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
2010-03-30 03:49:12 C 10 22 41.61 +26 38 06.4 r H53
2010-03-30 03:54:12 C 10 22 41.49 +26 38 02.3 r H53
2010-03-30 03:59:13 C 10 22 41.25 +26 37 59.4 r H53
2010-03-30 04:04:12 C 10 22 40.99 +26 37 54.8 r H53
2010-03-30 04:09:13 C 10 22 40.79 +26 37 51.4 r H53
2010-03-31 20:10:56 C 10 21 15.97 +26 06 52.3 w A06
2010-03-31 20:19:08 C 10 21 15.64 +26 06 45.8 w A06
2010-03-31 20:26:56 C 10 21 15.34 +26 06 40.1 w A06
2010-03-31 23:08:55 C 10 21 09.04 +26 04 23.5 17.0 u 084
2010-03-31 23:12:05 C 10 21 08.90 +26 04 21.3 17.2 u 084
2010-04-01 00:12:31 C 10 21 06.47 +26 03 34.9 17.0 u C20
2010-04-01 00:16:44 C 10 21 06.33 +26 03 31.1 17.1 u C20
2010-04-01 20:58:46 C 10 20 28.08 +25 46 56.3 w B09
2010-04-01 21:00:57 C 10 20 27.98 +25 46 54.2 w B09
2010-04-01 21:03:28 C 10 20 27.88 +25 46 51.5 w B09
2010-04-02 00:28:25 C 10 20 22.26 +25 44 04.7 o I15
2010-04-02 00:42:14 C 10 20 21.75 +25 43 53.6 o I15
2010-04-02 00:58:13 C 10 20 21.22 +25 43 40.7 o I15
2010-04-02 21:49:49 C 10 19 43.82 +25 26 22.1 17.2 u C20
2010-04-02 21:54:01 C 10 19 43.70 +25 26 18.5 17.1 u C20
2010-04-04 21:29:57 C 10 18 33.15 +24 45 29.7 w J93
2010-04-04 21:33:32 C 10 18 33.06 +24 45 26.4 w J93
2010-04-04 21:37:05 C 10 18 32.99 +24 45 23.5 w J93
2010-04-04 23:56:05 C 10 18 29.29 +24 43 24.0 w I99
2010-04-05 00:03:25 C 10 18 29.08 +24 43 17.2 w I99
2010-04-05 00:11:50 C 10 18 28.82 +24 43 09.9 w I99
2010-04-05 04:46:00 C 10 18 23.16 +24 39 11.9 u H47
2010-04-05 04:54:43 C 10 18 22.92 +24 39 04.2 u H47
2010-04-05 05:04:44 C 10 18 22.64 +24 38 55.0 u H47
2010-04-05 22:05:41 C 10 18 01.98 +24 23 42.6 o B75
2010-04-05 22:07:14 C 10 18 02.00 +24 23 41.4 o B75
2010-04-05 22:10:32 C 10 18 01.89 +24 23 38.4 o B75
2010-04-05 22:52:14 C 10 18 00.92 +24 23 01.1 v 160
2010-04-05 22:53:23 C 10 18 00.85 +24 23 00.7 v 160
2010-04-05 22:55:30 C 10 18 00.80 +24 22 58.2 v 160
2010-04-05 23:38:21 C 10 17 59.50 +24 22 15.8 17.2 u C20
2010-04-05 23:42:35 C 10 17 59.42 +24 22 12.0 17.2 u C20
2010-04-06 05:42:52 C 10 17 53.27 +24 16 56.4 17.0 c 704
2010-04-06 05:59:40 C 10 17 52.87 +24 16 41.2 17.5 c 704
2010-04-06 06:16:40 C 10 17 52.49 +24 16 25.4 17.3 c 704
2010-04-06 06:33:24 C 10 17 52.07 +24 16 10.2 17.2 c 704
2010-04-06 06:50:06 C 10 17 51.71 +24 15 55.1 17.4 c 704
2010-04-06 19:04:05 C 10 17 39.83 +24 04 43.6 u 240
2010-04-06 19:07:11 C 10 17 39.76 +24 04 40.9 u 240
2010-04-06 19:11:18 C 10 17 39.67 +24 04 37.1 u 240
2010-04-06 19:16:27 C 10 17 39.57 +24 04 32.4 u 240
2010-04-06 19:31:55 C 10 17 39.24 +24 04 18.5 u 240
2010-04-06 19:45:20 C 10 17 38.96 +24 04 06.3 u 240
2010-04-06 22:24:16 C 10 17 35.56 +24 01 42.2 u 160
2010-04-06 22:26:26 C 10 17 35.51 +24 01 40.2 u 160