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
2021-08-06 13:35:29 C 01 21 44.87 -02 39 46.5 V T08
2021-08-06 13:49:53 C 01 21 44.92 -02 39 46.5 V T08
2021-08-06 13:54:32 C 01 21 44.96 -02 39 47.1 V T08
2021-08-08 13:02:31 C 01 22 05.65 -02 37 34.4 V T05
2021-08-08 13:07:48 C 01 22 05.67 -02 37 34.2 V T05
2021-08-08 13:15:42 C 01 22 05.69 -02 37 34.0 V T05
2021-08-08 13:30:18 C 01 22 05.72 -02 37 33.1 V T05
2021-08-10 12:29:51 C 01 22 16.51 -02 36 05.0 V T08
2021-08-10 12:35:50 C 01 22 16.53 -02 36 04.6 V T08
2021-08-10 12:43:47 C 01 22 16.49 -02 36 04.8 V T08
2021-08-10 12:52:25 C 01 22 16.49 -02 36 03.5 V T08
2021-08-12 12:47:01 C 01 22 17.16 -02 35 18.5 V T05
2021-08-12 12:52:17 C 01 22 17.14 -02 35 17.7 V T05
2021-08-12 12:56:54 C 01 22 17.12 -02 35 18.5 V T05
2021-08-12 13:15:22 C 01 22 17.03 -02 35 18.4 V T05
2021-08-14 12:51:55 C 01 22 07.25 -02 35 15.9 V T08
2021-08-14 13:01:13 C 01 22 07.11 -02 35 15.5 V T08
2021-08-14 13:10:31 C 01 22 07.12 -02 35 16.0 V T08
2021-08-14 13:34:20 C 01 22 06.91 -02 35 15.7 V T08
2021-08-16 12:15:31 C 01 21 47.09 -02 35 55.3 V T05
2021-08-16 12:20:52 C 01 21 47.01 -02 35 55.2 V T05
2021-08-16 12:27:30 C 01 21 46.92 -02 35 55.3 V T05
2021-08-16 12:53:07 C 01 21 46.67 -02 35 56.2 V T05
2021-08-18 11:59:12 C 01 21 16.10 -02 37 16.1 V T08
2021-08-18 12:03:17 C 01 21 16.09 -02 37 16.3 V T08
2021-08-18 12:06:09 C 01 21 15.98 -02 37 16.3 V T08
2021-08-18 12:10:33 C 01 21 15.96 -02 37 16.5 V T08
2021-08-22 11:44:23 C 01 19 41.28 -02 41 57.7 V T08
2021-08-22 11:47:02 C 01 19 41.14 -02 41 58.3 V T08
2021-08-22 11:51:01 C 01 19 41.14 -02 41 58.5 V T08
2021-08-22 12:04:46 C 01 19 40.83 -02 41 58.7 V T08
2021-08-28 11:52:47 C 01 15 55.39 -02 53 44.4 V T05
2021-08-28 11:57:24 C 01 15 55.25 -02 53 44.8 V T05
2021-08-28 12:04:40 C 01 15 54.98 -02 53 45.2 V T05
2021-08-28 12:19:39 C 01 15 54.47 -02 53 47.1 V T05
2021-08-30 11:59:15 C 01 14 17.80 -02 58 48.1 V T08
2021-08-30 12:02:34 C 01 14 17.67 -02 58 48.3 V T08
2021-08-30 12:07:58 C 01 14 17.47 -02 58 48.9 V T08
2021-08-30 12:15:16 C 01 14 17.19 -02 58 49.9 V T08
2021-09-01 11:58:15 C 01 12 29.653 -03 04 21.21 U F52
2021-09-01 12:14:05 C 01 12 28.992 -03 04 23.09 U F52
2021-09-01 12:29:59 C 01 12 28.324 -03 04 25.02 U F52
2021-09-02 08:08:08 C 01 11 41.18 -03 06 51.3 U I41
2021-09-02 08:24:50 C 01 11 40.47 -03 06 53.4 U I41
2021-09-02 09:04:27 C 01 11 38.75 -03 06 58.2 U I41
2021-09-02 09:23:26 C 01 11 37.93 -03 07 00.7 U I41
2021-09-03 11:35:38 C 01 10 31.91 -03 10 18.2 V T08
2021-09-03 11:38:17 C 01 10 31.80 -03 10 18.9 V T08
2021-09-03 12:11:04 C 01 10 30.30 -03 10 23.0 V T08
2021-09-03 12:17:03 C 01 10 29.99 -03 10 23.8 V T08