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
2025-08-09 00:06:04 C 18 30 05.930 -48 07 44.69 V W68
2025-08-09 00:09:31 C 18 30 06.019 -48 07 41.66 V W68
2025-08-10 21:10:23 C 18 32 04.526 -47 34 39.43 V M22
2025-08-10 21:20:19 C 18 32 04.910 -47 34 32.09 V M22
2025-08-10 21:30:15 C 18 32 05.316 -47 34 24.56 V M22
2025-08-30 20:08:58 C 18 59 32.198 -41 48 10.15 V M22
2025-08-30 20:12:55 C 18 59 32.486 -41 48 07.42 V M22
2025-08-30 20:20:45 C 18 59 32.950 -41 48 01.58 V M22
2025-08-30 20:34:34 C 18 59 33.878 -41 47 51.76 V M22
2025-09-02 02:16:50 C 19 03 11.592 -41 10 15.74 V W68
2025-09-02 02:21:33 C 19 03 11.916 -41 10 12.14 V W68
2025-09-02 02:29:45 C 19 03 12.346 -41 10 06.20 V W68
2025-09-02 02:51:07 C 19 03 13.733 -41 09 50.90 V W68
2025-09-10 01:38:53 C 19 16 41.863 -38 58 47.17 V W68
2025-09-10 01:44:24 C 19 16 42.252 -38 58 43.50 V W68
2025-09-10 01:53:16 C 19 16 42.842 -38 58 37.31 V W68
2025-09-10 02:07:16 C 19 16 43.819 -38 58 27.73 V W68
2025-09-14 01:41:44 C 19 23 44.710 -37 54 14.18 V W68
2025-09-14 01:45:47 C 19 23 44.964 -37 54 11.81 V W68
2025-09-14 01:55:28 C 19 23 45.624 -37 54 04.75 V W68
2025-09-14 02:09:42 C 19 23 46.769 -37 53 56.11 V W68
2025-09-18 05:34:47 C 19 31 14.013 -36 48 09.70 X F51
2025-09-18 05:44:18 C 19 31 14.702 -36 48 03.56 X F51
2025-09-18 05:53:51 C 19 31 15.397 -36 47 57.26 X F51
2025-09-18 06:03:21 C 19 31 16.080 -36 47 51.05 X F51
2025-09-19 01:19:58 C 19 32 43.572 -36 35 02.80 V W68
2025-09-19 01:24:04 C 19 32 43.915 -36 35 00.78 V W68
2025-09-19 01:32:00 C 19 32 44.426 -36 34 55.31 V W68
2025-09-19 01:47:03 C 19 32 45.566 -36 34 45.19 V W68
2025-09-25 06:31:57 C 19 44 11.251 -34 58 05.02 V T08
2025-09-25 06:39:13 C 19 44 11.791 -34 57 59.65 V T08
2025-09-25 06:49:08 C 19 44 12.504 -34 57 53.96 V T08
2025-09-25 07:04:23 C 19 44 13.685 -34 57 44.71 V T08
2025-09-25 18:55:17 C 19 45 09.029 -34 49 58.84 V M22
2025-09-25 18:59:13 C 19 45 09.305 -34 49 56.64 V M22
2025-09-25 19:07:17 C 19 45 09.931 -34 49 51.28 V M22
2025-09-25 19:20:40 C 19 45 10.886 -34 49 42.60 V M22
2025-11-08 02:01:33 C 21 08 10.882 -24 03 07.02 V G96
2025-11-08 02:09:42 C 21 08 11.533 -24 03 01.87 V G96
2025-11-08 02:17:51 C 21 08 12.181 -24 02 56.87 V G96
2025-11-08 02:25:59 C 21 08 12.822 -24 02 52.04 V G96