85839 (1998 YO4)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2481006912 ± 1.24e-08
Semi-major axis (a)1.6534926704 AU ± 9.96e-10
Inclination (i)9.31939239° ± 8.81e-07
Long. of Asc. Node (Ω)28.50072273° ± 2.80e-06
Arg. of Perihelion (ω)199.69071851° ± 2.99e-06
Mean Anomaly (M)97.04138343° ± 2.26e-06
Mean Motion (n)0.4635631070°/day ± 4.19e-10
Perihelion dist (q)1.24326000 AU ± 2.05e-08
Aphelion dist (Q)2.06372534 AU ± 2.05e-08
Orbital Period2.12619656 yr ± 1.92e-09
Physical Parameters
H (abs. magnitude)16.58
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.072″
Uncertainty0
Orbit TypeAmor
MOID0.239954 AU
Observations Used2510
Gaia Obs Used50
Oppositions12
Arc Total1993-2025
First Observation Used1993-04-25
Last Observation Used2025-11-08
Observations (3041)
Date Type RA Dec Mag Band Observatory
2021-09-18 05:23:57 s 1 +172616.90 2 +132965.88 1650.0 C57
2021-09-18 05:53:57 S 00 51 09.401 -04 00 47.88 V C57
2021-09-18 05:53:57 s 1 +172608.70 3 +135402.67 2080.0 C57
2021-09-18 06:43:57 S 00 51 05.602 -04 00 51.23 V C57
2021-09-18 06:43:57 s 1 +172552.61 4 +139430.41 6530.0 C57
2021-09-18 11:03:57 S 00 50 47.230 -04 01 37.74 V C57
2021-09-18 11:03:57 s 1 +171463.89 8 +159702.37 5970.0 C57
2021-09-18 11:43:57 S 00 50 44.179 -04 01 44.29 V C57
2021-09-18 11:43:57 s 1 +171185.93 3 +162721.81 4990.0 C57
2021-09-18 12:03:57 S 00 50 42.965 -04 01 41.34 V C57
2021-09-18 12:03:57 s 1 +171036.59 8 +164221.69 5480.0 C57
2021-09-18 12:43:57 S 00 50 40.296 -04 01 50.56 V C57
2021-09-18 12:43:57 s 1 +170717.63 0 +167201.80 9760.0 C57
2021-09-18 14:43:57 S 00 50 31.207 -04 02 08.45 V C57
2021-09-18 14:43:57 s 1 +169603.91 0 +175985.93 7460.0 C57
2021-09-18 15:13:57 S 00 50 29.669 -04 02 08.77 V C57
2021-09-18 15:13:57 s 1 +169290.05 2 +178145.58 3030.0 C57
2021-09-18 17:23:57 S 00 50 20.520 -04 02 34.40 V C57
2021-09-18 17:23:57 s 1 +167774.75 5 +187337.54 7540.0 C57
2021-09-18 19:13:57 S 00 50 12.238 -04 02 54.35 V C57
2021-09-18 19:13:57 s 1 +166305.22 1 +194906.06 1940.0 C57
2021-09-18 22:33:57 S 00 49 57.967 -04 03 24.37 V C57
2021-09-18 22:33:57 s 1 +163227.41 8 +208183.61 6160.0 C57
2021-09-18 23:33:57 S 00 49 54.007 -04 03 32.65 V C57
2021-09-18 23:33:57 s 1 +162208.54 6 +212046.99 4380.0 C57
2021-09-19 00:13:57 S 00 49 51.149 -04 03 38.30 V C57
2021-09-19 00:13:57 s 1 +161506.08 2 +214592.21 490.0 C57
2021-09-19 01:03:57 S 00 49 47.376 -04 03 43.24 V C57
2021-09-19 01:03:57 s 1 +160602.56 2 +217739.76 2340.0 C57
2021-09-19 01:23:57 S 00 49 46.301 -04 03 53.93 V C57
2021-09-19 01:23:57 s 1 +160233.39 0 +218988.26 1660.0 C57
2021-09-19 01:33:57 S 00 49 45.432 -04 03 50.47 V C57
2021-09-19 01:33:57 s 1 +160047.16 3 +219610.27 5950.0 C57
2021-09-19 01:53:57 S 00 49 44.158 -04 03 55.15 V C57
2021-09-19 01:53:57 s 1 +159671.45 6 +220849.79 3890.0 C57
2021-09-19 04:53:57 S 00 49 31.591 -04 04 20.71 V C57
2021-09-19 04:53:57 s 1 +156101.77 1 +231738.59 9320.0 C57
2021-09-19 05:13:57 S 00 49 30.295 -04 04 24.38 V C57
2021-09-19 05:13:57 s 1 +155684.98 6 +232919.06 2920.0 C57
2021-09-19 06:13:57 S 00 49 25.754 -04 04 31.33 V C57
2021-09-19 06:13:57 s 1 +154411.49 2 +236425.58 8110.0 C57
2021-09-19 06:43:57 S 00 49 23.729 -04 04 38.50 V C57
2021-09-19 06:43:57 s 1 +153761.96 8 +238159.29 3970.0 C57
2021-09-19 07:03:57 S 00 49 22.109 -04 04 42.85 V C57
2021-09-19 07:03:57 s 1 +153324.30 6 +239307.88 9370.0 C57
2021-09-19 07:53:57 S 00 49 18.869 -04 04 52.86 V C57
2021-09-19 07:53:57 s 1 +152214.16 1 +242154.24 5670.0 C57
2021-09-19 08:03:57 S 00 49 17.707 -04 04 47.50 V C57
2021-09-19 08:03:57 s 1 +151989.42 6 +242719.22 4100.0 C57
2021-09-19 09:13:57 S 00 49 13.099 -04 05 04.63 V C57