85804 (1998 WQ5)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3543687860 ± 6.65e-09
Semi-major axis (a)1.7211631714 AU ± 4.75e-10
Inclination (i)27.66459372° ± 1.24e-06
Long. of Asc. Node (Ω)285.67822994° ± 1.30e-06
Arg. of Perihelion (ω)269.84334313° ± 2.00e-06
Mean Anomaly (M)245.90272876° ± 1.68e-06
Mean Motion (n)0.4364949355°/day ± 1.81e-10
Perihelion dist (q)1.11123667 AU ± 1.14e-08
Aphelion dist (Q)2.33108967 AU ± 1.15e-08
Orbital Period2.25804747 yr ± 9.34e-10
Physical Parameters
H (abs. magnitude)15.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.207″
Uncertainty0
Orbit TypeAmor
MOID0.371125 AU
Observations Used3309
Gaia Obs Used149
Oppositions16
Arc Total1989-2026
First Observation Used1989-11-25
Last Observation Used2026-01-12
Observations (3973)
Date Type RA Dec Mag Band Observatory
1989-11-25 06:35:59 04 43 44.29 +55 41 25.9 675
1989-11-25 08:01:00 04 43 35.50 +55 40 59.4 675
1998-11-19 06:54:12 C 04 11 47.21 +57 18 24.4 19.3 a 704
1998-11-19 07:58:29 C 04 11 40.64 +57 18 05.4 19.1 a 704
1998-11-19 08:30:27 C 04 11 37.26 +57 17 56.2 19.3 a 704
1998-11-19 09:02:28 C 04 11 33.98 +57 17 48.7 19.8 a 704
1998-11-20 23:04:11 C 04 07 44.02 +57 06 05.8 557
1998-11-20 23:06:57 C 04 07 43.73 +57 06 05.1 557
1998-11-20 23:09:48 C 04 07 43.31 +57 06 03.9 557
1998-11-22 08:05:57 C 04 04 21.14 +56 54 29.8 z 684
1998-11-22 08:26:58 C 04 04 18.89 +56 54 22.1 z 684
1998-11-23 03:15:52 C 04 02 23.45 +56 47 01.4 17.8 a 704
1998-11-23 03:23:27 C 04 02 22.97 +56 46 57.5 a 704
1998-11-23 03:38:21 C 04 02 21.04 +56 46 53.1 a 704
1998-11-23 03:45:57 C 04 02 20.13 +56 46 48.8 17.8 a 704
1998-11-23 03:53:24 C 04 02 19.65 +56 46 47.4 a 704
1998-11-23 04:00:52 C 04 02 19.00 +56 46 43.7 17.8 a 704
1998-11-23 04:15:55 C 04 02 17.34 +56 46 39.4 18.0 a 704
1998-11-23 05:03:42 C 04 02 12.04 +56 46 19.9 17.9 a 704
1998-11-23 05:18:38 C 04 02 10.48 +56 46 14.8 a 704
1998-11-23 05:33:43 C 04 02 08.72 +56 46 06.6 a 704
1998-11-23 06:03:39 C 04 02 05.39 +56 45 56.9 a 704
1998-11-23 07:37:23 C 04 01 55.84 +56 45 18.7 z 684
1998-11-23 07:48:08 C 04 01 54.69 +56 45 14.3 z 684
1998-11-23 20:10:07 C 04 00 38.57 +56 40 02.3 557
1998-11-23 20:14:04 C 04 00 38.15 +56 40 00.8 557
1998-11-23 20:17:45 C 04 00 37.74 +56 39 59.1 557
1998-11-23 22:22:22 C 04 00 24.46 +56 39 06.7 118
1998-11-23 22:30:14 C 04 00 23.75 +56 39 03.9 118
1998-11-23 22:34:00 C 04 00 23.31 +56 39 02.4 118
1998-11-24 00:09:01 C 04 00 13.19 +56 38 21.8 046
1998-11-24 00:21:18 C 04 00 11.94 +56 38 16.7 046
1998-11-24 00:22:52 C 04 00 11.77 +56 38 15.8 046
1998-11-24 00:24:31 C 04 00 11.61 +56 38 15.0 046
1998-11-24 05:02:32 C 03 59 43.40 +56 36 14.7 b 713
1998-11-24 06:28:52 C 03 59 34.31 +56 35 37.5 b 713
1998-11-24 16:07:13 C 03 58 34.11 +56 31 21.7 z 900
1998-11-24 16:16:19 C 03 58 33.12 +56 31 17.2 z 900
1998-11-28 09:34:54 C 03 49 22.18 +55 45 28.9 z 402
1998-11-28 09:36:54 C 03 49 21.95 +55 45 27.7 z 402
1998-11-28 09:38:53 C 03 49 21.78 +55 45 26.5 z 402
1998-11-28 17:51:59 C 03 48 30.08 +55 40 41.9 360
1998-11-28 17:56:30 C 03 48 29.58 +55 40 39.6 360
1998-11-28 18:02:30 C 03 48 28.98 +55 40 35.8 360
1998-12-07 02:10:32 C 03 29 13.40 +53 17 35.8 z 104
1998-12-07 02:12:09 C 03 29 13.18 +53 17 34.6 z 104
1998-12-07 02:17:09 C 03 29 12.87 +53 17 30.4 z 104
1998-12-12 13:49:33 C 03 18 26.48 +51 18 21.1 z 402
1998-12-12 13:51:33 C 03 18 26.30 +51 18 19.1 z 402
1998-12-12 13:53:32 C 03 18 26.15 +51 18 17.4 z 402