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
2014-01-16 04:36:00 C 04 48 20.38 +38 27 02.0 u H21
2014-01-16 04:41:53 C 04 48 20.13 +38 27 01.2 u H21
2015-08-19 09:41:52 C 04 11 45.00 +22 23 55.3 o 691
2015-08-19 10:02:09 C 04 11 46.19 +22 24 01.5 o 691
2015-08-19 10:22:28 C 04 11 47.28 +22 24 07.8 o 691
2015-09-23 12:52:05 C 04 48 05.299 +26 11 52.94 L F51
2015-09-23 13:07:52 C 04 48 05.677 +26 11 57.24 L F51
2015-09-23 13:23:40 C 04 48 06.066 +26 12 01.53 L F51
2015-11-02 10:11:26 C 04 41 12.52 +30 20 33.7 q 703
2015-11-02 10:18:44 C 04 41 12.11 +30 20 35.6 q 703
2015-11-02 10:26:00 C 04 41 11.78 +30 20 37.1 q 703
2015-11-02 10:33:19 C 04 41 11.46 +30 20 38.9 q 703
2015-11-02 11:56:21 C 04 41 07.54 +30 20 56.4 q G96
2015-11-02 12:02:15 C 04 41 07.26 +30 20 57.7 q G96
2015-11-02 12:08:10 C 04 41 06.97 +30 20 58.9 q G96
2015-11-02 12:14:04 C 04 41 06.71 +30 21 00.2 q G96
2015-11-03 19:46:46 C 04 39 38.09 +30 27 57.5 q D29
2015-11-03 20:26:29 C 04 39 36.06 +30 28 04.6 q D29
2015-11-08 08:50:43 C 04 33 54.52 +30 50 04.3 q 703
2015-11-08 08:57:12 C 04 33 54.08 +30 50 04.8 q 703
2015-11-08 09:03:42 C 04 33 53.77 +30 50 06.3 q 703
2015-11-08 09:10:14 C 04 33 53.41 +30 50 07.9 q 703
2015-11-12 08:03:01 C 04 28 11.40 +31 06 27.9 q 703
2015-11-12 08:08:03 C 04 28 11.05 +31 06 29.8 q 703
2015-11-12 08:13:07 C 04 28 10.68 +31 06 29.5 q 703
2015-11-12 08:18:13 C 04 28 10.39 +31 06 28.9 q 703
2015-11-13 09:21:16 C 04 26 33.84 +31 10 17.4 R G45
2015-11-13 09:21:22 C 04 26 33.83 +31 10 17.2 R G45
2015-11-13 09:29:37 C 04 26 33.26 +31 10 18.3 R G45
2015-11-13 09:29:43 C 04 26 33.25 +31 10 18.7 R G45
2015-11-13 09:37:57 C 04 26 32.73 +31 10 19.6 R G45
2015-11-13 09:38:03 C 04 26 32.68 +31 10 19.4 R G45
2015-11-13 09:46:03 C 04 26 32.19 +31 10 20.8 R G45
2015-11-13 09:46:48 C 04 26 32.12 +31 10 20.6 R G45
2015-11-19 08:39:40 C 04 16 43.55 +31 27 16.5 q G96
2015-11-19 08:48:27 C 04 16 42.91 +31 27 17.2 q G96
2015-11-19 08:57:15 C 04 16 42.24 +31 27 18.0 q G96
2015-11-19 09:06:03 C 04 16 41.60 +31 27 18.6 q G96
2015-11-22 09:13:45 C 04 11 25.19 +31 32 33.1 R G45
2015-11-22 09:22:11 C 04 11 24.54 +31 32 33.4 R G45
2015-11-22 09:30:55 C 04 11 23.87 +31 32 33.9 R G45
2015-11-22 09:39:10 C 04 11 23.25 +31 32 34.2 R G45
2015-11-24 05:27:10 C 04 08 07.64 +31 34 36.6 u H21
2015-11-24 05:31:55 C 04 08 07.29 +31 34 37.5 u H21
2015-11-24 05:39:32 C 04 08 06.72 +31 34 37.9 u H21
2015-11-24 05:48:33 C 04 08 06.00 +31 34 38.6 u H21
2015-11-24 05:53:21 C 04 08 05.64 +31 34 38.3 u H21
2015-11-24 22:28:26 C 04 06 50.96 +31 35 10.3 q 160
2015-11-24 22:31:25 C 04 06 50.71 +31 35 10.1 q 160
2015-11-24 22:34:24 C 04 06 50.46 +31 35 10.8 q 160