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
2021-09-08 16:53:59 s 1 +32560.759 0 +370006.05 8140.0 C57
2021-09-08 17:03:59 S 01 03 59.090 -03 27 37.37 V C57
2021-09-08 17:03:59 s 1 +32187.695 0 +370125.64 4960.0 C57
2021-09-08 17:13:59 S 01 03 58.001 -03 27 35.10 V C57
2021-09-08 17:13:59 s 1 +31814.548 0 +370244.19 1560.0 C57
2021-09-08 18:23:59 S 01 03 54.682 -03 27 47.23 V C57
2021-09-08 18:23:59 s 1 +29200.275 0 +371044.94 1410.0 C57
2021-09-08 18:53:59 S 01 03 53.239 -03 27 58.64 V C57
2021-09-08 18:53:59 s 1 +28078.731 0 +371372.53 5310.0 C57
2021-09-08 19:13:59 S 01 03 51.912 -03 27 55.01 V C57
2021-09-08 19:13:59 s 1 +27330.677 0 +371585.74 3580.0 C57
2021-09-08 20:03:59 S 01 03 49.013 -03 28 01.42 V C57
2021-09-08 20:03:59 s 1 +25459.349 0 +372100.62 1010.0 C57
2021-09-08 20:13:59 S 01 03 48.936 -03 28 05.84 V C57
2021-09-08 20:13:59 s 1 +25084.888 0 +372200.49 3960.0 C57
2021-09-08 22:23:59 S 01 03 41.813 -03 28 26.15 V C57
2021-09-08 22:23:59 s 1 +20211.569 0 +373404.78 8170.0 C57
2021-09-09 01:23:59 S 01 03 31.891 -03 28 58.37 V C57
2021-09-09 01:23:59 s 1 +13450.720 0 +374784.91 8320.0 C57
2021-09-09 01:53:59 S 01 03 30.482 -03 29 02.04 V C57
2021-09-09 01:53:59 s 1 +12322.798 0 +374982.60 5780.0 C57
2021-09-09 02:03:59 S 01 03 29.935 -03 29 00.10 V C57
2021-09-09 02:03:59 s 1 +11946.768 0 +375046.44 4820.0 C57
2021-09-09 02:33:59 S 01 03 28.322 -03 29 13.81 V C57
2021-09-09 02:33:59 s 1 +10818.526 0 +375231.84 1630.0 C57
2021-09-09 04:53:59 S 01 03 20.458 -03 29 33.14 V C57
2021-09-09 05:43:59 S 01 03 17.786 -03 29 40.34 V C57
2021-09-09 07:07:47 C 01 03 50.76 -03 29 46.1 V 703
2021-09-09 07:15:08 C 01 03 50.40 -03 29 46.8 V 703
2021-09-09 07:22:29 C 01 03 49.99 -03 29 48.5 V 703
2021-09-09 07:29:49 C 01 03 49.54 -03 29 49.2 V 703
2021-09-09 09:23:59 S 01 03 05.923 -03 30 16.85 V C57
2021-09-09 10:13:59 S 01 03 03.322 -03 30 27.79 V C57
2021-09-09 10:53:59 S 01 03 01.226 -03 30 26.28 V C57
2021-09-09 11:13:59 S 01 03 00.216 -03 30 33.84 V C57
2021-09-09 12:33:59 S 01 02 55.709 -03 30 49.18 V C57
2021-09-09 12:33:59 s 1 -11753.359 0 +377013.61 4010.0 C57
2021-09-09 13:33:59 S 01 02 52.421 -03 30 53.35 V C57
2021-09-09 13:33:59 s 1 -14006.713 0 +376990.85 7850.0 C57
2021-09-09 14:13:59 S 01 02 50.340 -03 31 05.05 V C57
2021-09-09 14:13:59 s 1 -15508.097 0 +376955.45 3690.0 C57
2021-09-09 15:53:59 S 01 02 44.765 -03 31 20.17 V C57
2021-09-09 15:53:59 s 1 -19258.112 0 +376796.22 4920.0 C57
2021-09-09 17:03:59 S 01 02 41.148 -03 31 24.64 V C57
2021-09-09 17:03:59 s 1 -21879.781 0 +376624.66 8090.0 C57
2021-09-09 17:13:59 S 01 02 40.814 -03 31 29.03 V C57
2021-09-09 17:13:59 s 1 -22254.056 0 +376596.12 470.0 C57
2021-09-09 18:33:59 S 01 02 36.353 -03 31 39.72 V C57
2021-09-09 18:33:59 s 1 -25245.836 0 +376331.42 520.0 C57
2021-09-09 18:43:59 S 01 02 35.786 -03 31 44.22 V C57