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
2012-02-24 19:16:35 C 06 50 11.91 +40 43 00.5 c A24
2012-02-24 19:17:37 C 06 50 11.98 +40 43 00.4 c A24
2012-02-24 20:23:48 C 06 50 11.35 +40 42 34.4 c A24
2012-02-24 20:24:50 C 06 50 11.28 +40 42 33.6 c A24
2012-02-24 20:25:53 C 06 50 11.28 +40 42 33.6 c A24
2012-02-24 20:26:55 C 06 50 11.28 +40 42 33.2 c A24
2012-02-25 19:06:15 C 06 50 03.45 +40 33 36.0 c A24
2012-02-25 19:07:18 C 06 50 03.47 +40 33 35.4 c A24
2012-02-25 19:09:23 C 06 50 03.46 +40 33 34.8 c A24
2012-02-25 20:13:39 C 06 50 03.04 +40 33 08.5 c A24
2012-02-25 20:14:42 C 06 50 03.00 +40 33 08.9 c A24
2012-02-25 20:15:44 C 06 50 02.99 +40 33 08.5 c A24
2012-02-25 20:16:47 C 06 50 02.97 +40 33 07.9 c A24
2012-02-26 05:30:23 C 06 50 00.65 +40 29 28.4 19.3 c 704
2012-02-26 05:47:29 C 06 50 00.50 +40 29 21.5 18.4 c 704
2012-02-26 06:04:35 C 06 50 00.35 +40 29 14.4 18.4 c 704
2012-02-26 06:21:50 C 06 50 00.28 +40 29 07.5 18.3 c 704
2012-03-13 20:57:32 C 06 57 29.20 +37 36 28.1 c A24
2012-03-13 20:59:36 C 06 57 29.30 +37 36 27.4 c A24
2012-03-13 21:21:10 C 06 57 30.08 +37 36 17.1 c A24
2012-03-13 21:43:13 C 06 57 30.85 +37 36 06.4 c A24
2012-03-13 22:04:46 C 06 57 31.67 +37 35 56.5 c A24
2012-03-13 22:06:50 C 06 57 31.73 +37 35 56.0 c A24
2012-03-14 19:24:32 C 06 58 22.53 +37 26 10.7 c A24
2012-03-14 19:25:34 C 06 58 22.56 +37 26 10.2 c A24
2012-03-14 19:26:36 C 06 58 22.60 +37 26 09.6 c A24
2012-03-14 19:27:39 C 06 58 22.64 +37 26 09.1 c A24
2012-03-14 19:49:03 C 06 58 23.46 +37 25 59.1 c A24
2012-03-14 20:11:28 C 06 58 24.28 +37 25 48.9 c A24
2012-03-14 20:33:23 C 06 58 25.14 +37 25 38.4 c A24
2012-03-14 20:35:27 C 06 58 25.19 +37 25 38.2 c A24
2012-03-15 22:22:14 C 06 59 29.43 +37 13 42.6 c A24
2012-03-15 22:24:18 C 06 59 29.50 +37 13 41.6 c A24
2012-03-18 18:00:25 C 07 02 34.36 +36 42 10.8 u C73
2012-03-18 18:07:56 C 07 02 34.69 +36 42 06.8 u C73
2012-03-18 18:14:19 C 07 02 34.99 +36 42 04.4 u C73
2012-03-21 19:27:32 C 07 06 19.46 +36 07 20.5 c A24
2012-03-21 19:29:36 C 07 06 19.56 +36 07 19.6 c A24
2012-03-21 20:23:04 C 07 06 22.34 +36 06 53.8 c A24
2012-03-21 21:17:02 C 07 06 25.17 +36 06 27.3 c A24
2012-03-21 22:10:31 C 07 06 27.95 +36 06 01.2 c A24
2012-03-21 22:12:35 C 07 06 28.04 +36 06 00.2 c A24
2012-04-12 03:00:16 C 07 41 58.89 +31 44 23.1 19.1 c 704
2012-04-12 03:16:38 C 07 42 00.27 +31 44 13.8 19.0 c 704
2012-04-12 03:49:16 C 07 42 02.86 +31 43 56.1 19.3 c 704
2012-04-12 04:05:40 C 07 42 04.27 +31 43 46.7 19.2 c 704
2012-04-22 04:12:37 C 08 03 02.30 +29 23 22.7 r G96
2012-04-22 04:22:36 C 08 03 03.24 +29 23 16.4 r G96
2012-04-22 04:32:39 C 08 03 04.14 +29 23 10.2 r G96
2012-04-22 04:42:43 C 08 03 05.04 +29 23 03.7 r G96