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
2000-09-02 10:57:48 C 03 39 49.19 +19 26 08.4 z 711
2000-09-24 09:16:04 C 03 45 34.23 +21 23 44.9 c 699
2000-09-24 09:48:25 C 03 45 33.87 +21 23 50.6 c 699
2000-09-24 10:20:50 C 03 45 33.62 +21 23 57.3 c 699
2000-09-24 10:53:16 C 03 45 33.35 +21 24 04.1 c 699
2000-10-25 08:55:26 C 03 20 00.05 +23 01 07.7 19.8 c 704
2000-10-25 09:22:05 C 03 19 58.42 +23 01 06.9 19.7 c 704
2000-10-25 09:42:36 C 03 19 57.18 +23 01 07.9 19.7 c 704
2000-10-25 10:02:59 C 03 19 55.95 +23 01 07.7 20.0 c 704
2000-11-18 06:08:57 C 02 41 21.87 +22 35 03.3 c 699
2000-11-18 06:31:37 C 02 41 20.40 +22 35 00.3 c 699
2000-11-18 06:54:13 C 02 41 18.86 +22 34 57.5 c 699
2000-11-18 07:16:53 C 02 41 17.45 +22 34 54.8 c 699
2000-11-23 13:35:45 C 02 33 22.93 +22 19 23.7 360
2000-11-23 13:39:45 C 02 33 22.69 +22 19 23.1 360
2000-11-23 13:43:45 C 02 33 22.43 +22 19 22.6 360
2000-11-29 05:21:27 C 02 25 51.48 +22 01 44.0 19.3 c 704
2000-11-29 05:43:24 C 02 25 50.32 +22 01 40.0 20.0 c 704
2000-11-29 06:05:58 C 02 25 49.13 +22 01 38.3 19.9 c 704
2000-11-29 06:29:55 C 02 25 47.85 +22 01 33.7 19.2 c 704
2000-11-29 06:52:44 C 02 25 46.68 +22 01 31.5 19.5 c 704
2002-09-01 10:02:38 C 02 38 05.92 +11 26 18.9 c 848
2002-09-01 10:43:48 C 02 38 06.07 +11 26 26.7 c 848
2002-09-01 11:31:22 C 02 38 06.07 +11 26 33.9 c 848
2002-10-02 07:54:03 C 02 18 58.75 +12 04 19.9 18.6 c 704
2002-10-02 08:16:16 C 02 18 57.51 +12 04 19.5 19.2 c 704
2002-10-02 08:38:44 C 02 18 56.29 +12 04 18.3 19.0 c 704
2002-10-02 09:01:18 C 02 18 55.11 +12 04 17.6 19.2 c 704
2002-10-03 07:50:38 C 02 17 42.92 +12 03 22.2 18.7 c 704
2002-10-03 08:13:18 C 02 17 41.69 +12 03 21.7 19.0 c 704
2002-10-03 08:36:16 C 02 17 40.43 +12 03 20.4 19.4 c 704
2002-10-03 08:59:18 C 02 17 39.12 +12 03 19.5 19.2 c 704
2002-10-03 09:22:14 C 02 17 37.88 +12 03 19.0 19.4 c 704
2002-10-07 07:40:23 C 02 12 20.57 +11 58 17.4 c 670
2002-10-07 08:16:41 C 02 12 18.20 +11 58 13.8 19.3 c 704
2002-10-07 08:39:19 C 02 12 16.92 +11 58 13.0 19.2 c 704
2002-10-07 09:01:39 C 02 12 15.51 +11 58 11.2 19.2 c 704
2002-10-07 09:24:04 C 02 12 14.15 +11 58 09.2 19.1 c 704
2002-10-07 10:29:26 C 02 12 10.24 +11 58 04.4 c 670
2002-10-08 07:42:01 C 02 10 55.19 +11 56 39.8 c 699
2002-10-08 08:07:17 C 02 10 53.74 +11 56 38.6 c 699
2002-10-08 08:32:35 C 02 10 52.14 +11 56 37.0 c 699
2002-10-08 08:57:53 C 02 10 50.56 +11 56 35.1 c 699
2002-10-09 07:52:06 C 02 09 27.99 +11 54 57.2 19.1 c 704
2002-10-09 08:14:26 C 02 09 26.63 +11 54 54.9 19.3 c 704
2002-10-09 08:37:15 C 02 09 25.16 +11 54 53.4 19.3 c 704
2002-10-09 09:00:04 C 02 09 23.73 +11 54 51.2 19.4 c 704
2002-10-09 09:22:48 C 02 09 22.31 +11 54 49.7 19.4 c 704
2002-10-11 06:05:34 C 02 06 37.40 +11 51 20.0 18.3 c 704
2002-10-11 06:28:28 C 02 06 35.93 +11 51 18.6 18.5 c 704