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
2021-10-02 20:03:57 s 1 +143336.02 5 +277131.82 230.0 C57
2021-10-02 20:33:57 S 00 27 48.058 -04 43 35.36 V C57
2021-10-02 20:33:57 s 1 +142536.33 4 +278533.50 8500.0 C57
2021-10-02 21:13:57 S 00 27 45.168 -04 43 40.04 V C57
2021-10-02 21:13:57 s 1 +141461.14 2 +280384.56 4260.0 C57
2021-10-02 21:23:57 S 00 27 44.198 -04 43 35.36 V C57
2021-10-02 21:23:57 s 1 +141190.76 8 +280844.15 8150.0 C57
2021-10-02 22:03:57 S 00 27 41.690 -04 43 41.48 V C57
2021-10-02 22:03:57 s 1 +140103.05 0 +282669.81 3830.0 C57
2021-10-02 22:23:57 S 00 27 40.514 -04 43 39.76 V C57
2021-10-02 22:23:57 s 1 +139555.49 9 +283575.04 9860.0 C57
2021-10-02 22:33:57 S 00 27 39.710 -04 43 46.02 V C57
2021-10-02 22:33:57 s 1 +139280.80 9 +284025.77 9950.0 C57
2021-10-02 22:43:57 S 00 27 38.818 -04 43 47.39 V C57
2021-10-02 22:43:57 s 1 +139005.51 5 +284475.23 8110.0 C57
2021-10-02 23:03:57 S 00 27 37.279 -04 43 41.16 V C57
2021-10-02 23:03:57 s 1 +138453.12 2 +285370.37 8660.0 C57
2021-10-02 23:23:57 S 00 27 35.712 -04 43 48.04 V C57
2021-10-02 23:23:57 s 1 +137898.34 2 +286260.49 1570.0 C57
2021-10-02 23:43:57 S 00 27 34.714 -04 43 55.24 V C57
2021-10-02 23:43:57 s 1 +137341.19 5 +287145.58 6920.0 C57
2021-10-02 23:53:57 S 00 27 33.660 -04 43 46.02 V C57
2021-10-02 23:53:57 s 1 +137061.74 1 +287586.24 1790.0 C57
2021-10-03 00:13:57 S 00 27 32.626 -04 43 54.91 V C57
2021-10-03 00:13:57 s 1 +136501.08 5 +288463.81 5930.0 C57
2021-10-03 00:23:57 S 00 27 31.966 -04 43 56.42 V C57
2021-10-03 00:23:57 s 1 +136219.88 9 +288900.73 5220.0 C57
2021-10-03 02:03:57 S 00 27 24.732 -04 44 03.55 V C57
2021-10-03 02:03:57 s 1 +133376.70 3 +293201.34 8500.0 C57
2021-10-03 02:43:57 S 00 27 22.325 -04 44 06.07 V C57
2021-10-03 02:43:57 s 1 +132223.89 2 +294886.86 6220.0 C57
2021-10-03 02:53:57 S 00 27 21.468 -04 44 07.37 V C57
2021-10-03 02:53:57 s 1 +131934.33 4 +295305.15 8830.0 C57
2021-10-03 03:03:57 S 00 27 20.592 -04 44 11.33 V C57
2021-10-03 03:03:57 s 1 +131644.23 8 +295722.21 9730.0 C57
2021-10-03 03:23:57 S 00 27 19.126 -04 44 08.20 V C57
2021-10-03 03:23:57 s 1 +131062.44 4 +296552.64 6410.0 C57
2021-10-03 03:53:57 S 00 27 17.429 -04 44 15.86 V C57
2021-10-03 03:53:57 s 1 +130185.78 4 +297789.07 8770.0 C57
2021-10-03 04:13:57 S 00 27 15.768 -04 44 17.77 V C57
2021-10-03 04:13:57 s 1 +129598.72 7 +298607.22 8680.0 C57
2021-10-03 04:23:57 S 00 27 14.748 -04 44 13.70 V C57
2021-10-03 04:23:57 s 1 +129304.42 0 +299014.45 6150.0 C57
2021-10-03 04:53:57 S 00 27 12.912 -04 44 14.03 V C57
2021-10-03 04:53:57 s 1 +128418.41 5 +300228.83 8740.0 C57
2021-10-03 05:03:57 S 00 27 12.089 -04 44 18.24 V C57
2021-10-03 05:03:57 s 1 +128122.06 0 +300631.19 9690.0 C57
2021-10-03 05:33:57 S 00 27 10.315 -04 44 18.35 V C57
2021-10-03 05:33:57 s 1 +127229.96 6 +301830.93 2890.0 C57
2021-10-03 05:43:57 S 00 27 09.439 -04 44 18.46 V C57