Chimikeppuko

05557, 1969 EY, 1969EY, 1973 FS, 1973FS, 1983 VW2, 1983VW2, 1989 CM1, 1989CM1, J69E00Y, J73F00S, J83V02W, J89C01M

All data for this body: [vot]

MPC data
Name (number) Chimikeppuko (5557)
a 2.54115
e 0.15384
i / sin(i) 5.8958 / 0.10272
q 2.15021
Q 2.93210
ω 225.7288
Node 10.3522
m 266.4328
n 0.2433
Epoch 2460800.5
nobs 4026
nopp 30
Years observed 1954-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.543
ep 0.176
sin(ip) 0.108
G 0.150
H 12.980
Mass
D 7.10 0.660
pV 0.291 0.0770
Value
Rotational Period 4.160
Period quality 2
Spectral Class S
Spectral Class Score 4.074
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5433 0.1763 0.1080 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.10 0.660 0.660 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.291 0.0770 0.0770 Masiero 2012ApJ...759L...8M 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
12.98 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.168 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.169 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.679 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT