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
2014-09-20 09:50:35 C 22 36 53.567 -29 20 35.01 L F51
2014-09-20 10:07:24 C 22 36 52.293 -29 20 31.72 L F51
2015-09-23 11:17:28 C 08 41 28.64 +18 02 42.5 q G96
2015-09-23 11:26:29 C 08 41 30.29 +18 02 38.8 q G96
2015-09-23 11:35:31 C 08 41 31.88 +18 02 34.8 q G96
2015-09-23 11:44:32 C 08 41 33.48 +18 02 29.7 q G96
2016-09-27 11:07:12 C 03 02 48.717 +04 36 42.03 L F51
2016-09-27 11:25:28 C 03 02 47.953 +04 36 36.04 L F51
2016-09-27 11:43:51 C 03 02 47.172 +04 36 29.97 L F51
2016-09-27 12:02:20 C 03 02 46.372 +04 36 23.57 L F51
2016-10-02 13:03:31 C 02 57 15.594 +03 53 57.58 L F51
2016-10-02 13:20:27 C 02 57 14.718 +03 53 51.42 L F51
2016-10-02 13:37:23 C 02 57 13.849 +03 53 45.42 L F51
2016-10-02 13:54:34 C 02 57 12.926 +03 53 39.14 L F51
2016-10-11 10:04:04 C 02 44 55.010 +02 33 02.11 L F51
2016-10-11 10:23:04 C 02 44 53.744 +02 32 54.68 L F51
2016-10-21 08:19:39 C 02 27 49.01 +00 59 52.5 q G96
2016-10-21 08:25:51 C 02 27 48.61 +00 59 50.8 q G96
2016-10-21 08:32:03 C 02 27 48.04 +00 59 48.3 q G96
2016-10-21 08:38:11 C 02 27 47.55 +00 59 45.9 q G96
2016-10-21 09:21:13 C 02 27 44.16 +00 59 29.5 q G96
2016-10-21 09:34:24 C 02 27 43.08 +00 59 24.1 q G96
2016-10-21 09:48:04 C 02 27 42.03 +00 59 19.2 q G96
2016-10-21 10:01:44 C 02 27 40.96 +00 59 13.7 q G96
2016-10-22 06:05:50 C 02 26 07.97 +00 51 36.4 o 691
2016-10-22 06:20:04 C 02 26 06.85 +00 51 31.2 o 691
2016-10-22 06:34:13 C 02 26 05.78 +00 51 24.5 o 691
2016-10-22 08:49:18 C 02 25 54.90 +00 50 33.6 q G96
2016-10-22 09:03:20 C 02 25 53.86 +00 50 28.9 q G96
2016-10-22 09:17:02 C 02 25 52.73 +00 50 24.1 q G96
2016-10-22 09:31:02 C 02 25 51.61 +00 50 18.2 q G96
2016-10-23 08:49:49 C 02 24 02.15 +00 41 32.6 q G96
2016-10-23 09:10:54 C 02 24 00.44 +00 41 24.9 q G96
2016-10-23 09:31:48 C 02 23 58.75 +00 41 16.6 q G96
2016-10-23 09:52:52 C 02 23 57.06 +00 41 08.6 q G96
2016-10-29 07:26:59 C 02 12 37.51 -00 09 20.4 q G96
2016-10-29 07:35:29 C 02 12 36.87 -00 09 23.2 q G96
2016-10-29 07:45:13 C 02 12 35.99 -00 09 26.2 q G96
2016-10-29 07:51:23 C 02 12 35.53 -00 09 28.8 q G96
2016-10-29 09:48:09 C 02 12 26.222 -00 10 06.68 L F51
2016-10-29 10:05:19 C 02 12 24.803 -00 10 12.45 L F51
2016-10-30 07:20:08 C 02 10 41.67 -00 17 17.1 R G45
2016-10-30 07:25:43 C 02 10 41.32 -00 17 19.5 R G45
2016-10-30 07:27:20 C 02 10 41.12 -00 17 18.9 R G45
2016-10-30 07:32:52 C 02 10 40.65 -00 17 21.5 R G45
2016-10-30 07:40:01 C 02 10 40.08 -00 17 23.7 R G45
2016-10-30 07:41:37 C 02 10 39.95 -00 17 24.0 R G45
2016-11-02 07:17:29 C 02 04 53.84 -00 39 58.3 q G96
2016-11-02 07:25:01 C 02 04 53.17 -00 40 00.2 q G96
2016-11-02 07:32:33 C 02 04 52.61 -00 40 02.1 q G96