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
2023-10-10 21:47:18 C 22 21 12.871 -20 53 17.81 V M22
2023-10-11 03:28:06 C 22 21 10.858 -20 50 53.66 V 703
2023-10-11 03:44:09 C 22 21 10.717 -20 50 46.14 V 703
2023-10-11 03:52:11 C 22 21 10.624 -20 50 43.12 V 703
2023-10-12 07:15:54 C 22 21 00.895 -20 38 17.67 X F51
2023-10-12 07:32:34 C 22 21 00.772 -20 38 10.10 X F51
2023-10-12 07:49:14 C 22 21 00.648 -20 38 02.51 X F51
2023-10-12 08:05:54 C 22 21 00.527 -20 37 54.88 X F51
2023-10-13 03:30:11 C 22 20 56.029 -20 29 04.24 V 703
2023-10-13 03:37:54 C 22 20 56.036 -20 29 00.49 V 703
2023-10-13 03:45:36 C 22 20 55.921 -20 28 57.72 V 703
2023-10-13 03:53:19 C 22 20 55.849 -20 28 54.01 V 703
2023-10-15 02:45:42 C 22 20 51.079 -20 07 07.25 V W68
2023-10-15 02:54:05 C 22 20 51.034 -20 07 02.28 V W68
2023-10-15 03:22:24 C 22 20 50.942 -20 06 49.43 V W68
2023-10-15 03:30:23 C 22 20 51.342 -20 06 54.32 V 703
2023-10-15 03:33:17 C 22 20 51.005 -20 06 43.92 V W68
2023-10-15 03:38:02 C 22 20 51.284 -20 06 50.51 V 703
2023-10-15 03:45:41 C 22 20 51.299 -20 06 47.23 V 703
2023-10-15 03:53:20 C 22 20 51.328 -20 06 43.49 V 703
2023-10-16 20:54:42 C 22 20 54.914 -19 47 22.52 V M22
2023-10-16 20:59:19 C 22 20 54.965 -19 47 21.23 V M22
2023-10-16 21:08:44 C 22 20 54.965 -19 47 16.40 V M22
2023-10-16 21:44:54 C 22 20 55.001 -19 46 59.52 V M22
2023-10-18 05:32:01 C 22 21 03.427 -19 32 05.19 X F51
2023-10-18 05:47:43 C 22 21 03.473 -19 31 57.79 X F51
2023-10-18 06:03:27 C 22 21 03.520 -19 31 50.35 X F51
2023-10-18 06:19:10 C 22 21 03.569 -19 31 42.93 X F51
2023-10-18 19:45:49 C 22 21 08.045 -19 25 11.68 V M22
2023-10-18 19:50:27 C 22 21 08.002 -19 25 10.34 V M22
2023-10-18 19:59:03 C 22 21 08.033 -19 25 05.27 V M22
2023-10-18 20:14:22 C 22 21 08.066 -19 24 58.14 V M22
2023-10-20 03:21:02 C 22 21 21.924 -19 10 14.41 V 703
2023-10-20 03:28:40 C 22 21 21.852 -19 10 10.81 V 703
2023-10-20 03:36:17 C 22 21 21.953 -19 10 07.68 V 703
2023-10-20 03:43:55 C 22 21 21.978 -19 10 02.75 V 703
2023-11-04 05:19:28 C 22 28 07.466 -16 11 26.33 X F52
2023-11-04 05:36:20 C 22 28 07.905 -16 11 17.81 X F52
2023-11-04 06:09:57 C 22 28 08.782 -16 11 00.94 X F52
2023-11-06 02:55:55 C 22 29 26.596 -15 48 23.62 V 703
2023-11-06 03:03:54 C 22 29 26.848 -15 48 18.04 V 703
2023-11-06 03:19:50 C 22 29 27.197 -15 48 10.66 V 703
2023-11-10 03:53:18 C 22 32 32.492 -14 58 59.52 V G96
2023-11-10 04:00:48 C 22 32 32.716 -14 58 55.85 V G96
2023-11-10 04:08:17 C 22 32 32.964 -14 58 51.85 V G96
2023-11-10 04:15:47 C 22 32 33.212 -14 58 47.96 V G96
2023-12-08 01:49:25 C 23 02 24.652 -09 07 53.00 V G96
2023-12-08 01:57:35 C 23 02 25.076 -09 07 48.58 V G96
2023-12-08 02:05:47 C 23 02 25.487 -09 07 44.00 V G96
2023-12-08 02:13:57 C 23 02 25.919 -09 07 39.79 V G96