Yamatai

04929, 1964 FJ, 1964FJ, 1982 XV, 1982XV, 1984 HK, 1984HK, J64F00J, J82X00V, J84H00K

All data for this body: [vot]

MPC data
Name (number) Yamatai (4929)
a 2.21004
e 0.05930
i / sin(i) 2.4877 / 0.04340
q 2.07897
Q 2.34110
ω 89.2918
Node 127.4738
m 168.1528
n 0.3000
Epoch 2460800.5
nobs 6059
nopp 28
Years observed 1949-2025
rms 0.56
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.211
ep 0.099
sin(ip) 0.044
G 0.150
H 13.950
Mass
D 3.95 0.065
pV 0.409 0.0325
Value
Rotational Period 45.200
Period quality 2
Spectral Class X
Spectral Class Score 3.366
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2105 0.0989 0.0440 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.95 0.065 0.065 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.409 0.0325 0.0325 Masiero 2011ApJ...741...68M 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
13.95 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
45.26 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
X 0.561 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT