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
2023-08-24 01:17:38 C 23 17 44.441 -25 07 30.86 V M22
2023-08-28 06:16:14 C 23 10 27.358 -25 16 03.54 V W68
2023-08-28 06:21:00 C 23 10 26.983 -25 16 03.65 V W68
2023-08-28 07:07:17 C 23 10 23.484 -25 16 06.06 V W68
2023-08-28 07:15:34 C 23 10 22.843 -25 16 06.17 V W68
2023-09-11 09:08:11 C 22 46 46.310 -24 55 13.45 X F51
2023-09-11 09:22:02 C 22 46 45.383 -24 55 11.04 X F51
2023-09-11 09:35:54 C 22 46 44.457 -24 55 08.67 X F51
2023-09-11 09:49:46 C 22 46 43.532 -24 55 06.25 X F51
2023-09-13 22:18:23 C 22 43 00.655 -24 43 12.11 V M22
2023-09-13 22:24:14 C 22 43 00.242 -24 43 11.14 V M22
2023-09-13 22:33:08 C 22 42 59.722 -24 43 09.26 V M22
2023-09-13 22:47:43 C 22 42 58.807 -24 43 05.92 V M22
2023-09-15 05:01:43 C 22 41 13.344 -24 36 34.81 V 703
2023-09-15 05:09:47 C 22 41 12.872 -24 36 33.12 V 703
2023-09-15 05:17:50 C 22 41 12.361 -24 36 31.25 V 703
2023-09-15 05:25:54 C 22 41 11.893 -24 36 29.52 V 703
2023-09-20 06:05:13 C 22 34 49.357 -24 04 38.21 V 703
2023-09-20 06:13:06 C 22 34 49.040 -24 04 36.12 V 703
2023-09-20 06:20:59 C 22 34 48.637 -24 04 33.85 V 703
2023-09-21 03:38:22 C 22 33 48.329 -23 57 59.69 V W68
2023-09-21 03:43:36 C 22 33 48.065 -23 57 57.56 V W68
2023-09-21 03:52:27 C 22 33 47.640 -23 57 55.44 V W68
2023-09-21 04:07:48 C 22 33 46.908 -23 57 50.29 V W68
2023-09-22 21:04:20 C 22 31 57.499 -23 44 55.07 V M22
2023-09-22 21:10:04 C 22 31 57.206 -23 44 53.59 V M22
2023-09-22 21:58:59 C 22 31 54.994 -23 44 37.46 V M22
2023-09-24 01:57:40 C 22 30 45.396 -23 35 22.52 V W68
2023-09-24 02:02:28 C 22 30 45.211 -23 35 21.34 V W68
2023-09-24 02:53:30 C 22 30 42.967 -23 35 03.84 V W68
2023-09-24 03:03:57 C 22 30 42.547 -23 34 59.88 V W68
2023-09-24 04:50:13 C 22 30 38.372 -23 34 34.68 V 703
2023-09-24 04:58:43 C 22 30 38.041 -23 34 31.91 V 703
2023-09-24 05:07:14 C 22 30 37.692 -23 34 28.34 V 703
2023-09-24 05:15:45 C 22 30 37.325 -23 34 25.82 V 703
2023-10-03 04:20:11 C 22 23 56.180 -22 13 22.69 V 703
2023-10-03 04:28:12 C 22 23 55.896 -22 13 18.55 V 703
2023-10-03 04:36:13 C 22 23 55.698 -22 13 16.10 V 703
2023-10-03 04:44:15 C 22 23 55.428 -22 13 12.54 V 703
2023-10-04 20:36:44 C 22 23 06.470 -21 56 30.55 V M22
2023-10-04 20:41:24 C 22 23 06.355 -21 56 28.75 V M22
2023-10-04 20:50:43 C 22 23 06.163 -21 56 24.79 V M22
2023-10-04 21:05:11 C 22 23 05.844 -21 56 19.10 V M22
2023-10-06 03:01:14 C 22 22 34.385 -21 43 38.39 V W68
2023-10-06 03:05:48 C 22 22 34.284 -21 43 37.24 V W68
2023-10-06 03:14:19 C 22 22 34.126 -21 43 33.28 V W68
2023-10-06 03:47:38 C 22 22 33.530 -21 43 18.70 V W68
2023-10-10 21:00:39 C 22 21 13.277 -20 53 39.30 V M22
2023-10-10 21:05:57 C 22 21 13.291 -20 53 36.64 V M22
2023-10-10 21:15:30 C 22 21 13.145 -20 53 32.10 V M22