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
2025-03-29 01:04:39 C 16 40 16.450 -21 13 30.68 V M22
2025-03-29 01:12:10 C 16 40 17.256 -21 13 38.96 V M22
2025-03-29 01:14:49 C 16 40 17.537 -21 13 41.95 V M22
2025-03-29 01:46:59 C 16 40 20.981 -21 14 17.20 V M22
2025-03-30 01:25:43 C 16 42 59.513 -21 40 12.36 V M22
2025-03-30 01:39:50 C 16 43 01.010 -21 40 28.02 V M22
2025-03-30 01:48:19 C 16 43 01.918 -21 40 37.49 V M22
2025-03-31 07:07:36 C 16 46 18.343 -22 13 06.49 V W68
2025-03-31 07:10:59 C 16 46 18.698 -22 13 10.31 V W68
2025-03-31 07:15:00 C 16 46 19.126 -22 13 14.74 V W68
2025-03-31 07:36:55 C 16 46 21.461 -22 13 39.43 V W68
2025-04-01 07:05:38 C 16 48 58.481 -22 39 56.23 V W68
2025-04-01 07:08:16 C 16 48 58.738 -22 39 59.36 V W68
2025-04-01 07:12:11 C 16 48 59.170 -22 40 03.54 V W68
2025-04-01 07:22:30 C 16 49 00.252 -22 40 15.38 V W68
2025-04-04 07:24:44 C 16 56 59.959 -24 02 24.79 V W68
2025-04-04 07:28:41 C 16 57 00.367 -24 02 29.47 V W68
2025-04-04 07:36:04 C 16 57 01.152 -24 02 38.04 V W68
2025-04-05 07:05:37 C 16 59 37.193 -24 29 54.20 V W68
2025-04-05 07:10:15 C 16 59 37.685 -24 29 59.57 V W68
2025-04-05 07:16:09 C 16 59 38.292 -24 30 06.77 V W68
2025-04-05 07:23:59 C 16 59 39.127 -24 30 15.84 V W68
2025-04-08 07:09:37 C 17 07 33.326 -25 55 01.42 V W68
2025-04-08 07:12:13 C 17 07 33.590 -25 55 04.69 V W68
2025-04-08 07:16:18 C 17 07 33.996 -25 55 09.55 V W68
2025-04-08 07:23:39 C 17 07 34.766 -25 55 18.62 V W68
2025-04-12 06:53:01 C 17 17 59.779 -27 51 17.68 V W68
2025-04-12 07:00:16 C 17 18 00.526 -27 51 26.71 V W68
2025-04-12 07:09:40 C 17 18 01.486 -27 51 38.45 V W68
2025-04-13 06:13:57 C 17 20 31.469 -28 20 09.92 V W68
2025-04-13 06:17:14 C 17 20 31.798 -28 20 14.10 V W68
2025-04-13 06:21:52 C 17 20 32.268 -28 20 19.90 V W68
2025-04-13 06:29:12 C 17 20 33.024 -28 20 29.04 V W68
2025-04-21 05:55:19 C 17 40 46.025 -32 23 54.56 V W68
2025-04-21 06:04:11 C 17 40 46.884 -32 24 06.30 V W68
2025-04-21 06:54:33 C 17 40 51.749 -32 25 13.04 V W68
2025-04-24 06:41:32 C 17 48 08.122 -33 58 56.42 V W68
2025-04-24 06:46:26 C 17 48 08.570 -33 59 02.90 V W68
2025-04-24 06:52:39 C 17 48 09.149 -33 59 11.15 V W68
2025-04-28 06:30:51 C 17 57 28.862 -36 05 18.60 V W68
2025-04-28 06:33:26 C 17 57 29.088 -36 05 22.02 V W68
2025-04-28 06:38:02 C 17 57 29.489 -36 05 28.21 V W68
2025-05-05 08:59:22 C 18 12 47.870 -39 50 54.10 V W68
2025-05-05 09:03:31 C 18 12 48.190 -39 50 59.57 V W68
2025-05-05 09:11:02 C 18 12 48.749 -39 51 09.18 V W68
2025-05-05 09:27:06 C 18 12 49.975 -39 51 30.17 V W68
2025-05-06 23:56:52 C 18 16 03.209 -40 42 01.84 V M22
2025-05-07 00:00:58 C 18 16 03.506 -40 42 07.42 V M22
2025-05-07 00:02:16 C 18 16 03.607 -40 42 09.25 V M22
2025-05-07 00:07:12 C 18 16 03.962 -40 42 15.77 V M22