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
2025-06-24 02:55:19 C 18 34 18.348 -56 58 21.50 V W68
2025-06-24 03:04:40 C 18 34 17.873 -56 58 22.62 V W68
2025-06-28 07:05:09 C 18 30 09.605 -56 58 37.67 V W68
2025-06-28 07:12:31 C 18 30 09.226 -56 58 36.70 V W68
2025-06-28 07:13:16 C 18 30 09.182 -56 58 36.77 V W68
2025-06-30 05:11:20 C 18 28 21.862 -56 53 46.03 V W68
2025-06-30 05:15:16 C 18 28 21.660 -56 53 45.49 V W68
2025-06-30 05:22:40 C 18 28 21.310 -56 53 44.52 V W68
2025-06-30 06:13:32 C 18 28 18.809 -56 53 36.06 V W68
2025-07-01 22:31:53 C 18 26 49.262 -56 46 48.65 V M22
2025-07-01 22:44:22 C 18 26 48.636 -56 46 46.16 V M22
2025-07-01 23:00:10 C 18 26 47.897 -56 46 42.82 V M22
2025-07-04 04:27:29 C 18 24 56.837 -56 34 20.17 V W68
2025-07-04 04:32:12 C 18 24 56.623 -56 34 18.88 V W68
2025-07-04 04:40:15 C 18 24 56.268 -56 34 16.79 V W68
2025-07-04 04:43:00 C 18 24 56.134 -56 34 16.64 V W68
2025-07-04 05:29:48 C 18 24 54.130 -56 34 02.78 V W68
2025-07-04 05:37:07 C 18 24 53.765 -56 34 01.09 V W68
2025-07-05 09:15:09 C 18 23 59.383 -56 25 57.83 V W68
2025-07-05 09:19:57 C 18 23 59.179 -56 25 55.92 V W68
2025-07-05 10:03:44 C 18 23 57.787 -56 25 39.54 V W68
2025-07-12 04:12:06 C 18 20 05.926 -55 22 34.90 V W68
2025-07-12 04:16:47 C 18 20 05.808 -55 22 32.84 V W68
2025-07-12 04:24:10 C 18 20 05.621 -55 22 29.24 V W68
2025-07-12 04:54:40 C 18 20 04.829 -55 22 14.34 V W68
2025-07-16 04:18:22 C 18 18 55.891 -54 33 27.76 V W68
2025-07-16 04:23:06 C 18 18 55.814 -54 33 25.20 V W68
2025-07-16 04:33:57 C 18 18 55.642 -54 33 19.01 V W68
2025-07-16 04:49:19 C 18 18 55.404 -54 33 10.22 V W68
2025-07-17 03:02:27 B 18 18 47.89 -54 20 48.7 X X07
2025-07-17 03:15:17 B 18 18 47.74 -54 20 41.5 X X07
2025-07-17 03:27:52 B 18 18 47.57 -54 20 34.4 X X07
2025-07-17 03:41:07 B 18 18 47.35 -54 20 26.8 X X07
2025-07-20 03:44:10 C 18 18 40.546 -53 38 03.98 V W68
2025-07-20 03:48:55 C 18 18 40.514 -53 38 00.96 V W68
2025-07-20 03:56:18 C 18 18 40.478 -53 37 56.39 V W68
2025-07-20 04:11:00 C 18 18 40.370 -53 37 47.10 V W68
2025-07-24 03:56:18 C 18 19 19.474 -52 36 56.81 V W68
2025-07-24 04:00:56 C 18 19 19.478 -52 36 53.86 V W68
2025-07-24 04:08:56 C 18 19 19.519 -52 36 48.53 V W68
2025-07-24 04:25:30 C 18 19 19.596 -52 36 37.12 V W68
2025-07-25 23:08:43 C 18 19 54.185 -52 08 06.36 V M22
2025-07-25 23:12:47 C 18 19 54.238 -52 08 03.34 V M22
2025-07-25 23:17:25 C 18 19 54.298 -52 07 59.84 V M22
2025-07-25 23:23:25 C 18 19 54.326 -52 07 55.92 V M22
2025-07-25 23:25:28 C 18 19 54.370 -52 07 54.44 V M22
2025-07-25 23:40:40 C 18 19 54.538 -52 07 43.61 V M22
2025-08-08 23:28:43 C 18 30 04.486 -48 08 11.33 V W68
2025-08-08 23:32:41 C 18 30 04.702 -48 08 08.12 V W68
2025-08-09 00:05:25 C 18 30 05.842 -48 07 45.08 V W68