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
2011-09-17 11:45:01 C 00 18 06.185 -17 50 26.50 L F51
2011-09-20 09:42:41 C 00 11 25.569 -18 22 40.36 L F51
2011-09-20 09:57:24 C 00 11 24.135 -18 22 46.76 L F51
2011-09-20 10:31:28 C 00 11 20.816 -18 23 01.42 L F51
2013-10-17 09:53:15 C 03 24 05.98 +06 31 25.8 q G96
2013-10-17 09:57:13 C 03 24 05.73 +06 31 23.7 q G96
2013-10-17 10:01:12 C 03 24 05.48 +06 31 22.9 q G96
2013-10-17 10:05:09 C 03 24 05.21 +06 31 21.2 q G96
2013-11-04 10:13:54 C 02 51 21.792 +04 02 45.91 L F51
2013-11-04 10:53:30 C 02 51 18.256 +04 02 32.67 L F51
2013-11-04 11:13:02 C 02 51 16.510 +04 02 26.26 L F51
2013-11-26 14:36:13 C 02 06 05.07 +01 53 30.1 q D29
2013-11-26 15:02:00 C 02 06 03.07 +01 53 25.0 q D29
2013-11-26 15:27:45 C 02 06 01.13 +01 53 22.6 q D29
2013-11-28 04:54:45 C 02 03 17.00 +01 49 12.7 q 703
2013-11-28 05:03:27 C 02 03 16.35 +01 49 11.3 q 703
2013-11-28 05:12:09 C 02 03 15.68 +01 49 07.8 q 703
2013-11-28 05:20:53 C 02 03 15.10 +01 49 08.5 q 703
2014-07-17 13:04:18 S 01 54 15.593 -07 05 17.34 L C51
2014-07-17 17:48:31 S 01 53 48.430 -07 12 29.88 L C51
2014-07-17 17:48:42 S 01 53 48.338 -07 12 29.99 L C51
2014-07-17 20:58:07 S 01 53 29.966 -07 17 19.75 L C51
2014-07-19 10:51:41 S 01 49 49.795 -08 14 52.15 L C51
2014-07-19 10:51:52 S 01 49 49.714 -08 14 51.43 L C51
2014-07-19 12:26:29 S 01 49 40.399 -08 17 15.32 L C51
2014-07-19 14:01:17 S 01 49 31.118 -08 19 39.11 L C51
2014-08-16 13:14:01 C 00 23 25.375 -24 07 11.91 L F51
2014-08-16 13:29:12 C 00 23 22.917 -24 07 28.66 L F51
2014-08-16 13:44:21 C 00 23 20.465 -24 07 45.26 L F51
2014-08-16 13:59:29 C 00 23 18.011 -24 08 01.90 L F51
2014-08-20 04:27:53 C 00 09 44.18 -25 36 52.8 r Y00
2014-08-20 04:38:38 C 00 09 42.45 -25 37 03.4 r Y00
2014-08-20 04:48:44 C 00 09 40.80 -25 37 13.5 r Y00
2014-08-25 11:02:11 C 23 49 57.794 -27 22 22.48 L F51
2014-08-25 11:18:22 C 23 49 55.220 -27 22 34.02 L F51
2014-08-25 11:34:29 C 23 49 52.650 -27 22 45.53 L F51
2014-08-25 11:50:35 C 23 49 50.084 -27 22 56.94 L F51
2014-08-26 11:19:55 C 23 46 14.501 -27 39 00.21 L F51
2014-08-26 11:36:03 C 23 46 11.955 -27 39 10.93 L F51
2014-08-26 11:52:12 C 23 46 09.407 -27 39 21.66 L F51
2014-08-26 12:08:21 C 23 46 06.856 -27 39 32.25 L F51
2014-09-11 10:46:05 C 22 55 53.273 -29 40 08.58 L F51
2014-09-11 11:02:14 C 22 55 51.505 -29 40 08.79 L F51
2014-09-11 11:18:23 C 22 55 49.751 -29 40 09.03 L F51
2014-09-11 11:34:30 C 22 55 47.993 -29 40 09.25 L F51
2014-09-16 09:01:45 C 22 44 34.503 -29 34 54.50 L F51
2014-09-16 09:15:59 C 22 44 33.208 -29 34 53.08 L F51
2014-09-16 09:30:13 C 22 44 31.916 -29 34 51.57 L F51
2014-09-20 09:18:19 C 22 36 56.019 -29 20 41.15 L F51
2014-09-20 09:34:29 C 22 36 54.792 -29 20 38.04 L F51