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
2021-12-08 22:13:54 S 10 58 41.657 +10 00 23.54 V C57
2021-12-08 22:13:54 s 1 +44976.863 0 +382304.71 9970.0 C57
2021-12-08 22:23:55 S 10 58 46.452 +10 00 17.68 V C57
2021-12-08 22:23:55 s 1 +44634.862 0 +382419.87 1490.0 C57
2021-12-08 22:53:55 S 10 58 59.522 +09 59 25.69 V C57
2021-12-08 22:53:55 s 1 +43608.158 0 +382759.68 4350.0 C57
2021-12-09 01:13:54 S 10 59 59.098 +09 56 01.72 V C57
2021-12-09 01:13:54 s 1 +38803.636 0 +384232.62 7170.0 C57
2021-12-09 02:03:54 S 11 00 20.287 +09 54 43.16 V C57
2021-12-09 02:03:54 s 1 +37082.767 0 +384713.71 120.0 C57
2021-12-09 02:23:54 S 11 00 29.251 +09 54 12.24 V C57
2021-12-09 02:23:54 s 1 +36393.731 0 +384899.52 1880.0 C57
2021-12-09 03:23:55 S 11 00 53.376 +09 52 52.03 V C57
2021-12-09 03:23:55 s 1 +34324.359 0 +385434.32 2640.0 C57
2021-12-09 03:43:55 S 11 01 03.504 +09 52 14.92 V C57
2021-12-09 03:43:55 s 1 +33633.837 0 +385605.03 1480.0 C57
2021-12-09 04:03:55 S 11 01 11.671 +09 51 54.22 V C57
2021-12-09 04:03:55 s 1 +32942.961 0 +385771.97 9670.0 C57
2021-12-09 04:13:54 S 11 01 15.595 +09 51 34.74 V C57
2021-12-09 04:13:54 s 1 +32597.393 0 +385854.03 3530.0 C57
2021-12-09 05:33:55 S 11 01 50.162 +09 49 37.60 V C57
2021-12-09 05:33:55 s 1 +29829.830 0 +386476.56 9210.0 C57
2021-12-09 06:03:55 S 11 02 02.690 +09 48 52.88 V C57
2021-12-09 06:03:55 s 1 +28790.671 0 +386694.47 6690.0 C57
2021-12-09 06:23:55 S 11 02 11.345 +09 48 22.07 V C57
2021-12-09 06:23:55 s 1 +28097.516 0 +386835.04 1110.0 C57
2021-12-09 06:33:54 S 11 02 16.006 +09 48 03.60 V C57
2021-12-09 06:33:54 s 1 +27750.826 0 +386903.92 3160.0 C57
2021-12-09 06:53:54 S 11 02 24.074 +09 47 52.73 V C57
2021-12-09 06:53:54 s 1 +27057.228 0 +387038.84 6960.0 C57
2021-12-09 07:03:54 S 11 02 27.674 +09 47 17.05 V C57
2021-12-09 07:03:54 s 1 +26710.320 0 +387104.89 1290.0 C57
2021-12-09 07:13:54 S 11 02 32.582 +09 47 09.46 V C57
2021-12-09 07:13:54 s 1 +26363.342 0 +387170.01 9620.0 C57
2021-12-09 07:53:55 S 11 02 49.601 +09 46 07.82 V C57
2021-12-09 07:53:55 s 1 +24974.738 0 +387421.06 3820.0 C57
2021-12-09 08:03:54 S 11 02 54.372 +09 45 52.34 V C57
2021-12-09 08:03:54 s 1 +24627.419 0 +387481.47 2560.0 C57
2021-12-09 08:43:54 S 11 03 12.142 +09 44 54.13 V C57
2021-12-09 08:43:54 s 1 +23237.493 0 +387713.73 8180.0 C57
2021-12-09 09:03:55 S 11 03 20.518 +09 44 19.97 V C57
2021-12-09 09:03:55 s 1 +22542.153 0 +387824.23 6340.0 C57
2021-12-09 09:13:54 S 11 03 25.210 +09 44 06.14 V C57
2021-12-09 09:13:54 s 1 +22194.393 0 +387878.07 5500.0 C57
2021-12-09 09:23:55 S 11 03 29.659 +09 44 00.60 V C57
2021-12-09 09:23:55 s 1 +21846.572 0 +387930.97 4690.0 C57
2021-12-09 10:13:54 S 11 03 49.495 +09 42 39.71 V C57
2021-12-09 10:13:54 s 1 +20106.607 0 +388181.40 1240.0 C57
2021-12-09 10:33:55 S 11 03 59.950 +09 42 03.02 V C57
2021-12-09 10:33:55 s 1 +19410.234 0 +388275.00 40.0 C57