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
2010-06-28 19:02:09 S 12 25 00.701 -14 28 43.50 L C51
2010-06-28 20:37:30 S 12 25 11.755 -14 30 29.81 L C51
2010-06-28 22:12:40 S 12 25 22.786 -14 32 15.43 L C51
2010-06-28 23:48:01 S 12 25 33.85 -14 34 01.7 L C51
2010-06-29 01:23:11 S 12 25 44.90 -14 35 47.4 L C51
2010-06-29 02:58:32 S 12 25 55.96 -14 37 33.5 L C51
2010-06-29 04:33:42 S 12 26 07.03 -14 39 19.2 L C51
2010-06-29 06:08:52 S 12 26 18.07 -14 41 05.0 L C51
2010-06-29 06:09:03 S 12 26 18.10 -14 41 05.2 L C51
2010-06-29 07:44:13 S 12 26 29.19 -14 42 50.6 L C51
2010-06-29 09:19:23 S 12 26 40.25 -14 44 36.2 L C51
2010-06-29 10:54:44 S 12 26 51.34 -14 46 22.3 L C51
2010-06-29 12:29:54 S 12 27 02.43 -14 48 07.5 L C51
2010-06-29 14:05:15 S 12 27 13.53 -14 49 53.2 L C51
2010-06-29 15:40:25 S 12 27 24.62 -14 51 38.7 L C51
2010-06-29 17:15:46 S 12 27 35.75 -14 53 24.6 L C51
2010-06-29 18:50:56 S 12 27 46.886 -14 55 09.34 L C51
2010-06-29 20:26:06 S 12 27 57.926 -14 56 55.21 L C51
2010-06-29 20:26:17 S 12 27 58.008 -14 56 55.10 L C51
2010-06-29 22:01:27 S 12 28 09.106 -14 58 41.30 L C51
2010-06-29 23:36:37 S 12 28 20.26 -15 00 25.2 L C51
2010-06-30 01:11:58 S 12 28 31.40 -15 02 10.5 L C51
2010-06-30 02:47:08 S 12 28 42.53 -15 03 55.7 L C51
2010-06-30 05:57:39 S 12 29 04.84 -15 07 26.0 L C51
2010-06-30 09:08:10 S 12 29 27.17 -15 10 56.1 L C51
2010-06-30 12:18:41 S 12 29 49.55 -15 14 25.9 L C51
2010-06-30 15:29:12 S 12 30 11.90 -15 17 55.6 L C51
2010-06-30 18:39:44 S 12 30 34.306 -15 21 24.98 L C51
2010-06-30 21:50:15 S 12 30 56.748 -15 24 54.11 L C51
2010-07-01 01:00:46 S 12 31 19.17 -15 28 23.1 L C51
2010-07-01 04:11:17 S 12 31 41.64 -15 31 51.7 L C51
2010-07-01 07:21:37 S 12 32 04.11 -15 35 20.0 L C51
2010-07-01 07:21:48 S 12 32 04.13 -15 35 20.6 L C51
2010-07-01 10:32:08 S 12 32 26.59 -15 38 48.6 L C51
2010-07-01 13:42:39 S 12 32 49.14 -15 42 16.8 L C51
2010-07-01 16:53:10 S 12 33 11.68 -15 45 44.8 L C51
2010-07-01 20:03:41 S 12 33 34.294 -15 49 12.79 L C51
2010-07-01 23:14:12 S 12 33 56.85 -15 52 40.0 L C51
2010-07-02 02:24:43 S 12 34 19.48 -15 56 07.6 L C51
2010-07-02 05:35:14 S 12 34 42.14 -15 59 35.0 L C51
2010-08-06 10:01:41 C 14 27 21.65 -28 38 07.7 r E12
2011-10-27 10:41:18 C 07 53 09.85 +30 53 52.5 r 703
2011-10-27 10:51:10 C 07 53 10.53 +30 53 53.1 r 703
2011-10-27 11:01:05 C 07 53 11.04 +30 53 53.2 r 703
2011-10-27 11:11:05 C 07 53 11.65 +30 53 55.9 r 703
2011-11-23 09:05:44 C 08 22 11.56 +33 13 46.0 r 703
2011-11-23 09:19:09 C 08 22 11.89 +33 13 51.4 r 703
2011-11-23 09:32:30 C 08 22 12.25 +33 13 55.0 r 703
2011-11-23 09:45:43 C 08 22 12.50 +33 13 59.1 r 703
2011-11-30 15:17:37 C 08 26 03.469 +34 13 25.95 L F51