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
2021-09-04 09:35:32 C 01 09 33.96 -03 13 13.5 U I41
2021-09-04 09:40:18 C 01 09 33.75 -03 13 14.1 U I41
2021-09-05 08:13:23 C 01 08 32.46 -03 16 16.3 U I41
2021-09-05 09:06:36 C 01 08 29.89 -03 16 23.7 U I41
2021-09-05 11:18:25 C 01 08 23.87 -03 16 40.1 V T05
2021-09-05 11:23:44 C 01 08 23.60 -03 16 40.4 V T05
2021-09-05 11:33:37 C 01 08 23.15 -03 16 41.2 V T05
2021-09-05 11:40:52 C 01 08 22.75 -03 16 42.4 V T05
2021-09-06 09:05:54 C 01 07 22.03 -03 19 42.3 U I41
2021-09-06 09:12:41 C 01 07 21.69 -03 19 43.3 U I41
2021-09-06 10:11:39 C 01 07 18.71 -03 19 51.5 U I41
2021-09-06 10:12:59 C 01 07 18.64 -03 19 51.8 U I41
2021-09-07 00:43:59 S 01 06 09.859 -03 21 05.47 V C57
2021-09-07 00:43:59 s 1 +117069.02 7 +309544.92 5420.0 C57
2021-09-07 05:03:59 S 01 05 55.906 -03 21 52.67 V C57
2021-09-07 05:03:59 s 1 +108761.38 7 +319238.42 8000.0 C57
2021-09-07 07:13:27 C 01 06 17.49 -03 22 49.7 V 703
2021-09-07 07:21:07 C 01 06 17.13 -03 22 50.7 V 703
2021-09-07 07:28:47 C 01 06 16.76 -03 22 51.9 V 703
2021-09-07 07:33:59 S 01 05 47.326 -03 22 15.17 V C57
2021-09-07 07:33:59 s 1 +103844.95 6 +324464.84 5620.0 C57
2021-09-07 07:36:27 C 01 06 16.33 -03 22 52.8 V 703
2021-09-07 09:07:50 C 01 06 11.67 -03 23 06.1 U I41
2021-09-07 10:13:02 C 01 06 08.28 -03 23 15.4 U I41
2021-09-07 12:03:59 S 01 05 33.139 -03 22 59.77 V C57
2021-09-07 12:03:59 s 1 +94792.370 0 +333210.07 4130.0 C57
2021-09-07 18:53:59 S 01 05 10.656 -03 24 03.02 V C57
2021-09-07 18:53:59 s 1 +80614.210 0 +344895.57 1550.0 C57
2021-09-07 19:43:59 S 01 05 08.138 -03 24 04.21 V C57
2021-09-07 19:43:59 s 1 +78854.097 0 +346191.38 1850.0 C57
2021-09-07 20:43:59 S 01 05 04.898 -03 24 18.65 V C57
2021-09-07 20:43:59 s 1 +76733.918 0 +347709.69 7520.0 C57
2021-09-08 01:03:59 S 01 04 50.462 -03 24 58.61 V C57
2021-09-08 01:03:59 s 1 +67452.428 0 +353830.50 4420.0 C57
2021-09-08 03:33:59 S 01 04 42.581 -03 25 22.40 V C57
2021-09-08 03:33:59 s 1 +62034.875 0 +357025.93 6270.0 C57
2021-09-08 05:33:59 S 01 04 36.238 -03 25 47.17 V C57
2021-09-08 05:33:59 s 1 +57671.533 0 +359407.13 3110.0 C57
2021-09-08 08:37:52 C 01 05 00.68 -03 26 29.1 U I41
2021-09-08 09:38:17 C 01 04 57.45 -03 26 37.8 U I41
2021-09-08 12:03:59 S 01 04 15.216 -03 26 45.06 V C57
2021-09-08 12:03:59 s 1 +43338.350 0 +366082.97 1700.0 C57
2021-09-08 12:43:19 C 01 04 47.876 -03 27 02.85 U F51
2021-09-08 13:16:44 C 01 04 46.069 -03 27 07.69 U F51
2021-09-08 13:42:18 C 01 04 44.689 -03 27 11.39 U F51
2021-09-08 14:03:59 S 01 04 08.510 -03 27 02.81 V C57
2021-09-08 14:03:59 s 1 +38889.019 0 +367813.21 2610.0 C57
2021-09-08 16:33:59 S 01 04 00.607 -03 27 27.65 V C57
2021-09-08 16:33:59 s 1 +33306.632 0 +369763.73 3760.0 C57
2021-09-08 16:53:59 S 01 03 59.666 -03 27 37.51 V C57