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
2010-04-28 20:23:59 C 10 24 03.92 +14 45 31.9 17.5 u C20
2010-04-28 20:28:13 C 10 24 04.08 +14 45 27.0 17.4 u C20
2010-04-28 20:31:26 C 10 24 04.49 +14 45 19.7 17.6 u 084
2010-04-28 20:34:35 C 10 24 04.57 +14 45 16.8 17.2 o 084
2010-04-28 21:51:22 C 10 24 07.39 +14 43 51.1 u 160
2010-04-28 21:54:11 C 10 24 07.50 +14 43 48.1 u 160
2010-04-28 21:57:08 C 10 24 07.62 +14 43 44.6 u 160
2010-04-29 20:46:51 C 10 25 01.46 +14 17 16.0 17.7 u C20
2010-04-29 20:51:05 C 10 25 01.61 +14 17 11.1 17.8 u C20
2010-04-29 21:28:54 C 10 25 03.40 +14 16 27.8 u 160
2010-04-29 21:32:04 C 10 25 03.50 +14 16 23.7 u 160
2010-04-29 21:35:07 C 10 25 03.64 +14 16 20.4 u 160
2010-04-30 20:25:36 C 10 26 00.18 +13 49 43.8 17.4 u C20
2010-04-30 20:29:50 C 10 26 00.36 +13 49 38.8 17.2 u C20
2010-04-30 22:02:28 C 10 26 04.38 +13 47 51.0 u 160
2010-04-30 22:05:32 C 10 26 04.51 +13 47 47.3 u 160
2010-04-30 22:08:35 C 10 26 04.63 +13 47 43.8 u 160
2010-05-01 20:51:42 C 10 27 04.01 +13 21 04.8 17.2 u 084
2010-05-02 20:33:42 C 10 28 08.35 +12 53 13.8 17.3 u 084
2010-05-02 20:36:52 C 10 28 08.45 +12 53 10.7 17.8 u 084
2010-05-03 19:59:38 C 10 29 14.58 +12 25 36.2 17.7 u 084
2010-05-04 05:14:11 C 10 29 41.24 +12 14 47.1 r 703
2010-05-04 05:21:34 C 10 29 41.56 +12 14 38.1 r 703
2010-05-04 05:29:06 C 10 29 41.85 +12 14 29.2 r 703
2010-05-04 05:36:35 C 10 29 42.21 +12 14 20.4 r 703
2010-05-04 05:44:07 C 10 29 42.54 +12 14 11.3 r 703
2010-05-07 04:48:11 C 10 33 21.97 +10 49 37.9 17.7 c 704
2010-05-07 05:02:35 C 10 33 22.69 +10 49 20.5 18.2 c 704
2010-05-07 05:17:00 C 10 33 23.43 +10 49 03.3 17.9 c 704
2010-05-07 05:31:24 C 10 33 24.14 +10 48 46.0 17.8 c 704
2010-05-07 05:45:53 C 10 33 24.89 +10 48 28.5 17.8 c 704
2010-05-11 03:44:15 C 10 38 48.97 +08 55 26.4 17.3 c 704
2010-05-11 03:58:20 C 10 38 49.76 +08 55 09.2 17.8 c 704
2010-05-11 04:12:26 C 10 38 50.52 +08 54 52.4 17.8 c 704
2010-05-11 04:26:44 C 10 38 51.39 +08 54 34.9 17.5 c 704
2010-05-11 04:40:50 C 10 38 52.14 +08 54 17.7 17.4 c 704
2010-05-13 04:48:10 C 10 41 52.06 +07 55 57.0 17.3 c 704
2010-05-13 05:02:17 C 10 41 52.88 +07 55 39.6 17.6 c 704
2010-05-13 05:16:14 C 10 41 53.76 +07 55 22.6 18.0 c 704
2010-05-13 05:30:08 C 10 41 54.60 +07 55 05.7 17.6 c 704
2010-05-13 05:44:01 C 10 41 55.46 +07 54 49.0 17.4 c 704
2010-05-13 05:47:24 C 10 41 55.64 +07 54 45.2 r 703
2010-05-13 05:56:29 C 10 41 56.14 +07 54 33.9 r 703
2010-05-13 06:05:36 C 10 41 56.72 +07 54 22.8 r 703
2010-05-13 06:14:48 C 10 41 57.26 +07 54 11.5 r 703
2010-05-14 03:30:55 C 10 43 20.41 +07 28 19.7 17.9 c 704
2010-05-14 03:44:58 C 10 43 21.25 +07 28 02.4 17.7 c 704
2010-05-14 03:59:14 C 10 43 22.16 +07 27 45.0 18.0 c 704
2010-05-14 04:13:22 C 10 43 23.00 +07 27 27.8 18.1 c 704
2010-05-14 04:27:44 C 10 43 23.88 +07 27 10.1 17.9 c 704