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
2017-08-22 18:44:53 C 03 25 55.92 +17 40 34.2 q D29
2017-08-22 19:06:30 C 03 25 56.58 +17 40 39.6 q D29
2017-08-22 19:07:47 C 03 25 56.64 +17 40 39.9 q D29
2017-10-13 10:02:17 C 03 25 56.58 +21 45 21.9 U 703
2017-10-13 10:11:15 C 03 25 56.07 +21 45 22.2 U 703
2017-10-13 10:20:13 C 03 25 55.80 +21 45 23.8 U 703
2017-10-13 10:27:21 C 03 25 55.44 +21 45 24.7 U 703
2017-10-19 03:39:44 C 03 19 12.36 +21 56 26.8 c J04
2017-10-19 03:56:33 C 03 19 11.43 +21 56 27.9 c J04
2017-10-19 04:13:23 C 03 19 10.48 +21 56 28.9 c J04
2017-10-19 04:30:13 C 03 19 09.54 +21 56 29.8 c J04
2017-10-19 11:30:42 C 03 18 47.11 +21 56 56.5 T08
2017-10-19 11:44:48 C 03 18 46.38 +21 56 56.7 T08
2017-10-19 11:48:09 C 03 18 46.21 +21 56 57.6 T08
2017-10-19 12:08:09 C 03 18 45.05 +21 56 58.3 T08
2017-10-19 12:10:09 C 03 18 44.94 +21 56 58.6 T08
2017-10-19 12:17:01 C 03 18 44.59 +21 56 59.3 T08
2017-10-19 12:19:01 C 03 18 44.42 +21 56 59.3 T08
2017-10-20 09:11:39 C 03 17 35.78 +21 58 07.6 U G96
2017-10-20 09:22:01 C 03 17 35.13 +21 58 09.7 U G96
2017-10-20 09:32:23 C 03 17 34.58 +21 58 08.8 U G96
2017-10-20 09:42:48 C 03 17 33.99 +21 58 09.3 U G96
2017-10-21 08:02:11 C 03 16 18.94 +21 59 15.8 U G96
2017-10-21 08:02:52 C 03 16 18.89 +21 59 16.0 U G96
2017-10-21 08:09:38 C 03 16 18.51 +21 59 16.0 U G96
2017-10-21 08:10:23 C 03 16 18.47 +21 59 16.1 U G96
2017-10-21 08:17:07 C 03 16 18.07 +21 59 16.5 U G96
2017-10-21 08:17:49 C 03 16 18.02 +21 59 16.5 U G96
2017-10-21 08:24:34 C 03 16 17.63 +21 59 16.9 U G96
2017-10-21 08:25:16 C 03 16 17.58 +21 59 16.9 U G96
2017-10-21 09:46:05 C 03 16 12.84 +21 59 20.7 U 703
2017-10-21 10:01:54 C 03 16 11.82 +21 59 20.0 U 703
2017-10-21 10:09:47 C 03 16 11.42 +21 59 21.0 U 703
2017-10-27 07:57:13 C 03 07 34.92 +22 02 49.6 U 703
2017-10-27 08:04:56 C 03 07 34.40 +22 02 48.9 U 703
2017-10-27 08:12:37 C 03 07 33.89 +22 02 49.5 U 703
2017-10-27 08:20:19 C 03 07 33.38 +22 02 48.8 U 703
2017-10-29 16:26:00 C 03 03 54.13 +22 02 29.1 q D29
2017-10-29 16:38:44 C 03 03 53.24 +22 02 28.8 q D29
2017-10-29 16:51:28 C 03 03 52.41 +22 02 29.0 q D29
2017-10-30 06:28:58 C 03 02 58.28 +22 02 15.4 U 703
2017-10-30 06:38:05 C 03 02 57.69 +22 02 15.0 U 703
2017-10-30 06:53:47 C 03 02 56.73 +22 02 15.4 U 703
2017-10-30 16:34:53 C 03 02 17.75 +22 02 03.0 q D29
2017-10-30 16:47:37 C 03 02 16.84 +22 02 02.5 q D29
2017-10-31 16:15:57 C 03 00 42.19 +22 01 27.0 q D29
2017-10-31 16:41:24 C 03 00 40.51 +22 01 26.3 q D29
2017-11-01 22:03:17 C 02 58 41.12 +22 00 25.8 q 160
2017-11-01 22:06:22 C 02 58 40.91 +22 00 25.8 q 160
2017-11-01 22:09:24 C 02 58 40.69 +22 00 25.7 q 160