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
2025-03-09 22:51:31 C 15 49 00.948 -13 37 50.34 V M22
2025-03-12 07:46:26 C 15 55 20.594 -14 29 53.92 V W68
2025-03-12 07:49:16 C 15 55 20.897 -14 29 56.51 V W68
2025-03-12 08:26:49 C 15 55 24.936 -14 30 31.28 V W68
2025-03-12 08:54:53 C 15 55 27.953 -14 30 57.49 V W68
2025-03-12 13:36:42 C 15 55 59.635 -14 35 31.92 V T08
2025-03-12 13:39:20 C 15 55 59.926 -14 35 34.33 V T08
2025-03-12 13:43:17 C 15 56 00.324 -14 35 38.04 V T08
2025-03-12 14:00:54 C 15 56 02.230 -14 35 54.56 V T08
2025-03-12 14:07:31 C 15 56 02.914 -14 36 00.68 V T08
2025-03-12 14:10:26 C 15 56 03.221 -14 36 03.49 V T08
2025-03-12 14:20:38 C 15 56 04.342 -14 36 12.96 V T08
2025-03-12 14:28:33 C 15 56 05.172 -14 36 20.41 V T08
2025-03-13 00:48:23 C 15 57 14.611 -14 45 58.72 V 088
2025-03-13 00:51:29 C 15 57 14.938 -14 46 01.38 V 088
2025-03-13 00:54:37 C 15 57 15.276 -14 46 04.04 V 088
2025-03-13 00:57:43 C 15 57 15.569 -14 46 06.96 V 088
2025-03-13 01:01:20 C 15 57 15.898 -14 46 10.16 V 088
2025-03-13 01:04:56 C 15 57 16.375 -14 46 13.84 V 088
2025-03-13 01:08:34 C 15 57 16.711 -14 46 16.61 V 088
2025-03-13 01:16:47 C 15 57 17.645 -14 46 24.92 V 088
2025-03-13 01:22:20 C 15 57 18.394 -14 46 13.08 V M22
2025-03-13 01:26:52 C 15 57 18.881 -14 46 17.29 V M22
2025-03-13 01:52:01 C 15 57 21.586 -14 46 41.05 V M22
2025-03-13 01:56:35 C 15 57 22.078 -14 46 45.16 V M22
2025-03-15 07:34:00 C 16 03 21.490 -15 37 16.25 V W68
2025-03-15 07:37:16 C 16 03 21.847 -15 37 19.81 V W68
2025-03-15 07:41:11 C 16 03 22.258 -15 37 23.20 V W68
2025-03-15 08:12:36 C 16 03 25.661 -15 37 53.33 V W68
2025-03-16 07:05:31 C 16 05 59.474 -15 59 47.69 V W68
2025-03-16 07:08:08 C 16 05 59.758 -15 59 50.14 V W68
2025-03-16 07:12:06 C 16 06 00.180 -15 59 53.92 V W68
2025-03-16 07:38:29 C 16 06 03.019 -16 00 19.51 V W68
2025-03-16 12:25:01 C 16 06 35.374 -16 05 09.38 V T08
2025-03-16 12:29:01 C 16 06 35.767 -16 05 13.31 V T08
2025-03-16 12:38:27 C 16 06 36.785 -16 05 22.27 V T08
2025-03-19 01:09:53 C 16 13 23.287 -17 04 32.74 V L54
2025-03-19 01:20:20 C 16 13 24.350 -17 04 44.04 V L54
2025-03-19 01:28:41 C 16 13 25.284 -17 04 52.64 V L54
2025-03-23 08:08:30 C 16 24 55.975 -18 48 14.62 V W68
2025-03-23 08:11:09 C 16 24 56.249 -18 48 17.46 V W68
2025-03-23 08:15:09 C 16 24 56.678 -18 48 21.46 V W68
2025-03-26 01:31:47 C 16 32 15.931 -19 56 35.95 V M22
2025-03-26 01:35:42 C 16 32 16.349 -19 56 40.20 V M22
2025-03-26 01:40:17 C 16 32 16.836 -19 56 44.77 V M22
2025-03-26 01:47:59 C 16 32 17.681 -19 56 53.27 V M22
2025-03-28 07:20:59 C 16 38 17.515 -20 54 15.62 V W68
2025-03-28 07:26:30 C 16 38 18.106 -20 54 21.71 V W68
2025-03-28 07:31:02 C 16 38 18.586 -20 54 26.71 V W68
2025-03-28 07:39:33 C 16 38 19.483 -20 54 35.78 V W68