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
2021-11-10 14:45:05 s 1 +132728.54 4 +301926.07 3490.0 – C57
2021-11-10 15:05:05 S 10 50 24.182 -01 16 11.53 – V C57
2021-11-10 15:05:05 s 1 +132194.68 4 +302740.73 4150.0 – C57
2021-11-10 16:55:05 S 10 50 37.073 -01 19 00.16 – V C57
2021-11-10 16:55:05 s 1 +129222.20 8 +307138.12 9130.0 – C57
2021-11-10 17:15:05 S 10 50 38.998 -01 19 32.16 – V C57
2021-11-10 17:15:05 s 1 +128675.30 7 +307922.58 5320.0 – C57
2021-11-10 17:25:05 S 10 50 40.272 -01 19 45.30 – V C57
2021-11-10 17:25:05 s 1 +128401.12 6 +308313.08 5930.0 – C57
2021-11-10 20:05:05 S 10 50 58.620 -01 23 46.93 – V C57
2021-11-10 20:05:05 s 1 +123949.84 0 +314404.93 6720.0 – C57
2021-11-10 21:15:05 S 10 51 07.358 -01 25 33.35 – V C57
2021-11-10 21:15:05 s 1 +121965.56 0 +316978.33 130.0 – C57
2021-11-10 22:05:05 S 10 51 13.032 -01 26 53.38 – V C57
2021-11-10 22:05:05 s 1 +120535.02 6 +318782.52 760.0 – C57
2021-11-10 23:15:05 S 10 51 21.046 -01 28 34.75 – V C57
2021-11-10 23:15:05 s 1 +118514.30 7 +321261.10 860.0 – C57
2021-11-11 00:05:05 S 10 51 26.441 -01 29 55.93 – V C57
2021-11-11 00:05:05 s 1 +117058.40 8 +322997.89 5780.0 – C57
2021-11-11 00:15:05 S 10 51 27.358 -01 30 10.58 – V C57
2021-11-11 00:15:05 s 1 +116765.99 8 +323341.89 4620.0 – C57
2021-11-11 00:35:05 S 10 51 29.981 -01 30 41.15 – V C57
2021-11-11 00:35:05 s 1 +116179.96 4 +324026.56 8190.0 – C57
2021-11-11 01:55:05 S 10 51 39.226 -01 32 50.17 – V C57
2021-11-11 01:55:05 s 1 +113819.87 4 +326720.76 8800.0 – C57
2021-11-11 02:15:05 S 10 51 41.909 -01 33 11.66 – V C57
2021-11-11 02:15:05 s 1 +113225.93 2 +327383.23 5770.0 – C57
2021-11-11 02:25:05 S 10 51 42.607 -01 33 37.55 – V C57
2021-11-11 02:25:05 s 1 +112928.38 3 +327712.80 7320.0 – C57
2021-11-11 02:35:05 S 10 51 43.879 -01 33 44.24 – V C57
2021-11-11 02:35:05 s 1 +112630.45 0 +328041.27 7570.0 – C57
2021-11-11 05:25:05 S 10 52 03.029 -01 38 12.77 – V C57
2021-11-11 05:25:05 s 1 +107508.50 6 +333457.02 660.0 – C57
2021-11-11 05:45:05 S 10 52 05.794 -01 38 36.24 – V C57
2021-11-11 05:45:05 s 1 +106899.04 1 +334073.38 5660.0 – C57
2021-11-11 08:25:05 S 10 52 23.978 -01 42 50.29 – V C57
2021-11-11 08:25:05 s 1 +101973.77 6 +338847.84 680.0 – C57
2021-11-11 08:45:05 S 10 52 26.374 -01 43 18.12 – V C57
2021-11-11 08:45:05 s 1 +101352.10 7 +339425.18 5100.0 – C57
2021-11-11 09:05:05 S 10 52 28.644 -01 43 45.52 – V C57
2021-11-11 09:05:05 s 1 +100729.14 2 +339998.22 5220.0 – C57
2021-11-11 09:45:05 S 10 52 33.295 -01 44 50.50 – V C57
2021-11-11 09:45:05 s 1 +99479.372 0 +341131.41 2770.0 – C57
2021-11-11 11:15:05 S 10 52 43.656 -01 47 11.51 – V C57
2021-11-11 11:15:05 s 1 +96649.088 0 +343618.38 9320.0 – C57
2021-11-11 11:30:11 C 10 52 22.86 -01 48 04.8 – V 703
2021-11-11 11:37:57 C 10 52 23.74 -01 48 17.3 – V 703
2021-11-11 11:45:05 S 10 52 46.934 -01 47 50.75 – V C57
2021-11-11 11:45:05 s 1 +95700.165 0 +344428.15 6750.0 – C57
2021-11-11 11:45:42 C 10 52 24.60 -01 48 29.3 – V 703