10 02:33:54 s 1 -14137.337 0 +388362.80 4600.0 C57
2021-12-10 03:03:54 S 11 11 11.374 +09 16 33.46 V C57
2021-12-10 03:03:54 s 1 -15185.283 0 +388226.47 6880.0 C57
2021-12-10 03:23:54 S 11 11 19.742 +09 16 00.30 V C57
2021-12-10 03:23:54 s 1 -15883.756 0 +388130.90 3390.0 C57
2021-12-10 03:43:54 S 11 11 28.157 +09 15 22.82 V C57
2021-12-10 03:43:54 s 1 -16582.094 0 +388031.56 8510.0 C57
2021-12-10 04:03:54 S 11 11 38.503 +09 14 49.70 V C57
2021-12-10 04:03:54 s 1 -17280.291 0 +387928.48 2230.0 C57
2021-12-10 04:23:54 S 11 11 46.013 +09 14 25.73 V C57
2021-12-10 04:23:54 s 1 -17978.339 0 +387821.64 4520.0 C57
2021-12-10 04:43:54 S 11 11 55.361 +09 13 51.67 V C57
2021-12-10 04:43:54 s 1 -18676.232 0 +387711.04 5330.0 C57
2021-12-10 04:53:54 S 11 11 59.695 +09 13 39.43 V C57
2021-12-10 04:53:54 s 1 -19025.119 0 +387654.33 5180.0 C57
2021-12-10 05:33:54 S 11 12 16.562 +09 12 45.29 V C57
2021-12-10 05:33:54 s 1 -20420.240 0 +387418.10 770.0 C57
2021-12-10 05:53:54 S 11 12 26.208 +09 11 57.34 V C57
2021-12-10 05:53:54 s 1 -21117.535 0 +387294.35 6220.0 C57
2021-12-10 07:33:54 S 11 13 11.095 +09 09 13.03 V C57
2021-12-10 07:33:54 s 1 -24601.070 0 +386619.15 8920.0 C57
2021-12-10 07:53:54 S 11 13 19.450 +09 08 52.12 V C57
2021-12-10 07:53:54 s 1 -25297.140 0 +386472.81 4340.0 C57
2021-12-10 08:13:54 S 11 13 29.354 +09 08 15.50 V C57
2021-12-10 08:13:54 s 1 -25992.982 0 +386322.71 7980.0 C57
2021-12-10 08:33:54 S 11 13 36.902 +09 07 48.00 V C57
2021-12-10 08:33:54 s 1 -26688.587 0 +386168.84 9820.0 C57
2021-12-10 08:53:54 S 11 13 46.246 +09 07 14.02 V C57
2021-12-10 08:53:54 s 1 -27383.950 0 +386011.20 9820.0 C57
2021-12-10 09:03:54 S 11 13 50.213 +09 07 00.77 V C57
2021-12-10 09:03:54 s 1 -27731.539 0 +385930.96 9120.0 C57
2021-12-10 09:33:54 S 11 14 04.049 +09 05 49.31 V C57
2021-12-10 09:33:54 s 1 -28773.920 0 +385684.60 4190.0 C57
2021-12-10 09:53:54 S 11 14 13.606 +09 05 32.71 V C57
2021-12-10 09:53:54 s 1 -29468.512 0 +385515.64 8500.0 C57
2021-12-10 10:03:54 S 11 14 17.717 +09 05 12.19 V C57