1989 CU8

1989CU8, 05582, 1984 DB2, 1984DB2, 1986 RM5, 1986RM5, J84D02B, J86R05M, J89C08U

All data for this body: [vot]

MPC data
Name (number) 1989 CU8 (5582)
a 2.89555
e 0.01745
i / sin(i) 2.0917 / 0.03650
q 2.84503
Q 2.94608
ω 73.3653
Node 18.0033
m 186.0800
n 0.2000
Epoch 2460800.5
nobs 5897
nopp 29
Years observed 1984-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.895
ep 0.039
sin(ip) 0.038
G 0.150
H 13.050
Mass
D 7.61 0.208
pV 0.254 0.0297
Value
Rotational Period 4.000
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8948 0.0390 0.0381 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.61 0.208 0.208 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.254 0.0297 0.0297 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.05 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.5 2 Synodic Waszczak 2015AJ....150...75W Lightcurve