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
2021-11-30 15:43:55 S 09 46 52.166 +13 23 53.16 V C57
2021-11-30 15:43:55 s 1 -165778.77 7 +184067.24 3050.0 C57
2021-11-30 16:23:55 S 09 47 03.497 +13 23 30.88 V C57
2021-11-30 16:23:55 s 1 -166136.83 2 +181229.78 8600.0 C57
2021-11-30 16:33:55 S 09 47 05.851 +13 23 21.62 V C57
2021-11-30 16:33:55 s 1 -166222.76 6 +180516.51 5110.0 C57
2021-11-30 16:53:55 S 09 47 11.921 +13 23 03.98 V C57
2021-11-30 16:53:55 s 1 -166390.27 9 +179085.25 60.0 C57
2021-11-30 17:13:55 S 09 47 17.302 +13 22 48.76 V C57
2021-11-30 17:13:55 s 1 -166551.93 2 +177647.71 670.0 C57
2021-11-30 17:33:55 S 09 47 22.603 +13 22 31.08 V C57
2021-11-30 17:33:55 s 1 -166707.65 8 +176203.87 6680.0 C57
2021-11-30 17:43:55 S 09 47 25.862 +13 22 22.76 V C57
2021-11-30 17:43:55 s 1 -166783.27 6 +175479.58 370.0 C57
2021-11-30 17:53:55 S 09 47 28.241 +13 22 19.56 V C57
2021-11-30 17:53:55 s 1 -166857.38 6 +174753.71 7810.0 C57
2021-11-30 18:13:55 S 09 47 33.593 +13 21 58.97 V C57
2021-11-30 18:13:55 s 1 -167001.04 9 +173297.21 3780.0 C57
2021-11-30 18:53:55 S 09 47 45.046 +13 21 35.39 V C57
2021-11-30 18:53:55 s 1 -167269.88 9 +170365.15 9100.0 C57
2021-11-30 19:03:55 S 09 47 47.722 +13 21 30.46 V C57
2021-11-30 19:03:55 s 1 -167333.19 6 +169628.16 1750.0 C57
2021-11-30 19:33:55 S 09 47 56.378 +13 21 04.68 V C57
2021-11-30 19:33:55 s 1 -167513.60 0 +167407.57 310.0 C57
2021-11-30 20:03:55 S 09 48 04.246 +13 20 38.26 V C57
2021-11-30 20:03:55 s 1 -167679.53 1 +165172.56 8950.0 C57
2021-11-30 20:43:55 S 09 48 15.043 +13 20 09.17 V C57
2021-11-30 20:43:55 s 1 -167877.80 8 +162170.01 2140.0 C57
2021-11-30 21:13:55 S 09 48 24.190 +13 19 42.56 V C57
2021-11-30 21:13:55 s 1 -168008.94 5 +159901.13 6890.0 C57
2021-11-30 23:53:55 S 09 49 09.722 +13 17 35.02 V C57
2021-11-30 23:53:55 s 1 -168441.79 4 +147552.83 1780.0 C57
2021-12-01 00:23:55 S 09 49 16.632 +13 17 09.20 V C57
2021-12-01 00:23:55 s 1 -168470.66 3 +145190.74 4620.0 C57
2021-12-01 00:43:55 S 09 49 23.326 +13 17 02.36 V C57
2021-12-01 00:43:55 s 1 -168480.32 7 +143607.75 7070.0 C57
2021-12-01 00:53:55 S 09 49 25.680 +13 16 55.09 V C57
2021-12-01 00:53:55 s 1 -168482.24 9 +142813.77 6310.0 C57
2021-12-01 01:03:55 S 09 49 28.502 +13 16 44.62 V C57
2021-12-01 01:03:55 s 1 -168482.21 3 +142018.14 7500.0 C57
2021-12-01 01:23:55 S 09 49 34.006 +13 16 34.46 V C57
2021-12-01 01:23:55 s 1 -168476.21 9 +140421.89 5530.0 C57
2021-12-01 01:33:55 S 09 49 36.989 +13 16 16.32 V C57
2021-12-01 01:33:55 s 1 -168470.23 6 +139621.28 2260.0 C57
2021-12-01 02:03:55 S 09 49 46.430 +13 15 52.20 V C57
2021-12-01 02:03:55 s 1 -168440.18 7 +137209.45 2710.0 C57
2021-12-01 02:43:55 S 09 49 56.434 +13 15 24.37 V C57
2021-12-01 02:43:55 s 1 -168371.39 6 +133970.34 5300.0 C57
2021-12-01 03:23:55 S 09 50 08.563 +13 14 55.68 V C57
2021-12-01 03:23:55 s 1 -168268.98 1 +130704.50 9840.0 C57