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
2021-09-19 09:13:57 s 1 +150391.57 6 +246634.17 2460.0 C57
2021-09-19 10:03:57 S 00 49 09.778 -04 05 09.13 V C57
2021-09-19 10:03:57 s 1 +149224.34 0 +249388.05 2470.0 C57
2021-09-19 10:33:57 S 00 49 07.303 -04 05 11.04 V C57
2021-09-19 10:33:57 s 1 +148513.88 5 +251023.47 9510.0 C57
2021-09-19 11:43:57 S 00 49 02.638 -04 05 26.52 V C57
2021-09-19 11:43:57 s 1 +146827.37 7 +254790.43 8780.0 C57
2021-09-19 14:33:57 S 00 48 50.580 -04 05 55.18 V C57
2021-09-19 14:33:57 s 1 +142570.98 7 +263655.90 1170.0 C57
2021-09-19 14:53:57 S 00 48 48.998 -04 05 52.76 V C57
2021-09-19 14:53:57 s 1 +142055.89 7 +264672.81 4210.0 C57
2021-09-19 15:23:57 S 00 48 47.179 -04 06 03.17 V C57
2021-09-19 15:23:57 s 1 +141277.80 0 +266187.96 1000.0 C57
2021-09-19 15:33:57 S 00 48 46.478 -04 05 59.86 V C57
2021-09-19 15:33:57 s 1 +141016.99 2 +266690.30 1910.0 C57
2021-09-19 16:23:57 S 00 48 42.658 -04 06 14.36 V C57
2021-09-19 16:23:57 s 1 +139702.28 8 +269181.65 1790.0 C57
2021-09-19 19:33:57 S 00 48 29.758 -04 06 36.11 V C57
2021-09-19 19:33:57 s 1 +134550.63 7 +278342.77 1530.0 C57
2021-09-19 20:53:57 S 00 48 24.211 -04 06 54.43 V C57
2021-09-19 20:53:57 s 1 +132311.40 0 +282056.77 2940.0 C57
2021-09-19 21:03:57 S 00 48 23.669 -04 06 53.28 V C57
2021-09-19 21:03:57 s 1 +132028.70 2 +282515.11 2820.0 C57
2021-09-19 21:33:57 S 00 48 21.490 -04 06 57.53 V C57
2021-09-19 21:33:57 s 1 +131176.95 3 +283882.26 620.0 C57
2021-09-19 22:03:57 S 00 48 19.260 -04 07 06.67 V C57
2021-09-19 22:03:57 s 1 +130319.78 4 +285237.67 870.0 C57
2021-09-20 00:03:57 S 00 48 11.033 -04 07 23.99 V C57
2021-09-20 00:03:57 s 1 +126838.42 1 +290542.51 1480.0 C57
2021-09-20 04:03:57 S 00 47 54.770 -04 07 58.55 V C57
2021-09-20 04:03:57 s 1 +119637.88 0 +300598.71 4890.0 C57
2021-09-20 04:13:57 S 00 47 53.561 -04 08 02.18 V C57
2021-09-20 04:13:57 s 1 +119331.37 1 +301001.89 7880.0 C57
2021-09-20 06:23:57 S 00 47 44.400 -04 08 20.00 V C57
2021-09-20 06:23:57 s 1 +115302.33 1 +306129.38 3890.0 C57
2021-09-20 08:53:57 S 00 47 34.082 -04 08 49.24 V C57
2021-09-20 08:53:57 s 1 +110555.56 0 +311785.21 9690.0 C57
2021-09-20 09:43:57 S 00 47 30.958 -04 08 56.58 V C57
2021-09-20 09:43:57 s 1 +108951.21 3 +313609.05 4200.0 C57
2021-09-20 09:53:57 S 00 47 30.156 -04 08 57.37 V C57
2021-09-20 09:53:57 s 1 +108629.06 2 +313970.15 7000.0 C57
2021-09-20 12:43:57 S 00 47 18.859 -04 09 22.21 V C57
2021-09-20 12:43:57 s 1 +103089.60 5 +319923.25 3790.0 C57
2021-09-20 14:43:57 S 00 47 10.152 -04 09 37.01 V C57
2021-09-20 14:43:57 s 1 +99118.442 0 +323919.87 4090.0 C57
2021-09-20 16:33:57 S 00 47 02.885 -04 09 57.74 V C57
2021-09-20 16:33:57 s 1 +95425.563 0 +327429.37 9560.0 C57
2021-09-20 18:43:57 S 00 46 53.698 -04 10 18.34 V C57
2021-09-20 18:43:57 s 1 +91007.585 0 +331392.78 4350.0 C57
2021-09-20 18:53:57 S 00 46 52.783 -04 10 14.74 V C57