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
2021-11-28 21:43:55 S 09 35 33.886 +13 54 10.26 V C57
2021-11-28 21:43:55 s 1 -112238.02 9 +317561.61 3160.0 C57
2021-11-28 22:03:55 S 09 35 38.818 +13 53 57.34 V C57
2021-11-28 22:03:55 s 1 -112823.16 0 +316818.98 8070.0 C57
2021-11-28 23:23:55 S 09 36 00.276 +13 53 04.24 V C57
2021-11-28 23:23:55 s 1 -115146.66 7 +313802.01 2920.0 C57
2021-11-29 00:13:55 S 09 36 13.234 +13 52 30.43 V C57
2021-11-29 00:13:55 s 1 -116584.71 5 +311878.47 6380.0 C57
2021-11-29 01:23:55 S 09 36 31.666 +13 51 43.45 V C57
2021-11-29 01:23:55 s 1 -118579.14 3 +309136.22 8720.0 C57
2021-11-29 02:53:55 S 09 36 54.862 +13 50 43.44 V C57
2021-11-29 02:53:55 s 1 -121110.07 1 +305525.38 3200.0 C57
2021-11-29 03:13:55 S 09 37 00.175 +13 50 34.04 V C57
2021-11-29 03:13:55 s 1 -121667.26 7 +304709.90 5810.0 C57
2021-11-29 04:23:55 S 09 37 19.022 +13 49 38.28 V C57
2021-11-29 04:23:55 s 1 -123602.05 6 +301818.06 7930.0 C57
2021-11-29 05:53:55 S 09 37 42.372 +13 48 40.64 V C57
2021-11-29 05:53:55 s 1 -126053.48 5 +298013.42 6330.0 C57
2021-11-29 07:43:55 S 09 38 11.669 +13 47 25.37 V C57
2021-11-29 07:43:55 s 1 -128992.14 4 +293229.84 3810.0 C57
2021-11-29 07:53:55 S 09 38 14.050 +13 47 18.53 V C57
2021-11-29 07:53:55 s 1 -129256.05 6 +292787.64 1390.0 C57
2021-11-29 08:13:55 S 09 38 19.514 +13 47 05.35 V C57
2021-11-29 08:13:55 s 1 -129782.22 7 +291899.55 9390.0 C57
2021-11-29 14:03:55 S 09 39 52.865 +13 43 03.29 V C57
2021-11-29 14:03:55 s 1 -138612.03 7 +275554.79 6580.0 C57
2021-11-29 15:33:55 S 09 40 16.795 +13 41 51.11 V C57
2021-11-29 15:33:55 s 1 -140758.49 7 +271100.62 1060.0 C57
2021-11-29 15:43:55 S 09 40 19.706 +13 41 45.46 V C57
2021-11-29 15:43:55 s 1 -140993.64 1 +270599.28 4990.0 C57
2021-11-29 16:13:55 S 09 40 27.571 +13 41 20.94 V C57
2021-11-29 16:13:55 s 1 -141694.96 6 +269087.48 9250.0 C57
2021-11-29 17:43:55 S 09 40 51.833 +13 40 25.46 V C57
2021-11-29 17:43:55 s 1 -143761.25 7 +264481.86 1100.0 C57
2021-11-29 20:03:55 S 09 41 29.141 +13 38 35.66 V C57
2021-11-29 20:03:55 s 1 -146858.47 9 +257106.00 5250.0 C57
2021-11-29 20:13:55 S 09 41 31.762 +13 38 26.05 V C57
2021-11-29 20:13:55 s 1 -147074.05 1 +256569.20 5750.0 C57
2021-11-29 21:33:55 S 09 41 53.297 +13 37 29.78 V C57
2021-11-29 21:33:55 s 1 -148770.47 0 +252226.60 180.0 C57
2021-11-29 22:23:55 S 09 42 07.253 +13 36 51.77 V C57
2021-11-29 22:23:55 s 1 -149804.74 2 +249468.69 7640.0 C57
2021-11-29 22:53:55 S 09 42 15.542 +13 36 31.61 V C57
2021-11-29 22:53:55 s 1 -150415.46 2 +247797.67 6380.0 C57
2021-11-29 23:43:55 S 09 42 28.445 +13 36 02.48 V C57
2021-11-29 23:43:55 s 1 -151416.57 8 +244985.36 3320.0 C57
2021-11-30 01:53:55 S 09 43 04.174 +13 34 18.98 V C57
2021-11-30 01:53:55 s 1 -153918.10 4 +237512.37 4530.0 C57
2021-11-30 02:23:55 S 09 43 12.586 +13 33 57.92 V C57
2021-11-30 02:23:55 s 1 -154473.86 4 +235754.52 840.0 C57