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
2012-05-02 20:54:43 C 08 27 27.98 +26 37 21.9 c A24
2012-05-02 21:17:24 C 08 27 30.17 +26 37 06.4 c A24
2012-05-02 21:40:37 C 08 27 32.45 +26 36 51.0 c A24
2012-05-03 20:06:37 C 08 29 45.26 +26 21 29.9 c A24
2012-05-03 20:08:41 C 08 29 45.41 +26 21 28.0 c A24
2012-05-03 20:31:29 C 08 29 47.71 +26 21 12.6 c A24
2012-05-03 20:54:47 C 08 29 50.09 +26 20 55.9 c A24
2012-05-03 21:17:34 C 08 29 52.29 +26 20 41.0 c A24
2013-11-12 21:08:12 C 06 23 34.99 +34 49 12.0 q A13
2013-11-12 21:35:02 C 06 23 34.48 +34 49 22.3 q A13
2013-11-24 08:49:55 C 06 14 55.08 +36 32 52.9 u H21
2013-11-24 08:53:05 C 06 14 54.93 +36 32 54.1 u H21
2013-11-24 08:56:05 C 06 14 54.80 +36 32 55.2 u H21
2013-11-24 08:59:05 C 06 14 54.67 +36 32 56.1 u H21
2013-11-24 09:02:36 C 06 14 54.49 +36 32 57.6 u H21
2013-11-25 19:31:48 C 06 13 18.44 +36 45 40.7 q D29
2013-11-25 19:54:43 C 06 13 17.16 +36 45 49.8 q D29
2013-11-25 20:17:38 C 06 13 16.04 +36 45 57.4 q D29
2013-11-26 12:34:04 C 06 12 28.551 +36 51 56.34 L F51
2013-11-26 12:52:06 C 06 12 27.601 +36 52 02.85 L F51
2013-12-01 21:30:28 C 06 05 17.78 +37 36 57.0 v 461
2013-12-01 21:33:29 C 06 05 17.58 +37 36 57.6 v 461
2013-12-01 21:42:52 C 06 05 16.99 +37 37 01.3 v 461
2013-12-01 21:45:55 C 06 05 16.80 +37 37 01.9 v 461
2013-12-01 21:55:16 C 06 05 16.19 +37 37 05.7 v 461
2013-12-01 21:58:20 C 06 05 16.02 +37 37 06.3 v 461
2013-12-07 05:27:47 C 05 56 45.67 +38 16 35.4 o 926
2013-12-07 05:53:36 C 05 56 43.74 +38 16 42.6 o 926
2013-12-07 06:25:51 C 05 56 41.36 +38 16 52.0 o 926
2013-12-07 23:41:45 C 05 55 26.47 +38 21 39.4 u J27
2013-12-08 00:15:57 C 05 55 23.95 +38 21 49.3 u J27
2013-12-08 00:25:26 C 05 55 23.22 +38 21 51.5 u J27
2013-12-14 13:23:43 C 05 43 16.144 +38 58 30.47 L F51
2013-12-14 13:38:51 C 05 43 14.885 +38 58 33.07 L F51
2013-12-25 11:37:09 C 05 21 40.821 +39 26 07.51 L F51
2013-12-25 11:54:21 C 05 21 39.380 +39 26 07.60 L F51
2013-12-26 01:40:03 C 05 20 33.60 +39 26 16.9 o 926
2013-12-26 02:02:45 C 05 20 31.69 +39 26 17.7 o 926
2013-12-26 02:25:23 C 05 20 29.87 +39 26 17.9 o 926
2013-12-29 22:24:13 C 05 13 14.07 +39 24 39.2 c A24
2013-12-29 22:25:15 C 05 13 13.99 +39 24 39.5 c A24
2013-12-29 22:26:17 C 05 13 13.89 +39 24 39.9 c A24
2013-12-29 22:27:20 C 05 13 13.85 +39 24 40.0 c A24
2013-12-31 06:33:31 C 05 10 47.90 +39 22 54.2 q H45
2013-12-31 06:36:08 C 05 10 47.67 +39 22 54.2 q H45
2013-12-31 06:38:22 C 05 10 47.49 +39 22 54.1 q H45
2013-12-31 06:40:25 C 05 10 47.32 +39 22 54.0 q H45
2013-12-31 06:42:26 C 05 10 47.18 +39 22 53.9 q H45
2013-12-31 06:44:52 C 05 10 47.00 +39 22 53.5 q H45
2014-01-16 04:30:05 C 04 48 20.63 +38 27 02.9 u H21