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
2021-09-20 18:53:57 s 1 +90665.435 0 +331689.44 3590.0 C57
2021-09-20 19:13:57 S 00 46 51.718 -04 10 23.30 V C57
2021-09-20 19:13:57 s 1 +89980.175 0 +332279.26 9050.0 C57
2021-09-20 20:13:57 S 00 46 47.789 -04 10 28.67 V C57
2021-09-20 20:13:57 s 1 +87916.832 0 +334020.71 1620.0 C57
2021-09-20 20:43:57 S 00 46 45.590 -04 10 35.62 V C57
2021-09-20 20:43:57 s 1 +86880.989 0 +334875.73 9790.0 C57
2021-09-20 20:53:57 S 00 46 44.902 -04 10 36.84 V C57
2021-09-20 20:53:57 s 1 +86535.101 0 +335158.41 7270.0 C57
2021-09-20 21:03:57 S 00 46 44.021 -04 10 36.30 V C57
2021-09-20 21:03:57 s 1 +86188.913 0 +335439.93 3810.0 C57
2021-09-20 21:23:57 S 00 46 42.619 -04 10 42.20 V C57
2021-09-20 21:23:57 s 1 +85495.641 0 +335999.50 4080.0 C57
2021-09-20 21:33:57 S 00 46 41.638 -04 10 44.18 V C57
2021-09-20 21:33:57 s 1 +85148.560 0 +336277.55 7820.0 C57
2021-09-20 22:33:57 S 00 46 37.658 -04 10 58.73 V C57
2021-09-20 22:33:57 s 1 +83059.953 0 +337921.58 1070.0 C57
2021-09-21 00:03:57 S 00 46 31.548 -04 11 06.07 V C57
2021-09-21 00:03:57 s 1 +79907.939 0 +340309.90 6240.0 C57
2021-09-21 01:03:57 S 00 46 27.758 -04 11 18.89 V C57
2021-09-21 01:03:57 s 1 +77794.352 0 +341850.52 1510.0 C57
2021-09-21 01:53:57 S 00 46 24.106 -04 11 27.13 V C57
2021-09-21 01:53:57 s 1 +76025.829 0 +343102.98 6850.0 C57
2021-09-21 02:43:57 S 00 46 20.976 -04 11 35.92 V C57
2021-09-21 02:43:57 s 1 +74250.961 0 +344326.99 2520.0 C57
2021-09-21 07:43:57 S 00 46 00.434 -04 12 17.64 V C57
2021-09-21 07:43:57 s 1 +63478.714 0 +351078.19 7570.0 C57
2021-09-21 09:43:57 S 00 45 51.967 -04 12 33.23 V C57
2021-09-21 09:43:57 s 1 +59116.324 0 +353496.51 2350.0 C57
2021-09-21 11:23:57 S 00 45 45.389 -04 12 50.69 V C57
2021-09-21 11:23:57 s 1 +55460.245 0 +355389.69 8780.0 C57
2021-09-21 11:33:57 S 00 45 44.453 -04 12 52.13 V C57
2021-09-21 11:33:57 s 1 +55093.655 0 +355572.93 2480.0 C57
2021-09-21 13:33:57 S 00 45 36.451 -04 13 18.70 V C57
2021-09-21 13:33:57 s 1 +50681.418 0 +357685.83 7780.0 C57
2021-09-21 14:33:57 S 00 45 32.292 -04 13 26.29 V C57
2021-09-21 14:33:57 s 1 +48466.628 0 +358682.95 4810.0 C57
2021-09-21 14:43:57 S 00 45 31.687 -04 13 19.78 V C57
2021-09-21 14:43:57 s 1 +48096.962 0 +358845.30 9420.0 C57
2021-09-21 19:33:57 S 00 45 12.372 -04 14 08.45 V C57
2021-09-21 19:33:57 s 1 +37316.693 0 +363079.12 9810.0 C57
2021-09-21 19:43:57 S 00 45 11.076 -04 14 11.26 V C57
2021-09-21 19:43:57 s 1 +36943.080 0 +363208.82 3100.0 C57
2021-09-21 20:03:57 S 00 45 10.270 -04 14 18.24 V C57
2021-09-21 20:03:57 s 1 +36195.515 0 +363464.97 8750.0 C57
2021-09-21 22:53:57 S 00 44 58.656 -04 14 33.76 V C57
2021-09-21 22:53:57 s 1 +29824.299 0 +365467.93 390.0 C57
2021-09-22 00:53:57 S 00 44 50.666 -04 15 02.09 V C57
2021-09-22 00:53:57 s 1 +25310.820 0 +366694.54 8600.0 C57
2021-09-22 01:33:57 S 00 44 47.650 -04 15 03.56 V C57