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
2019-10-19 10:46:27 C 01 44 48.32 +10 12 54.5 V T05
2019-10-20 06:55:46 C 01 43 28.40 +10 10 33.5 U I41
2019-10-20 07:03:12 C 01 43 27.90 +10 10 32.6 U I41
2019-10-20 07:20:15 C 01 43 26.69 +10 10 30.9 V G96
2019-10-20 07:28:18 C 01 43 26.14 +10 10 29.9 V G96
2019-10-20 07:36:20 C 01 43 25.60 +10 10 29.0 V G96
2019-10-20 07:44:20 C 01 43 25.05 +10 10 28.1 V G96
2019-10-22 06:53:28 C 01 40 18.42 +10 04 57.7 V 703
2019-10-22 07:01:03 C 01 40 17.91 +10 04 57.1 V 703
2019-10-22 07:08:37 C 01 40 17.35 +10 04 56.2 V 703
2019-10-22 07:16:12 C 01 40 16.86 +10 04 55.0 V 703
2019-10-22 23:42:17 C 01 39 11.96 +10 02 58.2 q 160
2019-10-22 23:44:55 C 01 39 11.82 +10 02 56.7 q 160
2019-10-22 23:47:55 C 01 39 11.62 +10 02 57.4 q 160
2019-10-23 08:47:06 C 01 38 36.65 +10 01 57.2 V T05
2019-10-23 08:55:37 C 01 38 36.05 +10 01 56.2 V T05
2019-10-23 09:04:29 C 01 38 35.48 +10 01 55.3 V T05
2019-10-23 09:19:12 C 01 38 34.47 +10 01 53.4 V T05
2019-10-25 04:40:22 C 01 35 45.50 +09 56 46.3 U I41
2019-10-25 04:45:03 C 01 35 45.20 +09 56 46.0 U I41
2019-10-25 04:49:42 C 01 35 44.90 +09 56 45.3 U I41
2019-10-25 04:53:05 C 01 35 44.67 +09 56 44.8 U I41
2019-10-25 04:55:03 C 01 35 44.54 +09 56 44.8 U I41
2019-10-25 06:01:47 C 01 35 40.10 +09 56 37.1 U I41
2019-10-25 06:04:26 C 01 35 39.91 +09 56 37.5 V 703
2019-10-25 06:06:25 C 01 35 39.80 +09 56 36.6 U I41
2019-10-25 06:09:48 C 01 35 39.57 +09 56 36.0 U I41
2019-10-25 06:11:54 C 01 35 39.41 +09 56 36.7 V 703
2019-10-25 06:13:03 C 01 35 39.35 +09 56 35.7 U I41
2019-10-25 06:19:22 C 01 35 38.91 +09 56 34.8 V 703
2019-10-25 06:20:27 C 01 35 38.86 +09 56 34.9 U I41
2019-10-25 06:23:06 C 01 35 38.68 +09 56 34.4 U I41
2019-10-25 06:25:50 C 01 35 38.50 +09 56 34.4 U I41
2019-10-25 06:26:52 C 01 35 38.39 +09 56 34.3 V 703
2019-10-25 06:29:51 C 01 35 38.24 +09 56 33.8 U I41
2019-10-25 06:36:35 C 01 35 37.78 +09 56 33.1 U I41
2019-10-25 06:39:11 C 01 35 37.61 +09 56 32.6 U I41
2019-10-25 06:43:11 C 01 35 37.36 +09 56 32.2 U I41
2019-10-25 06:48:30 C 01 35 36.99 +09 56 31.7 U I41
2019-10-25 06:55:55 C 01 35 36.49 +09 56 30.7 U I41
2019-10-25 07:25:31 C 01 35 34.53 +09 56 27.6 U I41
2019-10-25 09:43:58 C 01 35 25.66 +09 56 13.1 V T08
2019-10-25 09:49:31 C 01 35 25.29 +09 56 12.6 V T08
2019-10-25 09:57:35 C 01 35 24.74 +09 56 11.5 V T08
2019-10-25 10:21:35 C 01 35 23.12 +09 56 08.8 V T08
2019-10-25 22:00:19 C 01 34 38.35 +09 54 43.8 q 160
2019-10-25 22:03:19 C 01 34 38.19 +09 54 43.7 q 160
2019-10-25 22:06:20 C 01 34 37.99 +09 54 43.3 q 160
2019-10-26 00:45:38 C 01 34 27.50 +09 54 24.6 V 204
2019-10-26 00:53:49 C 01 34 26.96 +09 54 23.6 V 204