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
2021-12-11 21:43:54 s 1 -100961.10 3 +344860.10 4760.0 C57
2021-12-11 22:03:54 S 11 30 39.610 +08 03 44.89 V C57
2021-12-11 22:03:54 s 1 -101579.71 3 +344266.34 7300.0 C57
2021-12-11 22:13:54 S 11 30 43.572 +08 03 35.14 V C57
2021-12-11 22:13:54 s 1 -101888.56 5 +343967.91 6330.0 C57
2021-12-11 22:23:54 S 11 30 49.025 +08 03 17.89 V C57
2021-12-11 22:23:54 s 1 -102197.11 3 +343668.45 3860.0 C57
2021-12-11 22:57:37 S 11 29 19.958 +08 04 44.00 L C51
2021-12-11 23:03:54 S 11 31 07.303 +08 02 00.35 V C57
2021-12-11 23:03:54 s 1 -103428.24 1 +342460.27 8830.0 C57
2021-12-11 23:33:54 S 11 31 21.840 +08 01 04.15 V C57
2021-12-11 23:33:54 s 1 -104348.33 0 +341543.26 3980.0 C57
2021-12-11 23:43:54 S 11 31 26.506 +08 00 47.66 V C57
2021-12-11 23:43:54 s 1 -104654.39 8 +341235.51 9270.0 C57
2021-12-11 23:53:54 S 11 31 30.806 +08 00 29.66 V C57
2021-12-11 23:53:54 s 1 -104960.15 0 +340926.73 3000.0 C57
2021-12-12 00:03:54 S 11 31 35.650 +08 00 03.38 V C57
2021-12-12 00:03:54 s 1 -105265.58 3 +340616.91 5170.0 C57
2021-12-12 00:13:54 S 11 31 39.854 +07 59 53.34 V C57
2021-12-12 00:13:54 s 1 -105570.69 8 +340306.05 5760.0 C57
2021-12-12 00:31:41 S 11 30 04.474 +08 01 59.88 L C51
2021-12-12 00:33:54 S 11 31 48.646 +07 59 19.36 V C57
2021-12-12 00:33:54 s 1 -106179.96 3 +339681.20 2230.0 C57
2021-12-12 00:43:54 S 11 31 53.153 +07 59 04.74 V C57
2021-12-12 00:43:54 s 1 -106484.11 0 +339367.21 8080.0 C57
2021-12-12 00:53:54 S 11 31 58.310 +07 58 40.37 V C57
2021-12-12 00:53:54 s 1 -106787.93 3 +339052.18 2330.0 C57
2021-12-12 01:03:54 S 11 32 02.527 +07 58 20.35 V C57
2021-12-12 01:03:54 s 1 -107091.42 8 +338736.11 4990.0 C57
2021-12-12 01:13:54 S 11 32 08.201 +07 58 06.31 V C57
2021-12-12 01:13:54 s 1 -107394.59 6 +338419.00 6040.0 C57
2021-12-12 01:43:54 S 11 32 22.025 +07 57 10.12 V C57
2021-12-12 01:43:54 s 1 -108302.11 5 +337461.38 9470.0 C57
2021-12-12 01:53:54 S 11 32 26.558 +07 56 52.22 V C57
2021-12-12 01:53:54 s 1 -108603.95 6 +337140.08 4020.0 C57
2021-12-12 02:03:54 S 11 32 31.406 +07 56 36.20 V C57
2021-12-12 02:03:54 s 1 -108905.46 1 +336817.73 6930.0 C57
2021-12-12 02:05:45 S 11 30 49.054 +07 59 14.21 L C51
2021-12-12 02:13:54 S 11 32 35.839 +07 56 16.87 V C57
2021-12-12 02:13:54 s 1 -109206.62 8 +336494.33 8200.0 C57
2021-12-12 03:23:54 S 11 33 07.882 +07 54 09.72 V C57
2021-12-12 03:23:54 s 1 -111305.23 7 +334201.14 420.0 C57
2021-12-12 03:39:05 S 11 31 33.307 +07 56 30.62 L C51
2021-12-12 04:53:54 S 11 33 50.083 +07 51 25.78 V C57
2021-12-12 04:53:54 s 1 -113978.22 3 +331176.81 9190.0 C57
2021-12-12 06:33:54 S 11 34 36.775 +07 48 20.09 V C57
2021-12-12 06:33:54 s 1 -116913.62 6 +327715.61 1500.0 C57
2021-12-12 06:47:57 S 11 33 03.322 +07 50 56.40 L C51
2021-12-12 06:53:54 S 11 34 45.790 +07 47 50.46 V C57
2021-12-12 06:53:54 s 1 -117496.20 3 +327010.57 8230.0 C57