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
2012-01-30 04:46:49 C 07 17 31.70 +43 17 01.9 r 703
2012-01-30 04:55:43 C 07 17 31.02 +43 17 01.4 r 703
2012-01-30 05:04:42 C 07 17 30.30 +43 17 00.9 r 703
2012-01-30 05:13:48 C 07 17 29.50 +43 17 00.9 r 703
2012-02-02 01:55:37 C 07 12 24.93 +43 12 10.7 u I17
2012-02-02 02:30:09 C 07 12 22.37 +43 12 07.5 u I17
2012-02-02 02:52:08 C 07 12 20.46 +43 12 05.0 u I17
2012-02-10 00:37:02 C 07 00 40.10 +42 39 03.0 u I17
2012-02-10 01:06:54 C 07 00 38.46 +42 38 56.4 u I17
2012-02-10 01:36:59 C 07 00 36.85 +42 38 49.1 u I17
2012-02-10 17:43:09 C 06 59 47.59 +42 34 47.1 o C94
2012-02-10 18:37:05 C 06 59 44.90 +42 34 34.0 o C94
2012-02-14 00:44:53 C 06 56 17.29 +42 13 14.1 u I17
2012-02-14 01:19:42 C 06 56 15.82 +42 13 03.7 u I17
2012-02-14 01:59:51 C 06 56 14.13 +42 12 52.7 u I17
2012-02-14 21:12:15 C 06 55 29.74 +42 07 05.6 c A24
2012-02-14 21:14:19 C 06 55 29.62 +42 07 05.0 c A24
2012-02-14 21:45:18 C 06 55 28.38 +42 06 55.3 c A24
2012-02-14 22:16:46 C 06 55 27.12 +42 06 45.3 c A24
2012-02-14 22:47:45 C 06 55 25.88 +42 06 35.6 c A24
2012-02-14 22:49:49 C 06 55 25.82 +42 06 34.9 c A24
2012-02-16 20:47:51 C 06 53 52.00 +41 52 02.0 c A24
2012-02-16 20:48:53 C 06 53 52.04 +41 52 01.9 c A24
2012-02-16 20:49:56 C 06 53 52.01 +41 52 01.5 c A24
2012-02-16 20:50:58 C 06 53 51.95 +41 52 01.0 c A24
2012-02-16 21:55:54 C 06 53 49.71 +41 51 39.3 c A24
2012-02-16 21:56:57 C 06 53 49.70 +41 51 39.5 c A24
2012-02-16 21:58:00 C 06 53 49.60 +41 51 39.6 c A24
2012-02-16 21:59:02 C 06 53 49.63 +41 51 39.0 c A24
2012-02-17 20:51:32 C 06 53 09.09 +41 44 02.7 c A24
2012-02-17 20:53:37 C 06 53 09.01 +41 44 02.0 c A24
2012-02-17 21:17:18 C 06 53 08.27 +41 43 54.0 c A24
2012-02-17 21:41:30 C 06 53 07.52 +41 43 45.8 c A24
2012-02-17 22:05:13 C 06 53 06.79 +41 43 37.8 c A24
2012-02-21 19:07:25 C 06 51 03.38 +41 10 34.8 c A24
2012-02-21 19:09:28 C 06 51 03.33 +41 10 34.1 c A24
2012-02-21 19:31:43 C 06 51 02.88 +41 10 25.9 c A24
2012-02-21 19:54:29 C 06 51 02.42 +41 10 17.7 c A24
2012-02-21 20:16:43 C 06 51 01.95 +41 10 09.4 c A24
2012-02-21 20:18:48 C 06 51 02.02 +41 10 08.4 c A24
2012-02-21 21:00:05 C 06 51 01.12 +41 09 52.9 t 130
2012-02-21 21:02:58 C 06 51 01.17 +41 09 51.2 t 130
2012-02-21 21:05:52 C 06 51 01.06 +41 09 49.8 t 130
2012-02-21 21:08:46 C 06 51 01.02 +41 09 48.8 t 130
2012-02-22 18:54:07 C 06 50 42.17 +41 01 40.1 c A24
2012-02-22 18:55:09 C 06 50 42.13 +41 01 38.9 c A24
2012-02-22 18:56:12 C 06 50 42.10 +41 01 38.4 c A24
2012-02-22 18:57:15 C 06 50 42.11 +41 01 38.1 c A24
2012-02-24 19:14:32 C 06 50 11.98 +40 43 01.2 c A24
2012-02-24 19:15:34 C 06 50 11.97 +40 43 00.9 c A24