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
2021-11-24 00:13:55 S 09 07 19.150 +14 59 09.31 V C57
2021-11-24 00:13:55 s 1 +123469.39 9 +319057.49 7030.0 C57
2021-11-24 01:43:55 S 09 07 39.466 +14 58 27.08 V C57
2021-11-24 01:43:55 s 1 +120885.78 3 +322272.71 950.0 C57
2021-11-24 02:13:55 S 09 07 46.178 +14 58 23.84 V C57
2021-11-24 02:13:55 s 1 +120016.94 9 +323324.35 2960.0 C57
2021-11-24 05:13:55 S 09 08 26.650 +14 56 59.96 V C57
2021-11-24 05:13:55 s 1 +114727.17 2 +329424.56 4680.0 C57
2021-11-24 05:23:55 S 09 08 28.250 +14 56 49.56 V C57
2021-11-24 05:23:55 s 1 +114429.55 7 +329752.98 4920.0 C57
2021-11-24 08:23:55 S 09 09 08.794 +14 55 27.23 V C57
2021-11-24 08:23:55 s 1 +109008.66 5 +335477.52 4470.0 C57
2021-11-24 09:13:55 S 09 09 19.562 +14 55 09.12 V C57
2021-11-24 09:13:55 s 1 +107482.14 0 +337005.11 6580.0 C57
2021-11-24 09:43:55 S 09 09 26.542 +14 54 51.73 V C57
2021-11-24 09:43:55 s 1 +106562.06 4 +337908.67 5960.0 C57
2021-11-24 13:43:55 S 09 10 20.153 +14 53 08.52 V C57
2021-11-24 13:43:55 s 1 +99094.276 0 +344788.98 5340.0 C57
2021-11-24 17:53:55 S 09 11 17.573 +14 51 05.40 V C57
2021-11-24 17:53:55 s 1 +91127.989 0 +351304.22 4260.0 C57
2021-11-24 21:43:55 S 09 12 09.614 +14 49 16.10 V C57
2021-11-24 21:43:55 s 1 +83648.221 0 +356718.44 5240.0 C57
2021-11-25 00:23:55 S 09 12 46.344 +14 47 54.24 V C57
2021-11-25 00:23:55 s 1 +78368.224 0 +360160.52 8630.0 C57
2021-11-25 00:53:55 S 09 12 52.805 +14 47 40.20 V C57
2021-11-25 00:53:55 s 1 +77371.711 0 +360776.46 130.0 C57
2021-11-25 03:53:55 S 09 13 34.236 +14 46 14.16 V C57
2021-11-25 03:53:55 s 1 +71352.208 0 +364277.91 4340.0 C57
2021-11-25 04:03:55 S 09 13 36.749 +14 46 11.24 V C57
2021-11-25 04:03:55 s 1 +71015.841 0 +364462.70 8610.0 C57
2021-11-25 04:43:55 S 09 13 45.643 +14 45 49.03 V C57
2021-11-25 04:43:55 s 1 +69668.404 0 +365191.64 9730.0 C57
2021-11-25 05:53:55 S 09 14 01.898 +14 45 08.78 V C57
2021-11-25 05:53:55 s 1 +67302.997 0 +366428.00 6950.0 C57
2021-11-25 06:33:55 S 09 14 11.110 +14 44 52.15 V C57
2021-11-25 06:33:55 s 1 +65947.234 0 +367112.08 3120.0 C57
2021-11-25 07:13:55 S 09 14 20.726 +14 44 37.07 V C57
2021-11-25 07:13:55 s 1 +64588.577 0 +367779.89 720.0 C57
2021-11-25 07:43:55 S 09 14 27.446 +14 44 26.48 V C57
2021-11-25 07:43:55 s 1 +63567.728 0 +368270.09 8460.0 C57
2021-11-25 08:33:55 S 09 14 38.371 +14 43 51.38 V C57
2021-11-25 08:33:55 s 1 +61862.863 0 +369066.79 1280.0 C57
2021-11-25 09:33:55 S 09 14 52.514 +14 43 30.25 V C57
2021-11-25 09:33:55 s 1 +59811.500 0 +369989.42 8670.0 C57
2021-11-25 10:53:55 S 09 15 11.270 +14 42 49.18 V C57
2021-11-25 10:53:55 s 1 +57067.356 0 +371162.98 6180.0 C57
2021-11-25 19:33:55 S 09 17 12.264 +14 38 23.28 V C57
2021-11-25 19:33:55 s 1 +39015.735 0 +377223.15 870.0 C57
2021-11-25 21:13:55 S 09 17 36.317 +14 37 24.71 V C57
2021-11-25 21:13:55 s 1 +35508.966 0 +378078.58 9410.0 C57