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
2021-12-10 18:23:54 s 1 -47069.082 0 +379926.97 7420.0 C57
2021-12-10 19:33:54 S 11 18 32.777 +08 49 25.25 V C57
2021-12-10 19:33:54 s 1 -49464.368 0 +378966.68 7180.0 C57
2021-12-10 19:53:54 S 11 18 41.460 +08 49 04.01 V C57
2021-12-10 19:53:54 s 1 -50147.659 0 +378683.70 9290.0 C57
2021-12-10 20:03:54 S 11 18 46.618 +08 48 39.28 V C57
2021-12-10 20:03:54 s 1 -50489.120 0 +378540.77 9260.0 C57
2021-12-10 20:23:54 S 11 18 55.471 +08 48 21.49 V C57
2021-12-10 20:23:54 s 1 -51171.669 0 +378252.04 7010.0 C57
2021-12-10 20:33:54 S 11 18 58.901 +08 48 00.40 V C57
2021-12-10 20:33:54 s 1 -51512.755 0 +378106.24 4780.0 C57
2021-12-10 20:53:54 S 11 19 09.204 +08 47 17.77 V C57
2021-12-10 20:53:54 s 1 -52194.546 0 +377811.75 8090.0 C57
2021-12-10 21:03:54 S 11 19 13.862 +08 47 06.76 V C57
2021-12-10 21:03:54 s 1 -52535.248 0 +377663.07 3620.0 C57
2021-12-10 21:13:54 S 11 19 16.781 +08 46 54.37 V C57
2021-12-10 21:13:54 s 1 -52875.820 0 +377513.43 8390.0 C57
2021-12-10 21:23:54 S 11 19 22.416 +08 46 34.14 V C57
2021-12-10 21:23:54 s 1 -53216.262 0 +377362.82 2410.0 C57
2021-12-10 21:33:54 S 11 19 27.149 +08 46 19.27 V C57
2021-12-10 21:33:54 s 1 -53556.571 0 +377211.26 5670.0 C57
2021-12-10 22:03:54 S 11 19 40.632 +08 45 17.93 V C57
2021-12-10 22:03:54 s 1 -54576.699 0 +376750.80 820.0 C57
2021-12-10 22:13:54 S 11 19 44.455 +08 45 10.15 V C57
2021-12-10 22:13:54 s 1 -54916.472 0 +376595.39 980.0 C57
2021-12-10 22:23:54 S 11 19 49.404 +08 44 56.11 V C57
2021-12-10 22:23:54 s 1 -55256.107 0 +376439.02 360.0 C57
2021-12-11 04:33:55 S 11 22 36.804 +08 34 21.65 V C57
2021-12-11 04:33:55 s 1 -67717.383 0 +369973.47 7430.0 C57
2021-12-11 05:13:54 S 11 22 55.070 +08 33 19.26 V C57
2021-12-11 05:13:54 s 1 -69051.091 0 +369194.78 7280.0 C57
2021-12-11 05:43:54 S 11 23 08.630 +08 32 26.41 V C57
2021-12-11 05:43:54 s 1 -70049.489 0 +368600.50 2020.0 C57
2021-12-11 06:03:55 S 11 23 18.168 +08 31 50.84 V C57
2021-12-11 06:03:55 s 1 -70714.174 0 +368199.42 280.0 C57
2021-12-11 06:13:54 S 11 23 22.730 +08 31 31.51 V C57
2021-12-11 06:13:54 s 1 -71046.240 0 +367997.41 7920.0 C57
2021-12-11 06:43:54 S 11 23 35.710 +08 30 47.74 V C57
2021-12-11 06:43:54 s 1 -72041.316 0 +367385.49 4860.0 C57
2021-12-11 06:53:54 S 11 23 40.606 +08 30 34.06 V C57
2021-12-11 06:53:54 s 1 -72372.630 0 +367179.55 8490.0 C57
2021-12-11 07:23:54 S 11 23 54.074 +08 29 29.65 V C57
2021-12-11 07:23:54 s 1 -73365.426 0 +366555.85 3280.0 C57
2021-12-11 07:33:55 S 11 23 58.574 +08 29 17.84 V C57
2021-12-11 07:33:55 s 1 -73695.971 0 +366345.99 2820.0 C57
2021-12-11 07:53:54 S 11 24 08.422 +08 28 34.39 V C57
2021-12-11 07:53:54 s 1 -74356.477 0 +365923.30 8810.0 C57
2021-12-11 08:03:54 S 11 24 13.169 +08 28 18.23 V C57
2021-12-11 08:03:54 s 1 -74686.434 0 +365710.48 5240.0 C57
2021-12-11 08:13:54 S 11 24 17.573 +08 28 02.78 V C57