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
2011-10-02 20:57:59 C 22 06 26.05 +35 57 55.0 c A24
2011-10-02 21:20:25 C 22 06 25.14 +35 57 43.4 c A24
2011-10-02 21:43:21 C 22 06 24.20 +35 57 31.3 c A24
2011-10-02 22:05:46 C 22 06 23.28 +35 57 19.3 c A24
2011-10-02 22:07:51 C 22 06 23.20 +35 57 18.9 c A24
2011-10-03 19:49:04 C 22 05 31.71 +35 46 00.5 c A24
2011-10-03 19:51:09 C 22 05 31.64 +35 45 59.2 c A24
2011-10-03 20:57:52 C 22 05 28.89 +35 45 24.1 c A24
2011-10-03 20:59:58 C 22 05 28.81 +35 45 23.4 c A24
2011-10-04 19:59:14 C 22 04 36.55 +35 33 12.8 c A24
2011-10-04 20:01:19 C 22 04 36.39 +35 33 12.6 c A24
2011-10-04 20:23:26 C 22 04 35.56 +35 33 00.7 c A24
2011-10-04 21:08:10 C 22 04 33.84 +35 32 34.9 c A24
2011-10-04 21:10:15 C 22 04 33.69 +35 32 34.0 c A24
2012-10-14 11:57:26 C 09 56 53.98 +08 50 05.8 r 703
2012-10-14 12:01:45 C 09 56 54.52 +08 50 01.2 r 703
2012-10-14 12:06:08 C 09 56 54.92 +08 49 56.1 r 703
2012-10-14 12:10:25 C 09 56 55.39 +08 49 50.8 r 703
2013-04-12 18:26:47 C 21 13 50.98 -26 00 44.5 q E12
2013-04-12 18:42:27 C 21 13 52.23 -26 00 29.1 q E12
2013-05-20 14:06:58 C 22 03 21.402 -10 28 47.97 L F51
2013-05-20 14:14:33 C 22 03 21.605 -10 28 40.03 L F51
2013-05-20 14:22:07 C 22 03 21.808 -10 28 32.18 L F51
2013-05-20 14:29:43 C 22 03 22.015 -10 28 24.26 L F51
2013-06-03 09:32:44 C 22 09 24.26 -04 41 28.0 u 703
2013-06-03 09:42:32 C 22 09 24.33 -04 41 18.0 u 703
2013-06-03 09:52:28 C 22 09 24.33 -04 41 07.6 u 703
2013-06-03 10:02:30 C 22 09 24.40 -04 40 57.4 u 703
2013-06-10 10:20:16 C 22 09 34.34 -01 44 56.9 u 703
2013-06-10 10:27:39 C 22 09 34.30 -01 44 49.0 u 703
2013-06-10 10:34:59 C 22 09 34.27 -01 44 41.3 u 703
2013-06-10 10:42:22 C 22 09 34.20 -01 44 33.8 u 703
2013-06-19 08:43:23 C 22 06 37.80 +01 56 04.3 u 703
2013-06-19 08:50:44 C 22 06 37.62 +01 56 11.6 u 703
2013-06-19 09:05:27 C 22 06 37.26 +01 56 26.8 u 703
2013-07-13 21:29:24 C 21 39 14.06 +10 55 09.5 o C41
2013-07-13 21:31:05 C 21 39 13.96 +10 55 09.9 o C41
2013-07-13 22:26:28 C 21 39 10.15 +10 55 51.8 o C41
2013-07-14 20:10:51 C 21 37 39.23 +11 12 04.4 o C41
2013-07-14 20:12:19 C 21 37 39.18 +11 12 05.4 o C41
2013-07-14 20:13:51 C 21 37 39.11 +11 12 06.2 o C41
2013-07-14 20:56:30 C 21 37 35.96 +11 12 39.0 o C41
2013-07-14 20:57:58 C 21 37 35.83 +11 12 39.6 o C41
2013-07-14 20:59:26 C 21 37 35.75 +11 12 41.1 o C41
2013-07-21 00:12:42 C 21 26 38.76 +12 52 01.2 q Z81
2013-07-21 01:42:16 C 21 26 31.62 +12 52 56.1 q Z81
2013-07-21 02:16:00 C 21 26 28.91 +12 53 16.5 q Z81
2013-07-22 04:56:46 C 21 24 23.53 +13 09 18.3 r Y00
2013-07-22 05:01:39 C 21 24 23.07 +13 09 20.9 r Y00
2013-07-22 05:06:32 C 21 24 22.65 +13 09 23.6 r Y00