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
2025-05-07 00:09:24 C 18 16 04.130 -40 42 18.83 V M22
2025-05-07 00:11:49 C 18 16 04.308 -40 42 22.03 V M22
2025-05-07 00:14:42 C 18 16 04.517 -40 42 25.88 V M22
2025-05-07 00:16:01 C 18 16 04.613 -40 42 27.61 V M22
2025-05-07 01:16:56 C 18 16 10.79 -40 43 42.2 q Y16
2025-05-07 01:26:35 C 18 16 11.42 -40 43 56.0 q Y16
2025-05-07 01:36:14 C 18 16 12.33 -40 44 08.7 q Y16
2025-05-09 06:28:44 C 18 20 22.548 -41 53 07.94 V W68
2025-05-09 06:32:56 C 18 20 22.824 -41 53 13.60 V W68
2025-05-09 06:37:33 C 18 20 23.146 -41 53 19.75 V W68
2025-05-12 22:36:09 C 18 26 50.354 -43 46 01.88 V M22
2025-05-12 22:40:05 C 18 26 50.606 -43 46 07.03 V M22
2025-05-12 22:47:19 C 18 26 51.053 -43 46 16.54 V M22
2025-05-21 05:31:02 C 18 38 26.772 -47 47 39.98 V W68
2025-05-21 05:35:13 C 18 38 26.928 -47 47 45.02 V W68
2025-05-21 05:39:13 C 18 38 27.082 -47 47 49.70 V W68
2025-05-21 05:54:48 C 18 38 27.660 -47 48 08.17 V W68
2025-05-22 05:04:45 B 18 39 29.914 -48 14 45.17 X X89
2025-05-22 05:06:25 B 18 39 29.983 -48 14 47.26 X X89
2025-05-22 05:08:06 B 18 39 30.041 -48 14 49.09 X X89
2025-05-23 00:26:28 C 18 40 18.996 -48 36 27.32 V M22
2025-05-23 00:29:05 C 18 40 19.075 -48 36 30.38 V M22
2025-05-23 00:33:06 C 18 40 19.202 -48 36 34.92 V M22
2025-05-23 00:42:59 C 18 40 19.505 -48 36 46.04 V M22
2025-05-29 04:18:30 C 18 44 53.503 -51 12 03.06 V W68
2025-05-29 04:21:11 C 18 44 53.518 -51 12 05.80 V W68
2025-05-29 04:26:00 C 18 44 53.575 -51 12 10.84 V W68
2025-05-29 05:12:01 C 18 44 54.084 -51 12 57.92 V W68
2025-05-31 00:48:14 C 18 45 38.028 -51 54 34.88 V M22
2025-05-31 00:52:51 C 18 45 38.042 -51 54 39.20 V M22
2025-05-31 01:00:44 C 18 45 38.066 -51 54 46.48 V M22
2025-05-31 01:46:30 C 18 45 38.203 -51 55 28.38 V M22
2025-06-02 06:00:10 C 18 46 11.938 -52 42 20.16 V W68
2025-06-02 06:02:47 C 18 46 11.926 -52 42 22.50 V W68
2025-06-02 06:06:47 C 18 46 11.909 -52 42 25.99 V W68
2025-06-02 06:14:06 C 18 46 11.875 -52 42 32.44 V W68
2025-06-06 06:03:41 C 18 46 13.195 -53 59 30.19 V W68
2025-06-06 06:07:42 C 18 46 13.121 -53 59 33.22 V W68
2025-06-06 06:15:36 C 18 46 12.996 -53 59 39.08 V W68
2025-06-06 06:44:59 C 18 46 12.458 -54 00 00.76 V W68
2025-06-10 04:12:07 C 18 45 06.430 -55 02 47.98 V W68
2025-06-10 04:20:47 C 18 45 06.180 -55 02 53.63 V W68
2025-06-10 04:25:43 C 18 45 06.038 -55 02 56.69 V W68
2025-06-10 04:37:43 C 18 45 05.693 -55 03 04.36 V W68
2025-06-10 05:12:02 C 18 45 04.745 -55 03 25.74 V W68
2025-06-10 05:14:42 C 18 45 04.584 -55 03 27.47 V W68
2025-06-21 02:28:33 C 18 37 13.35 -56 48 22.7 834
2025-06-21 03:20:19 C 18 37 10.72 -56 48 33.6 834
2025-06-24 02:35:32 C 18 34 19.349 -56 58 18.95 V W68
2025-06-24 02:45:18 C 18 34 18.854 -56 58 20.24 V W68