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
2019-10-26 01:01:59 C 01 34 26.43 +09 54 22.7 V 204
2019-10-26 06:22:33 C 01 34 06.14 +09 53 47.1 V G96
2019-10-26 06:32:28 C 01 34 05.52 +09 53 46.1 V G96
2019-10-26 06:42:29 C 01 34 04.86 +09 53 45.1 V G96
2019-10-26 06:50:37 C 01 34 04.32 +09 53 44.0 V G96
2019-10-26 22:43:01 C 01 33 03.64 +09 51 52.8 q 160
2019-10-26 22:45:26 C 01 33 03.51 +09 51 52.1 q 160
2019-10-26 22:47:50 C 01 33 03.33 +09 51 52.3 q 160
2019-10-26 23:19:06 C 01 33 01.36 +09 51 48.0 V A16
2019-10-26 23:30:32 C 01 33 00.55 +09 51 46.7 V A16
2019-10-26 23:41:54 C 01 32 59.86 +09 51 45.4 V A16
2019-10-26 23:53:19 C 01 32 59.12 +09 51 43.9 V A16
2019-10-27 09:22:31 C 01 32 23.20 +09 50 42.1 V T05
2019-10-27 09:27:31 C 01 32 22.90 +09 50 41.6 V T05
2019-10-27 09:42:10 C 01 32 21.92 +09 50 40.3 V T05
2019-10-27 09:49:43 C 01 32 21.41 +09 50 38.6 V T05
2019-10-27 10:43:27 C 01 32 17.906 +09 50 32.97 U F51
2019-10-27 11:01:43 C 01 32 16.714 +09 50 30.84 U F51
2019-10-27 11:20:07 C 01 32 15.517 +09 50 28.69 U F51
2019-10-27 11:38:23 C 01 32 14.323 +09 50 26.55 U F51
2019-10-28 06:32:17 C 01 31 03.41 +09 48 16.1 V 703
2019-10-28 06:39:49 C 01 31 02.94 +09 48 15.1 V 703
2019-10-28 06:47:22 C 01 31 02.42 +09 48 14.0 V 703
2019-10-28 06:54:54 C 01 31 01.91 +09 48 13.1 V 703
2019-10-28 09:32:29 C 01 30 52.14 +09 47 56.5 V T08
2019-10-28 09:36:51 C 01 30 51.68 +09 47 59.0 V T08
2019-10-28 09:45:48 C 01 30 51.24 +09 47 55.0 V T08
2019-10-28 10:01:04 C 01 30 50.31 +09 47 53.7 V T08
2019-10-29 11:00:49 C 01 29 17.27 +09 45 06.6 V T08
2019-10-29 11:08:19 C 01 29 16.78 +09 45 06.9 V T08
2019-10-29 11:20:07 C 01 29 16.06 +09 45 04.6 V T08
2019-10-29 11:26:13 C 01 29 15.70 +09 45 04.2 V T08
2019-10-31 05:42:06 C 01 26 42.31 +09 40 25.5 V 703
2019-10-31 05:58:26 C 01 26 41.40 +09 40 24.8 V 703
2019-10-31 06:06:37 C 01 26 40.82 +09 40 23.3 V 703
2019-10-31 09:22:34 C 01 26 29.14 +09 40 05.3 V T05
2019-10-31 09:30:28 C 01 26 28.65 +09 40 03.6 V T05
2019-10-31 09:51:23 C 01 26 27.33 +09 40 01.8 V T05
2019-10-31 09:59:09 C 01 26 26.87 +09 40 01.2 V T05
2019-11-02 11:21:16 C 01 23 33.94 +09 35 05.0 q E89
2019-11-02 11:46:41 C 01 23 32.43 +09 35 02.1 q E89
2019-11-02 12:12:01 C 01 23 30.88 +09 34 59.5 q E89
2019-11-03 08:24:07 C 01 22 22.46 +09 32 54.0 V T05
2019-11-03 08:29:30 C 01 22 22.18 +09 32 53.4 V T05
2019-11-03 08:39:18 C 01 22 21.60 +09 32 52.5 V T05
2019-11-03 08:52:11 C 01 22 20.85 +09 32 51.4 V T05
2019-11-03 22:44:37 C 01 21 34.43 +09 31 30.9 18.9 q J43
2019-11-03 22:56:49 C 01 21 33.75 +09 31 29.8 18.7 q J43
2019-11-03 23:09:01 C 01 21 33.04 +09 31 28.7 18.6 q J43
2019-11-03 23:21:13 C 01 21 32.36 +09 31 27.7 18.8 q J43