Ayako

04641, 1935 SH1, 1935SH1, 1961 UK, 1961UK, 1976 GZ1, 1976GZ1, 1977 RX1, 1977RX1, 1984 YO5, 1984YO5, 1984 YR6, 1984YR6, 1987 UU9, 1987UU9, 1990 QT3, 1990QT3, J35S01H, J61U00K, J76G01Z, J77R01X, J84Y05O, J84Y06R, J87U09U, J90Q03T

All data for this body: [vot]

MPC data
Name (number) Ayako (4641)
a 2.18905
e 0.17098
i / sin(i) 1.6526 / 0.02884
q 1.81477
Q 2.56332
ω 283.9970
Node 101.9458
m 223.8365
n 0.3043
Epoch 2460800.5
nobs 3675
nopp 27
Years observed 1961-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.189
ep 0.146
sin(ip) 0.024
G 0.150
H 14.080
Mass
D 3.55 0.720
pV 0.424 0.1290
Value
Rotational Period 5.312
Period quality 3
Spectral Class X
Spectral Class Score 5.952
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1891 0.1461 0.0237 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.55 0.720 0.720 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.424 0.1290 0.1290 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
14.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.3126 3 Synodic Pravec LCDB Lightcurve
5.31303 2 Sidereal Durech 2023A&A...675A..24D Model
5.313079 2 Sidereal Durech 2016A&A...587A..48D Model
5.314 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
X 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT