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
2021-12-15 04:13:54 S 12 08 04.382 +05 32 15.61 V C57
2021-12-15 04:13:54 s 1 -169766.79 9 +74122.484 5290.0 C57
2021-12-15 04:23:54 S 12 08 08.326 +05 32 19.28 V C57
2021-12-15 04:23:54 s 1 -169563.40 9 +73228.149 2400.0 C57
2021-12-15 04:53:55 S 12 08 24.787 +05 30 57.20 V C57
2021-12-15 04:53:55 s 1 -168934.24 7 +70536.402 2820.0 C57
2021-12-15 06:03:55 S 12 08 58.939 +05 28 36.59 V C57
2021-12-15 06:03:55 s 1 -167353.79 0 +64210.783 6850.0 C57
2021-12-15 06:53:55 S 12 09 23.002 +05 26 48.59 V C57
2021-12-15 06:53:55 s 1 -166124.71 4 +59653.688 2140.0 C57
2021-12-15 07:03:55 S 12 09 28.188 +05 26 27.92 V C57
2021-12-15 07:03:55 s 1 -165868.56 4 +58738.484 5440.0 C57
2021-12-15 08:23:55 S 12 10 06.614 +05 23 50.93 V C57
2021-12-15 08:23:55 s 1 -163691.04 9 +51372.855 9340.0 C57
2021-12-15 08:53:55 S 12 10 22.061 +05 22 39.14 V C57
2021-12-15 08:53:55 s 1 -162813.91 1 +48591.200 50.0 C57
2021-12-15 09:33:55 S 12 10 41.230 +05 21 26.21 V C57
2021-12-15 09:33:55 s 1 -161591.06 6 +44866.476 6210.0 C57
2021-12-15 12:23:55 S 12 12 05.004 +05 15 49.03 V C57
2021-12-15 12:23:55 s 1 -155671.51 5 +28852.690 7820.0 C57
2022-09-16 11:13:59 C 02 00 35.077 -02 56 30.07 U F51
2022-09-16 11:30:35 C 02 00 34.130 -02 56 37.95 U F51
2022-09-16 11:47:05 C 02 00 33.209 -02 56 45.70 U F51
2022-09-23 11:05:36 C 01 50 28.734 -04 18 13.36 U F52
2022-09-23 11:23:06 C 01 50 27.555 -04 18 21.89 U F52
2022-09-23 11:40:35 C 01 50 26.380 -04 18 30.69 U F52
2022-09-23 11:58:06 C 01 50 25.188 -04 18 39.30 U F52
2022-09-28 07:37:20 C 01 42 28.609 -05 15 13.75 V G96
2022-09-28 07:44:50 C 01 42 28.055 -05 15 17.39 V G96
2022-09-28 07:52:19 C 01 42 27.522 -05 15 20.99 V G96
2022-09-28 07:59:49 C 01 42 26.957 -05 15 24.91 V G96
2022-09-28 11:27:29 C 01 42 12.029 -05 17 03.73 U F51
2022-09-28 11:43:25 C 01 42 10.854 -05 17 11.42 U F51
2022-09-28 11:59:20 C 01 42 09.675 -05 17 19.13 U F51
2022-09-28 12:15:10 C 01 42 08.509 -05 17 26.80 U F51
2022-10-18 08:45:03 C 01 05 46.094 -08 32 17.82 U F51
2022-10-18 09:02:05 C 01 05 44.782 -08 32 22.94 U F51
2022-10-18 09:19:11 C 01 05 43.468 -08 32 28.09 U F51
2022-10-18 09:36:15 C 01 05 42.153 -08 32 33.25 U F51
2022-10-29 08:44:27 C 00 47 27.179 -09 30 48.87 U F51
2022-10-29 09:00:34 C 00 47 26.154 -09 30 51.15 U F51
2022-10-29 09:16:42 C 00 47 25.101 -09 30 53.40 U F51
2022-10-30 05:18:12 C 00 46 11.024 -09 33 35.89 V G96
2022-10-30 05:25:39 C 00 46 10.592 -09 33 36.83 V G96
2022-10-30 05:33:05 C 00 46 10.088 -09 33 38.34 V G96
2022-10-30 05:40:30 C 00 46 09.664 -09 33 39.64 V G96
2022-11-14 06:15:30 C 00 28 38.872 -09 42 45.51 U F51
2022-11-14 06:32:32 C 00 28 38.228 -09 42 44.53 U F51
2022-11-14 06:49:35 C 00 28 37.601 -09 42 43.39 U F51
2022-11-14 07:09:22 C 00 28 36.868 -09 42 42.36 U F51