1989 YK8

1989YK8, 05480, 1976 OT, 1976OT, J76O00T, J89Y08K

All data for this body: [vot]

MPC data
Name (number) 1989 YK8 (5480)
a 3.13102
e 0.09744
i / sin(i) 6.6659 / 0.11608
q 2.82593
Q 3.43610
ω 160.5927
Node 120.3947
m 298.7404
n 0.1779
Epoch 2460800.5
nobs 7692
nopp 30
Years observed 1953-2025
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.136
ep 0.096
sin(ip) 0.097
G 0.150
H 11.460
Mass
D 15.73 0.174
pV 0.203 0.0154
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1357 0.0961 0.0970 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.10 0.270 0.270 Masiero 2014ApJ...791..121M NEATM
16.16 0.232 0.232 Masiero 2011ApJ...741...68M NEATM
16.56 1.260 1.260 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.189 0.0360 0.0360 Masiero 2011ApJ...741...68M NEATM
0.194 0.0330 0.0330 Masiero 2012ApJ...759L...8M NEATM
0.210 0.0200 0.0200 Masiero 2014ApJ...791..121M 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
11.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.334 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L&D L DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC