2329 Orthos (1976 WA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6533456164 ± 5.97e-09
Semi-major axis (a)2.4113099256 AU ± 1.95e-09
Inclination (i)24.46389629° ± 2.94e-07
Long. of Asc. Node (Ω)169.24806462° ± 7.20e-07
Arg. of Perihelion (ω)146.10872860° ± 9.78e-07
Mean Anomaly (M)71.29202635° ± 1.34e-06
Mean Motion (n)0.2632283887°/day ± 3.20e-10
Perihelion dist (q)0.83589116 AU ± 1.44e-08
Aphelion dist (Q)3.98672870 AU ± 1.48e-08
Orbital Period3.74437684 yr ± 4.55e-09
Physical Parameters
H (abs. magnitude)14.57
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.022″
Uncertainty0
Orbit TypeApollo
MOID0.094617 AU
Observations Used1705
Gaia Obs Used109
Oppositions30
Arc Total1976-2026
First Observation Used1976-05-31
Last Observation Used2026-03-04
Observations (1882)
Date Type RA Dec Mag Band Observatory
2014-12-08 08:03:02 C 08 08 53.99 -06 52 48.8 u 807
2014-12-08 08:11:44 C 08 08 53.75 -06 52 48.9 u 807
2014-12-08 08:20:11 C 08 08 53.51 -06 52 50.1 u 807
2014-12-12 08:04:18 C 08 06 14.19 -07 01 23.8 u 807
2014-12-12 08:08:51 C 08 06 14.06 -07 01 23.8 u 807
2014-12-12 08:09:04 C 08 06 14.13 -07 01 27.9 u H21
2014-12-12 08:13:39 C 08 06 13.91 -07 01 24.1 u 807
2014-12-12 08:15:38 C 08 06 13.92 -07 01 28.3 u H21
2014-12-12 08:18:02 C 08 06 13.77 -07 01 24.7 u 807
2014-12-12 08:21:57 C 08 06 13.73 -07 01 29.2 u H21
2014-12-12 08:22:53 C 08 06 13.64 -07 01 25.6 u 807
2014-12-14 08:11:36 C 08 04 47.07 -07 04 39.4 u 807
2014-12-14 08:16:12 C 08 04 46.91 -07 04 39.5 u 807
2014-12-14 08:21:02 C 08 04 46.76 -07 04 39.8 u 807
2014-12-14 08:25:06 C 08 04 46.65 -07 04 40.0 u 807
2014-12-14 08:30:16 C 08 04 46.49 -07 04 40.2 u 807
2014-12-29 08:16:09 C 07 51 49.68 -07 04 34.9 R G45
2014-12-29 08:20:32 C 07 51 49.53 -07 04 34.8 R G45
2014-12-29 08:26:42 C 07 51 49.23 -07 04 34.2 R G45
2014-12-29 08:40:55 C 07 51 48.64 -07 04 32.9 R G45
2015-01-03 06:10:54 C 07 47 00.09 -06 54 32.3 u 807
2015-01-03 06:17:32 C 07 46 59.82 -06 54 31.6 u 807
2015-01-03 06:24:04 C 07 46 59.50 -06 54 31.2 u 807
2015-12-13 14:33:34 C 10 11 37.607 -02 52 50.34 L F51
2015-12-13 14:52:00 C 10 11 37.555 -02 52 51.79 L F51
2016-01-11 05:07:48 C 10 03 12.68 -02 46 27.4 u 807
2016-01-11 05:17:07 C 10 03 12.47 -02 46 26.5 u 807
2016-01-11 05:26:39 C 10 03 12.24 -02 46 25.3 u 807
2016-01-11 13:30:37 C 10 03 01.041 -02 45 43.35 L F51
2016-01-11 13:49:57 C 10 03 00.590 -02 45 41.51 L F51
2016-01-11 14:09:10 C 10 03 00.132 -02 45 39.67 L F51
2016-01-11 14:28:25 C 10 02 59.676 -02 45 37.95 L F51
2016-01-12 12:34:09 C 10 02 28.702 -02 43 29.66 L F51
2016-01-12 12:51:40 C 10 02 28.270 -02 43 27.85 L F51
2016-01-12 13:09:02 C 10 02 27.848 -02 43 26.12 L F51
2016-01-12 13:26:25 C 10 02 27.424 -02 43 24.46 L F51
2016-01-17 12:23:30 C 09 59 26.042 -02 29 40.19 L F51
2016-01-17 12:42:38 C 09 59 25.508 -02 29 37.71 L F51
2016-01-17 13:01:48 C 09 59 24.971 -02 29 35.16 L F51
2016-01-17 13:20:59 C 09 59 24.439 -02 29 32.63 L F51
2016-01-21 11:59:56 C 09 56 44.121 -02 15 55.59 L F51
2016-01-21 12:15:04 C 09 56 43.675 -02 15 52.97 L F51
2016-01-21 12:30:06 C 09 56 43.218 -02 15 51.11 L F51
2016-01-21 12:45:13 C 09 56 42.746 -02 15 48.55 L F51
2016-02-09 10:38:21 C 09 41 27.019 -00 39 25.51 L F51
2016-02-09 10:57:19 C 09 41 26.311 -00 39 20.53 L F51
2016-02-09 11:16:20 C 09 41 25.601 -00 39 15.51 L F51
2016-02-09 11:35:18 C 09 41 24.892 -00 39 10.62 L F51
2016-02-15 06:20:00 C 09 36 18.71 -00 00 53.8 q 703
2016-02-15 06:27:12 C 09 36 18.58 -00 00 52.6 q 703