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
2021-10-01 10:03:57 S 00 30 16.896 -04 40 16.82 V C57
2021-10-01 10:03:57 s 1 +178369.33 1 +152892.68 6810.0 C57
2021-10-01 10:25:08 C 00 30 28.42 -04 41 27.1 V T08
2021-10-01 10:30:27 C 00 30 28.06 -04 41 27.1 V T08
2021-10-01 10:33:57 S 00 30 14.626 -04 40 15.74 V C57
2021-10-01 10:33:57 s 1 +178241.23 2 +155161.89 4750.0 C57
2021-10-01 10:43:57 S 00 30 13.757 -04 40 16.57 V C57
2021-10-01 10:43:57 s 1 +178194.97 6 +155915.19 2500.0 C57
2021-10-01 11:03:57 S 00 30 12.540 -04 40 17.15 V C57
2021-10-01 11:03:57 s 1 +178097.19 0 +157417.13 890.0 C57
2021-10-01 11:30:20 C 00 30 23.97 -04 41 32.7 V T08
2021-10-01 12:03:57 S 00 30 08.042 -04 40 24.64 V C57
2021-10-01 12:03:57 s 1 +177762.35 6 +161885.73 1340.0 C57
2021-10-01 12:43:57 S 00 30 04.802 -04 40 37.02 V C57
2021-10-01 12:43:57 s 1 +177505.34 6 +164833.89 8590.0 C57
2021-10-01 12:53:57 S 00 30 04.106 -04 40 29.28 V C57
2021-10-01 12:53:57 s 1 +177436.95 6 +165567.07 4480.0 C57
2021-10-01 13:03:57 S 00 30 03.574 -04 40 35.18 V C57
2021-10-01 13:03:57 s 1 +177366.93 0 +166298.72 5050.0 C57
2021-10-01 13:43:57 S 00 30 00.698 -04 40 38.50 V C57
2021-10-01 13:43:57 s 1 +177070.64 5 +169209.92 4840.0 C57
2021-10-01 14:13:57 S 00 29 58.774 -04 40 39.22 V C57
2021-10-01 14:13:57 s 1 +176831.69 2 +171377.22 2860.0 C57
2021-10-01 14:43:57 S 00 29 56.069 -04 40 40.15 V C57
2021-10-01 14:43:57 s 1 +176578.65 1 +173530.75 5180.0 C57
2021-10-01 15:03:57 S 00 29 55.068 -04 40 43.39 V C57
2021-10-01 15:03:57 s 1 +176402.24 6 +174958.80 8380.0 C57
2021-10-01 15:33:57 S 00 29 52.855 -04 40 49.69 V C57
2021-10-01 15:33:57 s 1 +176126.23 9 +177089.45 6220.0 C57
2021-10-01 15:43:57 S 00 29 51.696 -04 40 50.02 V C57
2021-10-01 15:43:57 s 1 +176031.23 0 +177796.63 5750.0 C57
2021-10-01 16:03:57 S 00 29 50.203 -04 40 51.02 V C57
2021-10-01 16:03:57 s 1 +175836.75 0 +179206.43 340.0 C57
2021-10-01 16:23:57 S 00 29 48.970 -04 40 52.68 V C57
2021-10-01 16:23:57 s 1 +175636.37 5 +180610.16 5820.0 C57
2021-10-01 17:03:57 S 00 29 46.080 -04 40 56.86 V C57
2021-10-01 17:03:57 s 1 +175218.19 2 +183399.49 270.0 C57
2021-10-01 17:23:57 S 00 29 44.592 -04 41 01.86 V C57
2021-10-01 17:23:57 s 1 +175000.50 9 +184785.10 9660.0 C57
2021-10-01 17:43:57 S 00 29 43.114 -04 41 02.29 V C57
2021-10-01 17:43:57 s 1 +174777.17 9 +186164.69 740.0 C57
2021-10-01 18:23:57 S 00 29 40.476 -04 41 08.63 V C57
2021-10-01 18:23:57 s 1 +174313.81 8 +188905.86 8810.0 C57
2021-10-01 18:33:57 S 00 29 39.449 -04 41 08.12 V C57
2021-10-01 18:33:57 s 1 +174194.54 2 +189587.41 9700.0 C57
2021-10-01 18:53:57 S 00 29 37.987 -04 41 05.53 V C57
2021-10-01 18:53:57 s 1 +173951.91 5 +190946.02 8280.0 C57
2021-10-01 19:03:57 S 00 29 37.421 -04 41 12.62 V C57
2021-10-01 19:03:57 s 1 +173828.58 0 +191623.08 6020.0 C57
2021-10-01 21:23:57 S 00 29 27.250 -04 41 21.80 V C57