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
2021-10-14 03:46:29 C 00 11 53.61 -04 54 31.1 V 703
2021-10-14 03:54:14 C 00 11 53.17 -04 54 31.4 V 703
2021-10-14 04:02:01 C 00 11 52.76 -04 54 32.2 V 703
2021-10-14 07:02:10 C 00 11 43.17 -04 54 28.0 V T05
2021-10-14 07:12:06 C 00 11 42.55 -04 54 28.0 V T05
2021-10-14 07:32:35 C 00 11 41.40 -04 54 27.4 V T05
2021-10-14 08:08:40 C 00 11 39.37 -04 54 26.8 V T05
2021-10-22 08:06:23 C 00 02 33.390 -04 45 27.85 U F51
2021-10-22 08:21:34 C 00 02 32.736 -04 45 26.60 U F51
2021-10-22 08:36:46 C 00 02 32.071 -04 45 25.39 U F51
2021-10-22 08:51:56 C 00 02 31.420 -04 45 24.13 U F51
2021-10-28 04:35:12 C 23 57 30.08 -04 30 39.2 V 703
2021-10-28 04:42:43 C 23 57 29.80 -04 30 39.1 V 703
2021-10-28 04:50:15 C 23 57 29.60 -04 30 36.9 V 703
2021-10-28 04:57:46 C 23 57 29.30 -04 30 36.8 V 703
2021-10-29 04:59:17 C 23 56 46.08 -04 27 24.0 V G96
2021-10-29 05:06:48 C 23 56 45.86 -04 27 23.1 V G96
2021-10-29 05:14:18 C 23 56 45.61 -04 27 22.2 V G96
2021-10-29 05:21:48 C 23 56 45.38 -04 27 21.0 V G96
2021-10-29 07:06:21 C 23 56 42.508 -04 27 05.25 U F52
2021-10-29 07:23:47 C 23 56 41.965 -04 27 02.85 U F52
2021-10-29 07:41:12 C 23 56 41.425 -04 27 00.45 U F52
2021-10-29 07:58:38 C 23 56 40.882 -04 26 58.06 U F52
2021-10-29 08:37:31 C 23 56 39.71 -04 26 52.2 V T08
2021-10-29 08:42:10 C 23 56 39.52 -04 26 51.6 V T08
2021-10-29 08:52:08 C 23 56 39.25 -04 26 50.9 V T08
2021-10-29 09:16:14 C 23 56 38.47 -04 26 47.1 V T08
2021-10-31 08:19:18 C 23 55 22.08 -04 19 54.3 V T05
2021-10-31 08:26:39 C 23 55 21.85 -04 19 53.4 V T05
2021-10-31 08:32:35 C 23 55 21.72 -04 19 51.9 V T05
2021-10-31 08:51:54 C 23 55 21.20 -04 19 49.4 V T05
2021-11-05 06:12:19 C 23 52 53.029 -03 59 36.48 U F52
2021-11-05 06:27:49 C 23 52 52.742 -03 59 33.53 U F52
2021-11-05 06:43:21 C 23 52 52.446 -03 59 30.58 U F52
2021-11-05 06:59:08 C 23 52 52.146 -03 59 27.60 U F52
2021-11-06 03:36:43 C 23 52 32.37 -03 55 29.6 U I41
2021-11-06 05:05:08 C 23 52 30.85 -03 55 12.4 U I41
2021-11-06 05:34:53 C 23 52 30.35 -03 55 06.3 U I41
2021-11-06 07:10:24 C 23 52 28.76 -03 54 47.6 U I41
2021-11-08 03:58:06 C 23 51 52.91 -03 45 39.7 U I41
2021-11-08 06:34:30 C 23 51 50.79 -03 45 06.7 U I41
2021-11-08 07:29:54 C 23 51 50.31 -03 44 53.6 V T05
2021-11-08 07:35:10 C 23 51 50.25 -03 44 53.2 V T05
2021-11-08 07:43:08 C 23 51 50.14 -03 44 50.5 V T05
2021-11-08 07:59:07 C 23 51 49.90 -03 44 47.4 V T05
2021-11-11 02:58:09 C 23 51 12.83 -03 30 02.0 V G96
2021-11-11 03:05:34 C 23 51 12.76 -03 30 00.4 V G96
2021-11-11 03:13:01 C 23 51 12.70 -03 29 58.8 V G96
2021-11-11 03:20:27 C 23 51 12.62 -03 29 57.1 V G96
2021-11-22 05:08:06 C 23 51 36.954 -02 20 15.10 U F52