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
2021-12-12 07:23:54 S 11 35 00.341 +07 46 53.90 V C57
2021-12-12 07:23:54 s 1 -118367.19 1 +325944.97 4470.0 C57
2021-12-12 08:43:54 S 11 35 37.951 +07 44 21.88 V C57
2021-12-12 08:43:54 s 1 -120672.62 7 +323056.11 1800.0 C57
2021-12-12 08:53:54 S 11 35 42.324 +07 43 59.81 V C57
2021-12-12 08:53:54 s 1 -120959.01 7 +322690.15 1630.0 C57
2021-12-12 09:13:54 S 11 35 52.142 +07 43 25.57 V C57
2021-12-12 09:13:54 s 1 -121530.58 4 +321955.00 5490.0 C57
2021-12-12 09:33:54 S 11 36 01.411 +07 43 01.09 V C57
2021-12-12 09:33:54 s 1 -122100.52 4 +321215.51 1560.0 C57
2021-12-12 09:43:54 S 11 36 05.892 +07 42 37.37 V C57
2021-12-12 09:43:54 s 1 -122384.87 9 +320844.14 1650.0 C57
2021-12-12 09:53:54 S 11 36 10.874 +07 42 26.96 V C57
2021-12-12 09:53:54 s 1 -122668.82 1 +320471.69 9780.0 C57
2021-12-12 10:43:54 S 11 36 34.555 +07 40 41.88 V C57
2021-12-12 10:43:54 s 1 -124082.28 7 +318593.12 570.0 C57
2021-12-12 11:43:54 S 11 37 02.501 +07 38 54.10 V C57
2021-12-12 11:43:54 s 1 -125764.46 4 +316302.86 6880.0 C57
2021-12-12 11:53:54 S 11 37 07.306 +07 38 37.46 V C57
2021-12-12 11:53:54 s 1 -126043.31 9 +315917.32 750.0 C57
2021-12-12 12:13:54 S 11 37 16.620 +07 37 59.09 V C57
2021-12-12 12:13:54 s 1 -126599.71 8 +315142.96 2270.0 C57
2021-12-12 12:23:54 S 11 37 20.988 +07 37 37.09 V C57
2021-12-12 12:23:54 s 1 -126877.25 8 +314754.13 9900.0 C57
2021-12-12 12:33:54 S 11 37 26.527 +07 37 21.94 V C57
2021-12-12 12:33:54 s 1 -127154.35 8 +314364.20 5430.0 C57
2021-12-12 14:33:54 S 11 38 21.965 +07 33 39.20 V C57
2021-12-12 14:33:54 s 1 -130444.40 5 +309599.01 5310.0 C57
2021-12-12 14:37:37 C 11 36 50.56 +07 36 39.9 V T08
2021-12-12 14:45:38 C 11 36 54.36 +07 36 25.5 V T08
2021-12-12 15:01:04 C 11 37 01.72 +07 35 57.5 V T08
2021-12-12 15:15:01 C 11 37 08.32 +07 35 32.1 V T08
2021-12-12 16:03:54 S 11 39 04.430 +07 30 50.04 V C57
2021-12-12 16:03:54 s 1 -132868.00 6 +305920.23 2610.0 C57
2021-12-12 17:43:54 S 11 39 51.862 +07 27 47.52 V C57
2021-12-12 17:43:54 s 1 -135514.73 9 +301726.29 1240.0 C57
2021-12-12 19:23:54 S 11 40 38.832 +07 24 40.79 V C57
2021-12-12 19:23:54 s 1 -138110.84 0 +297419.40 2390.0 C57
2021-12-12 19:53:54 S 11 40 54.254 +07 23 41.71 V C57
2021-12-12 19:53:54 s 1 -138879.47 1 +296105.15 4030.0 C57
2021-12-12 20:53:54 S 11 41 21.785 +07 21 55.01 V C57
2021-12-12 20:53:54 s 1 -140402.22 1 +293445.77 9570.0 C57
2021-12-12 21:53:54 S 11 41 50.448 +07 19 50.38 V C57
2021-12-12 21:53:54 s 1 -141905.20 8 +290745.01 3020.0 C57
2021-12-12 23:03:54 S 11 42 24.094 +07 17 39.12 V C57
2021-12-12 23:03:54 s 1 -143633.02 5 +287541.52 7710.0 C57
2021-12-13 00:13:54 S 11 42 56.947 +07 15 21.64 V C57
2021-12-13 00:13:54 s 1 -145332.40 1 +284281.01 440.0 C57
2021-12-13 00:23:54 S 11 43 01.272 +07 15 04.68 V C57
2021-12-13 00:23:54 s 1 -145572.79 7 +283810.54 4130.0 C57