Chaokuangpiu

04566, 1981 WM4, 1981WM4, 1986 XC, 1986XC, J81W04M, J86X00C

All data for this body: [vot]

MPC data
Name (number) Chaokuangpiu (4566)
a 2.83672
e 0.21313
i / sin(i) 10.8063 / 0.18749
q 2.23212
Q 3.44131
ω 121.9886
Node 252.3835
m 57.3895
n 0.2063
Epoch 2460800.5
nobs 7507
nopp 27
Years observed 1981-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent Itha (918)
 
ap 2.836
ep 0.162
sin(ip) 0.210
G 0.150
H 12.460
Mass
D 10.51 1.190
pV 0.235 0.2470
Value
Rotational Period 16.382
Period quality 2
Spectral Class S
Spectral Class Score 6.000
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
918 Itha 0 Itha Novakovic 2019EPSC...13.1671N HCM
918 Itha 633 Itha Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8355 0.1620 0.2104 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.51 1.190 1.190 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.235 0.2470 0.2470 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
12.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
16.3825 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT