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
2021-11-22 05:22:36 C 23 51 37.070 -02 20 10.90 U F52
2021-11-22 05:51:38 C 23 51 37.292 -02 20 02.43 U F52
2021-12-03 03:45:51 C 23 55 56.19 -00 56 58.8 V G96
2021-12-03 03:57:55 C 23 55 56.45 -00 56 54.6 V G96
2021-12-03 04:06:06 C 23 55 56.64 -00 56 52.1 V G96
2021-12-03 04:14:15 C 23 55 56.81 -00 56 49.3 V G96
2022-12-23 12:42:22 C 14 00 12.071 -06 51 46.44 V V00
2022-12-23 12:50:29 C 14 00 13.093 -06 51 53.39 V V00
2022-12-23 12:58:25 C 14 00 14.090 -06 52 00.30 V V00
2022-12-23 13:06:22 C 14 00 15.084 -06 52 07.03 V V00
2023-02-01 13:02:45 C 16 12 32.602 -19 36 34.78 V G96
2023-02-01 13:07:33 C 16 12 33.318 -19 36 38.02 V G96
2023-02-01 13:12:21 C 16 12 34.027 -19 36 41.26 V G96
2023-02-01 13:17:10 C 16 12 34.744 -19 36 44.68 V G96
2023-03-20 09:19:55 C 19 11 05.448 -27 22 54.23 V W68
2023-03-20 09:28:17 C 19 11 06.790 -27 22 55.45 V W68
2023-03-20 09:32:49 C 19 11 07.481 -27 22 56.42 V W68
2023-03-20 09:44:12 C 19 11 09.259 -27 22 57.40 V W68
2023-04-26 02:18:41 C 21 21 11.018 -26 04 48.83 V M22
2023-04-26 02:50:56 C 21 21 15.199 -26 04 41.30 V M22
2023-04-26 02:58:47 C 21 21 16.229 -26 04 39.18 V M22
2023-04-26 03:03:00 C 21 21 16.747 -26 04 39.22 V M22
2023-05-02 02:40:53 C 21 39 37.574 -25 29 50.75 V M22
2023-05-02 02:45:29 C 21 39 38.141 -25 29 49.96 V M22
2023-05-02 02:59:56 C 21 39 39.900 -25 29 46.39 V M22
2023-05-02 03:07:54 C 21 39 40.906 -25 29 44.63 V M22
2023-05-18 08:27:52 C 22 24 26.633 -23 47 56.62 V W68
2023-05-18 08:32:36 C 22 24 27.132 -23 47 55.46 V W68
2023-05-18 08:40:42 C 22 24 27.953 -23 47 53.27 V W68
2023-05-20 02:50:11 C 22 28 51.151 -23 37 03.68 V M22
2023-05-20 02:57:35 C 22 28 51.866 -23 37 02.10 V M22
2023-05-20 03:01:38 C 22 28 52.298 -23 37 01.09 V M22
2023-05-20 03:17:17 C 22 28 53.894 -23 36 57.46 V M22
2023-05-23 15:19:46 S 22 37 21.17 -23 15 58.3 L C51
2023-05-23 18:26:47 S 22 37 39.36 -23 15 11.5 L C51
2023-05-23 21:33:39 S 22 37 57.94 -23 14 26.2 L C51
2023-05-24 00:40:41 S 22 38 16.15 -23 13 41.2 L C51
2023-05-24 03:47:43 S 22 38 34.49 -23 12 54.0 L C51
2023-05-24 13:08:27 S 22 39 29.14 -23 10 39.5 L C51
2023-05-24 14:41:58 S 22 39 38.23 -23 10 15.5 L C51
2023-05-24 16:15:29 S 22 39 47.32 -23 09 53.4 L C51
2023-05-24 17:49:00 S 22 39 56.39 -23 09 30.9 L C51
2023-05-24 20:55:51 S 22 40 14.48 -23 08 46.2 L C51
2023-05-25 00:02:53 S 22 40 32.58 -23 08 00.8 L C51
2023-05-25 01:36:24 S 22 40 41.62 -23 07 37.8 L C51
2023-05-25 03:09:44 S 22 40 50.66 -23 07 16.9 L C51
2023-05-25 03:09:55 S 22 40 50.70 -23 07 16.1 L C51
2023-05-25 15:37:31 S 22 42 02.60 -23 04 17.1 L C51
2023-05-25 15:37:41 S 22 42 02.59 -23 04 17.3 L C51
2023-05-25 18:44:33 S 22 42 20.49 -23 03 33.4 L C51