Krethon

05285, 1989 EO11, 1989EO11, J89E11O

All data for this body: [vot]

MPC data
Name (number) Krethon (5285)
a 5.19829
e 0.05080
i / sin(i) 25.1340 / 0.42474
q 4.93421
Q 5.46238
ω 259.3307
Node 144.2816
m 128.1076
n 0.0832
Epoch 2460800.5
nobs 4141
nopp 31
Years observed 1956-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 10.120
Mass
D 51.97 0.533
pV 0.071 0.0072
Value
Rotational Period 12.000
Period quality 2
Spectral Class D
Spectral Class Score 7.000
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
49.61 0.750 0.750 Grav 2012ApJ...759...49G NEATM
52.61 3.580 3.580 Usui 2011PASJ...63.1117U NEATM
52.88 10.580 10.580 Ali-Lagoa 2018A&A...612A..85A NEATM
54.48 0.780 0.780 Grav 2011ApJ...742...40G NEATM
54.51 10.900 10.900 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.058 0.0230 0.0230 Ali-Lagoa 2018A&A...612A..85A NEATM
0.062 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.065 0.0130 0.0130 Grav 2011ApJ...742...40G NEATM
0.079 0.0100 0.0100 Grav 2012ApJ...759...49G 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
10.12 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
12.024 Synodic McNeill 2021PSJ.....2....6M Lightcurve
12.0246 2 Sidereal Durech 2023A&A...675A..24D Model
12.0247 2 Sidereal Durech 2018A&A...620A..91D Model
12.04 2 Synodic French 2013MPBu...40..198F Lightcurve
12.04 2 Synodic Stephens 2016MPBu...43...15S Lightcurve
20.88 1 Synodic Duffard 2008LPICo1405.8187D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
PD Jewitt-Luu VIS Bendjoya 2004Icar..168..374B SPEC