IAA RAS IAA Minor Planet Database

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
2020-09-06 10:04:21 C 22 24 02.38 +37 01 06.1 – V T08
2020-09-06 10:51:58 C 22 23 59.08 +37 00 59.8 – V T08
2020-09-06 10:56:37 C 22 23 58.73 +37 00 58.4 – V T08
2020-09-06 11:06:04 C 22 23 58.09 +37 00 57.5 – V T08
2020-09-07 05:14:15 C 22 22 43.97 +36 58 08.3 – U I41
2020-09-07 07:35:55 C 22 22 34.05 +36 57 45.5 – U I41
2020-09-07 07:44:50 C 22 22 33.42 +36 57 44.1 – U I41
2020-09-07 08:52:52 C 22 22 28.67 +36 57 32.6 – U I41
2020-09-08 10:09:09 C 22 20 46.02 +36 53 07.0 – V T05
2020-09-08 10:13:46 C 22 20 45.72 +36 53 06.5 – V T05
2020-09-08 10:21:42 C 22 20 45.26 +36 53 04.6 – V T05
2020-09-08 10:36:54 C 22 20 44.16 +36 53 02.2 – V T05
2020-09-09 10:34:27 C 22 19 07.75 +36 48 17.0 – V T08
2020-09-09 11:10:58 C 22 19 05.26 +36 48 09.0 – V T08
2020-09-09 11:17:39 C 22 19 04.76 +36 48 07.9 – V T08
2020-09-09 11:49:58 C 22 19 02.57 +36 48 00.7 – V T08
2020-09-10 10:06:30 C 22 17 34.22 +36 43 08.1 – V T08
2020-09-10 10:12:27 C 22 17 33.83 +36 43 06.9 – V T08
2020-09-10 10:56:42 C 22 17 30.84 +36 42 56.3 – V T08
2020-09-10 11:05:21 C 22 17 30.25 +36 42 54.6 – V T08
2020-09-13 21:41:11 C 22 12 12.48 +36 21 06.7 19.1 q 122
2020-09-13 21:41:39 C 22 12 12.38 +36 21 06.5 – V 130
2020-09-13 21:48:06 C 22 12 11.97 +36 21 04.0 – V 130
2020-09-13 22:03:19 C 22 12 11.08 +36 21 00.5 18.7 q 122
2020-09-13 22:25:20 C 22 12 09.64 +36 20 53.8 19.0 q 122
2020-09-14 07:13:04 C 22 11 36.70 +36 18 15.8 – U I41
2020-09-14 07:23:51 C 22 11 36.04 +36 18 12.5 – U I41
2020-09-14 07:59:17 C 22 11 33.78 +36 18 01.7 – U I41
2020-09-14 08:14:39 C 22 11 32.79 +36 17 56.9 – U I41
2020-09-14 08:15:59 C 22 11 32.70 +36 17 56.6 – U I41
2020-09-14 22:24:53 C 22 10 40.70 +36 13 32.7 19.1 q 122
2020-09-14 22:45:53 C 22 10 39.40 +36 13 26.2 19.1 q 122
2020-09-14 23:08:22 C 22 10 37.97 +36 13 18.8 19.1 q 122
2020-09-15 10:43:30 C 22 09 55.45 +36 09 38.0 – V T05
2020-09-15 10:52:07 C 22 09 54.84 +36 09 35.4 – V T05
2020-09-15 10:56:44 C 22 09 54.66 +36 09 34.7 – V T05
2020-09-15 11:25:35 C 22 09 52.88 +36 09 24.7 – V T05
2020-09-16 05:52:30 C 22 08 46.60 +36 03 16.6 – V G96
2020-09-16 06:01:00 C 22 08 46.08 +36 03 14.1 – V G96
2020-09-16 06:09:31 C 22 08 45.54 +36 03 11.2 – V G96
2020-09-16 06:18:03 C 22 08 45.02 +36 03 08.2 – V G96
2020-09-17 21:55:28 C 22 06 25.94 +35 49 09.8 – V 160
2020-09-17 21:58:52 C 22 06 25.72 +35 49 08.2 – V 160
2020-09-17 22:02:16 C 22 06 25.46 +35 49 06.0 – V 160
2020-09-22 08:35:46 C 22 00 39.18 +35 06 34.2 – V T08
2020-09-22 08:41:46 C 22 00 38.90 +35 06 32.0 – V T08
2020-09-22 08:50:27 C 22 00 38.43 +35 06 27.9 – V T08
2020-09-22 09:05:04 C 22 00 37.64 +35 06 21.9 – V T08
2020-09-25 07:57:01 C 21 57 12.07 +34 34 33.2 – V T08
2020-09-25 08:03:51 C 21 57 11.74 +34 34 28.9 – V T08