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
2021-09-30 10:23:57 S 00 32 02.933 -04 38 08.95 V C57
2021-09-30 10:23:57 s 1 +159070.51 2 +29819.358 6430.0 C57
2021-09-30 10:53:57 S 00 32 00.485 -04 38 08.56 V C57
2021-09-30 10:53:57 s 1 +160181.42 2 +32699.111 2420.0 C57
2021-09-30 11:33:57 S 00 31 57.530 -04 38 16.84 V C57
2021-09-30 11:33:57 s 1 +161599.29 3 +36525.670 9170.0 C57
2021-09-30 12:23:57 S 00 31 53.887 -04 38 16.58 V C57
2021-09-30 12:23:57 s 1 +163272.81 2 +41286.253 8390.0 C57
2021-09-30 13:33:57 S 00 31 48.430 -04 38 26.66 V C57
2021-09-30 13:33:57 s 1 +165437.86 4 +47915.411 480.0 C57
2021-09-30 16:23:57 S 00 31 35.606 -04 38 38.69 V C57
2021-09-30 16:23:57 s 1 +169893.75 8 +63744.023 7750.0 C57
2021-09-30 17:53:57 S 00 31 28.790 -04 38 50.53 V C57
2021-09-30 17:53:57 s 1 +171827.45 9 +71969.669 1040.0 C57
2021-09-30 19:43:57 S 00 31 20.450 -04 38 56.08 V C57
2021-09-30 19:43:57 s 1 +173824.61 3 +81868.128 4980.0 C57
2021-09-30 21:13:57 S 00 31 14.110 -04 39 00.40 V C57
2021-09-30 21:13:57 s 1 +175178.42 4 +89835.267 2380.0 C57
2021-09-30 21:23:57 S 00 31 13.111 -04 39 03.64 V C57
2021-09-30 21:23:57 s 1 +175314.01 1 +90713.043 2520.0 C57
2021-09-30 21:33:57 S 00 31 12.816 -04 39 05.47 V C57
2021-09-30 21:33:57 s 1 +175446.70 4 +91589.313 3210.0 C57
2021-09-30 21:43:57 S 00 31 11.916 -04 39 08.50 V C57
2021-09-30 21:43:57 s 1 +175576.52 2 +92464.075 4500.0 C57
2021-10-01 00:23:57 S 00 30 59.755 -04 39 19.15 V C57
2021-10-01 00:23:57 s 1 +177277.80 9 +106252.81 8660.0 C57
2021-10-01 00:53:57 S 00 30 58.039 -04 39 23.94 V C57
2021-10-01 00:53:57 s 1 +177521.42 7 +108794.29 6660.0 C57
2021-10-01 01:33:57 S 00 30 54.799 -04 39 26.35 V C57
2021-10-01 01:33:57 s 1 +177811.03 8 +112161.18 2500.0 C57
2021-10-01 04:43:57 S 00 30 40.320 -04 39 46.62 V C57
2021-10-01 04:43:57 s 1 +178666.38 3 +127812.39 2110.0 C57
2021-10-01 05:03:57 S 00 30 39.458 -04 39 50.26 V C57
2021-10-01 05:03:57 s 1 +178708.96 3 +129426.96 6970.0 C57
2021-10-01 05:43:57 S 00 30 36.264 -04 39 48.64 V C57
2021-10-01 05:43:57 s 1 +178768.37 6 +132637.24 2880.0 C57
2021-10-01 05:53:57 S 00 30 35.470 -04 39 50.76 V C57
2021-10-01 05:53:57 s 1 +178777.94 2 +133435.89 2150.0 C57
2021-10-01 06:25:47 C 00 30 44.41 -04 41 07.0 U I41
2021-10-01 06:27:07 C 00 30 44.32 -04 41 07.1 U I41
2021-10-01 07:37:09 C 00 30 39.53 -04 41 13.7 U I41
2021-10-01 07:38:30 C 00 30 39.44 -04 41 13.9 U I41
2021-10-01 07:43:57 S 00 30 26.909 -04 40 00.95 V C57
2021-10-01 07:43:57 s 1 +178747.97 9 +142117.42 4220.0 C57
2021-10-01 07:53:57 S 00 30 26.263 -04 40 08.08 V C57
2021-10-01 07:53:57 s 1 +178733.28 1 +142897.24 4550.0 C57
2021-10-01 08:53:57 S 00 30 22.068 -04 40 09.59 V C57
2021-10-01 08:53:57 s 1 +178604.65 3 +147543.32 5040.0 C57
2021-10-01 09:53:57 S 00 30 17.443 -04 40 14.99 V C57
2021-10-01 09:53:57 s 1 +178408.43 9 +152133.16 5830.0 C57