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
2023-05-25 21:51:34 S 22 42 38.34 -23 02 48.4 L C51
2023-05-29 02:49:06 C 22 49 50.095 -22 44 57.55 V M22
2023-05-29 02:53:06 C 22 49 50.431 -22 44 56.22 V M22
2023-05-29 03:00:25 C 22 49 51.137 -22 44 55.32 V M22
2023-05-29 03:14:15 C 22 49 52.301 -22 44 51.86 V M22
2023-06-14 08:50:22 C 23 21 03.972 -21 34 23.63 V W68
2023-06-14 08:54:55 C 23 21 04.289 -21 34 22.94 V W68
2023-06-14 08:58:49 C 23 21 04.531 -21 34 22.37 V W68
2023-06-14 09:13:35 C 23 21 05.489 -21 34 20.64 V W68
2023-06-15 07:45:19 C 23 22 36.948 -21 31 33.28 V W68
2023-06-15 08:07:44 C 23 22 38.417 -21 31 29.68 V W68
2023-06-15 08:12:26 C 23 22 38.722 -21 31 29.39 V W68
2023-06-15 08:21:31 C 23 22 39.298 -21 31 28.02 V W68
2023-06-17 08:02:03 C 23 25 45.742 -21 26 08.16 V W68
2023-06-17 08:15:38 C 23 25 46.584 -21 26 06.65 V W68
2023-06-17 08:21:08 C 23 25 46.884 -21 26 06.11 V W68
2023-06-17 08:38:55 C 23 25 47.981 -21 26 04.24 V W68
2023-06-21 02:47:53 C 23 31 15.038 -21 18 07.20 V M22
2023-06-21 02:51:47 C 23 31 15.250 -21 18 07.27 V M22
2023-06-21 02:59:36 C 23 31 15.682 -21 18 06.91 V M22
2023-06-21 03:11:25 C 23 31 16.308 -21 18 05.83 V M22
2023-07-01 00:54:24 C 23 42 51.398 -21 11 28.07 V M22
2023-07-01 01:01:47 C 23 42 51.672 -21 11 28.93 V M22
2023-07-01 01:05:46 C 23 42 51.792 -21 11 29.22 V M22
2023-07-01 01:24:38 C 23 42 52.514 -21 11 29.40 V M22
2023-07-02 06:36:15 C 23 44 00.206 -21 12 11.12 V W68
2023-07-02 06:40:51 C 23 44 00.319 -21 12 11.52 V W68
2023-07-02 06:56:17 C 23 44 00.857 -21 12 11.27 V W68
2023-07-02 07:04:39 C 23 44 01.222 -21 12 12.02 V W68
2023-07-03 00:50:52 C 23 44 40.267 -21 12 45.90 V M22
2023-07-03 00:54:50 C 23 44 40.354 -21 12 46.12 V M22
2023-07-03 01:03:43 C 23 44 40.663 -21 12 47.12 V M22
2023-07-03 01:25:01 C 23 44 41.446 -21 12 48.28 V M22
2023-07-13 01:26:05 C 23 50 52.073 -21 33 08.96 V M22
2023-07-13 01:34:05 C 23 50 52.174 -21 33 09.97 V M22
2023-07-13 01:46:17 C 23 50 52.303 -21 33 11.92 V M22
2023-07-14 06:56:20 C 23 51 16.387 -21 37 13.98 V W68
2023-07-14 07:00:54 C 23 51 16.447 -21 37 14.81 V W68
2023-07-14 07:01:33 C 23 51 16.471 -21 37 14.88 V W68
2023-07-14 07:08:45 C 23 51 16.517 -21 37 15.85 V W68
2023-07-16 01:20:30 C 23 51 42.461 -21 43 40.58 V M22
2023-07-16 01:58:29 C 23 51 42.650 -21 43 47.14 V M22
2023-07-16 02:02:38 C 23 51 42.672 -21 43 47.96 V M22
2023-07-16 02:31:07 C 23 51 42.823 -21 43 52.14 V M22
2023-07-22 01:07:36 C 23 51 52.987 -22 10 15.53 V M22
2023-07-22 01:10:53 C 23 51 52.954 -22 10 15.92 V M22
2023-07-22 01:43:58 C 23 51 52.639 -22 10 23.09 V M22
2023-07-22 01:48:21 C 23 51 52.613 -22 10 24.31 V M22
2023-07-22 13:34:01 C 23 51 47.981 -22 13 02.85 X F51
2023-07-22 13:50:56 C 23 51 47.801 -22 13 06.46 X F51