Yakushimaru

08940, 1990 VT15, 1990VT15, 1995 UZ49, 1995UZ49, 1997 BA2, 1997BA2, J90V15T, J95U49Z, J97B02A

All data for this body: [vot]

MPC data
Name (number) Yakushimaru (8940)
a 2.93028
e 0.03629
i / sin(i) 3.1186 / 0.05440
q 2.82394
Q 3.03661
ω 223.3798
Node 103.0337
m 32.9119
n 0.1965
Epoch 2460800.5
nobs 3902
nopp 26
Years observed 1983-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.931
ep 0.023
sin(ip) 0.034
G 0.150
H 13.220
Mass
D 7.10 0.770
pV 0.221 0.0540
Value
Rotational Period 7.021
Period quality 2
Spectral Class S
Spectral Class Score 6.406
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9313 0.0229 0.0344 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.10 0.770 0.770 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.221 0.0540 0.0540 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
13.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.0217 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.901 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT