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
2021-11-15 07:05:05 s 1 -92451.060 0 +338703.20 9310.0 – C57
2021-11-15 09:05:05 S 11 03 26.789 -04 14 38.90 – V C57
2021-11-15 09:05:05 s 1 -96251.243 0 +335111.70 4050.0 – C57
2021-11-15 10:05:05 S 11 03 33.547 -04 16 22.80 – V C57
2021-11-15 10:05:05 s 1 -98134.242 0 +333255.90 3400.0 – C57
2021-11-15 11:25:05 S 11 03 43.013 -04 18 26.71 – V C57
2021-11-15 11:25:05 s 1 -100626.41 2 +330718.83 3820.0 – C57
2021-11-15 12:25:05 S 11 03 49.798 -04 20 02.11 – V C57
2021-11-15 12:25:05 s 1 -102481.21 2 +328768.77 3330.0 – C57
2021-11-15 13:15:05 S 11 03 55.174 -04 21 27.83 – V C57
2021-11-15 13:15:05 s 1 -104016.99 3 +327114.55 4330.0 – C57
2021-11-15 15:15:05 S 11 04 09.223 -04 24 35.82 – V C57
2021-11-15 15:15:05 s 1 -107666.17 9 +323023.87 8230.0 – C57
2021-11-15 19:05:05 S 11 04 35.054 -04 30 45.76 – V C57
2021-11-15 19:05:05 s 1 -114503.99 6 +314720.39 5410.0 – C57
2021-11-15 20:05:05 S 11 04 41.796 -04 32 24.58 – V C57
2021-11-15 20:05:05 s 1 -116251.72 8 +312452.99 5350.0 – C57
2021-11-15 20:25:05 S 11 04 44.153 -04 32 50.21 – V C57
2021-11-15 20:25:05 s 1 -116830.83 0 +311687.80 850.0 – C57
2021-11-15 21:25:05 S 11 04 50.935 -04 34 23.88 – V C57
2021-11-15 21:25:05 s 1 -118557.47 7 +309363.89 3050.0 – C57
2021-11-15 21:55:05 S 11 04 54.451 -04 35 17.56 – V C57
2021-11-15 21:55:05 s 1 -119414.70 5 +308185.96 3820.0 – C57
2021-11-15 22:15:05 S 11 04 56.311 -04 35 50.82 – V C57
2021-11-15 22:15:05 s 1 -119983.89 4 +307394.73 8150.0 – C57
2021-11-15 22:25:05 S 11 04 58.003 -04 36 01.73 – V C57
2021-11-15 22:25:05 s 1 -120267.79 3 +306997.33 7430.0 – C57
2021-11-15 22:35:05 S 11 04 59.030 -04 36 23.69 – V C57
2021-11-15 22:35:05 s 1 -120551.22 5 +306598.74 4770.0 – C57
2021-11-15 22:45:05 S 11 05 00.065 -04 36 38.12 – V C57
2021-11-15 22:45:05 s 1 -120834.18 9 +306198.96 180.0 – C57
2021-11-15 23:45:05 S 11 05 07.104 -04 38 14.14 – V C57
2021-11-15 23:45:05 s 1 -122522.01 3 +303775.14 1380.0 – C57
2021-11-16 00:15:05 S 11 05 10.186 -04 39 01.87 – V C57
2021-11-16 00:15:05 s 1 -123359.42 3 +302547.03 90.0 – C57
2021-11-16 03:25:05 S 11 05 32.347 -04 44 05.24 – V C57
2021-11-16 03:25:05 s 1 -128557.92 1 +294515.96 8490.0 – C57
2021-11-16 05:05:05 S 11 05 43.586 -04 46 45.62 – V C57
2021-11-16 05:05:05 s 1 -131217.39 0 +290111.60 1200.0 – C57
2021-11-16 05:55:05 S 11 05 48.648 -04 48 05.51 – V C57
2021-11-16 05:55:05 s 1 -132526.26 6 +287862.98 2060.0 – C57
2021-11-16 06:05:05 S 11 05 49.697 -04 48 19.69 – V C57
2021-11-16 06:05:05 s 1 -132786.33 1 +287409.52 3230.0 – C57
2021-11-16 06:25:05 S 11 05 52.243 -04 48 56.23 – V C57
2021-11-16 06:25:05 s 1 -133304.73 1 +286498.85 8500.0 – C57
2021-11-16 08:55:05 S 11 06 09.497 -04 53 00.96 – V C57
2021-11-16 08:55:05 s 1 -137117.07 9 +279508.54 4110.0 – C57
2021-11-16 09:55:05 S 11 06 15.970 -04 54 28.76 – V C57
2021-11-16 09:55:05 s 1 -138603.29 0 +276632.54 8510.0 – C57
2021-11-16 10:55:05 S 11 06 23.378 -04 56 07.15 – V C57