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
2021-10-03 12:13:57 s 1 +114929.43 4 +316791.99 1960.0 C57
2021-10-03 14:55:33 C 00 27 02.693 -04 45 43.49 V P07
2021-10-03 15:55:07 C 00 26 58.678 -04 45 48.13 V P07
2021-10-03 16:24:22 C 00 26 56.69 -04 45 59.2 V D29
2021-10-03 16:44:43 C 00 26 55.32 -04 46 00.7 V D29
2021-10-03 16:57:29 C 00 26 54.511 -04 45 52.92 V P07
2021-10-03 16:59:10 C 00 26 54.370 -04 45 53.14 V P07
2021-10-03 17:05:06 C 00 26 53.97 -04 46 02.3 V D29
2021-10-03 18:00:59 C 00 26 50.227 -04 45 57.60 V P07
2021-10-06 08:14:43 C 00 22 52.703 -04 50 08.98 U F51
2021-10-06 08:29:34 C 00 22 51.738 -04 50 09.83 U F51
2021-10-06 08:59:17 C 00 22 49.800 -04 50 11.53 U F51
2021-10-07 05:59:04 C 00 21 31.24 -04 51 18.9 V 703
2021-10-07 06:06:49 C 00 21 30.73 -04 51 18.6 V 703
2021-10-07 06:14:33 C 00 21 30.29 -04 51 18.9 V 703
2021-10-07 06:22:17 C 00 21 29.77 -04 51 19.3 V 703
2021-10-07 09:04:21 C 00 21 19.80 -04 51 25.9 V T05
2021-10-07 09:07:01 C 00 21 19.62 -04 51 25.9 V T05
2021-10-07 09:25:00 C 00 21 18.48 -04 51 26.8 V T05
2021-10-07 09:32:57 C 00 21 17.94 -04 51 27.2 V T05
2021-10-09 07:38:35 C 00 18 30.01 -04 53 15.3 V T08
2021-10-09 07:42:38 C 00 18 29.73 -04 53 15.5 V T08
2021-10-09 07:51:58 C 00 18 29.16 -04 53 16.2 V T08
2021-10-09 08:42:57 C 00 18 26.00 -04 53 18.0 V T08
2021-10-10 05:54:55 C 00 17 10.59 -04 53 53.9 V 703
2021-10-10 06:02:26 C 00 17 10.02 -04 53 53.9 V 703
2021-10-10 06:09:57 C 00 17 09.59 -04 53 54.6 V 703
2021-10-10 06:17:29 C 00 17 09.15 -04 53 54.1 V 703
2021-10-11 05:29:58 C 00 15 48.26 -04 54 21.4 V G96
2021-10-11 05:37:26 C 00 15 47.82 -04 54 21.7 V G96
2021-10-11 05:44:52 C 00 15 47.37 -04 54 21.7 V G96
2021-10-11 05:52:20 C 00 15 46.92 -04 54 21.9 V G96
2021-10-11 09:38:19 C 00 15 33.82 -04 54 23.1 V T05
2021-10-11 09:43:00 C 00 15 33.56 -04 54 23.8 V T05
2021-10-11 09:50:23 C 00 15 33.10 -04 54 23.5 V T05
2021-10-11 10:05:03 C 00 15 32.22 -04 54 23.7 V T05
2021-10-11 22:52:24 C 00 14 48.53 -04 54 35.6 V A16
2021-10-11 23:13:11 C 00 14 47.30 -04 54 36.3 V A16
2021-10-11 23:33:57 C 00 14 46.17 -04 54 36.4 V A16
2021-10-13 07:54:52 C 00 12 58.19 -04 54 38.1 V T08
2021-10-13 07:59:32 C 00 12 57.96 -04 54 38.4 V T08
2021-10-13 08:03:31 C 00 12 57.69 -04 54 38.7 V T08
2021-10-13 08:12:10 C 00 12 57.22 -04 54 38.0 V T08
2021-10-13 12:11:48 C 00 12 44.316 -04 54 30.56 V P07
2021-10-13 12:13:25 C 00 12 44.230 -04 54 30.46 V P07
2021-10-13 13:28:25 C 00 12 40.008 -04 54 29.63 V P07
2021-10-13 14:30:57 C 00 12 36.439 -04 54 29.92 V P07
2021-10-13 14:37:15 C 00 12 36.089 -04 54 29.84 V P07
2021-10-13 16:35:59 C 00 12 29.345 -04 54 28.76 V P07
2021-10-14 03:38:43 C 00 11 54.01 -04 54 31.5 V 703