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
2016-11-21 02:05:30 C 01 32 33.45 -02 06 44.4 V G45
2016-11-21 02:51:12 C 01 32 30.72 -02 06 48.2 V G45
2016-11-21 03:44:26 C 01 32 27.47 -02 06 52.0 V G45
2016-11-21 04:27:57 C 01 32 24.79 -02 06 55.2 V G45
2016-12-02 03:05:03 C 01 19 30.93 -02 07 54.1 q G96
2016-12-02 03:11:15 C 01 19 30.65 -02 07 54.3 q G96
2016-12-02 03:17:28 C 01 19 30.44 -02 07 54.1 q G96
2016-12-02 03:23:38 C 01 19 30.21 -02 07 53.8 q G96
2017-08-23 11:09:02 S 17 00 08.719 -47 44 51.04 L C51
2017-08-23 12:43:17 S 17 00 57.559 -47 44 21.37 L C51
2017-08-23 15:51:47 S 17 02 34.147 -47 43 18.80 L C51
2017-08-24 01:17:28 S 17 07 19.373 -47 39 44.64 L C51
2019-09-04 09:35:02 C 02 44 18.01 +03 28 34.5 V G96
2019-09-04 09:42:38 C 02 44 17.90 +03 28 32.5 V G96
2019-09-04 09:50:11 C 02 44 17.78 +03 28 30.7 V G96
2019-09-04 09:57:43 C 02 44 17.65 +03 28 28.2 V G96
2019-09-27 12:46:46 C 02 24 38.419 +00 08 54.14 U F51
2019-09-27 13:03:44 C 02 24 37.437 +00 08 46.97 U F51
2019-09-27 13:20:44 C 02 24 36.455 +00 08 39.63 U F51
2019-09-27 13:37:46 C 02 24 35.465 +00 08 32.38 U F51
2019-09-30 11:34:11 C 02 20 31.142 -00 21 31.59 U F51
2019-09-30 11:53:44 C 02 20 29.923 -00 21 40.00 U F51
2019-09-30 12:13:17 C 02 20 28.704 -00 21 48.51 U F51
2019-09-30 12:32:51 C 02 20 27.473 -00 21 56.97 U F51
2019-10-02 10:45:05 C 02 17 35.29 -00 42 04.2 V G96
2019-10-02 11:01:00 C 02 17 34.25 -00 42 11.3 V G96
2019-10-02 11:08:25 C 02 17 33.75 -00 42 15.0 V G96
2019-10-02 11:15:49 C 02 17 33.28 -00 42 17.7 V G96
2019-10-21 10:44:13 C 01 44 20.816 -03 50 07.71 U F51
2019-10-21 11:01:58 C 01 44 19.410 -03 50 13.91 U F51
2019-10-21 11:19:45 C 01 44 17.991 -03 50 20.29 U F51
2019-10-21 11:37:36 C 01 44 16.566 -03 50 26.56 U F51
2019-10-24 10:16:26 C 01 38 49.090 -04 14 28.72 U F52
2019-10-24 10:57:31 C 01 38 45.858 -04 14 42.19 U F52
2019-10-24 11:18:00 C 01 38 44.237 -04 14 48.72 U F52
2019-10-29 06:40:43 C 01 30 00.45 -04 49 08.5 V G96
2019-10-29 06:48:49 C 01 29 59.91 -04 49 10.3 V G96
2019-10-29 06:56:54 C 01 29 59.30 -04 49 12.3 V G96
2019-10-29 07:05:00 C 01 29 58.68 -04 49 14.4 V G96
2019-11-02 09:10:35 C 01 22 53.566 -05 12 58.90 U F52
2019-11-02 09:28:20 C 01 22 52.280 -05 13 02.96 U F52
2019-11-02 09:46:03 C 01 22 51.011 -05 13 06.42 U F52
2019-11-02 10:03:44 C 01 22 49.725 -05 13 10.31 U F52
2019-11-28 05:01:37 C 00 51 24.588 -05 41 47.52 U F51
2019-11-28 05:17:18 C 00 51 24.105 -05 41 45.88 U F51
2019-11-28 05:33:01 C 00 51 23.622 -05 41 43.89 U F51
2019-11-28 05:48:44 C 00 51 23.155 -05 41 42.34 U F51
2019-12-24 05:33:13 C 00 46 40.236 -03 24 26.69 U F51
2019-12-24 05:49:34 C 00 46 40.409 -03 24 21.38 U F51
2019-12-24 06:22:25 C 00 46 40.731 -03 24 11.31 U F51