Virkki

10278, 1981 EW30, 1981EW30, 1982 SF12, 1982SF12, 1982 SS12, 1982SS12, 1997 GP15, 1997GP15, J81E30W, J82S12F, J82S12S, J97G15P

All data for this body: [vot]

MPC data
Name (number) Virkki (10278)
a 2.15731
e 0.17394
i / sin(i) 0.9306 / 0.01624
q 1.78207
Q 2.53256
ω 175.1923
Node 171.0208
m 170.0403
n 0.3111
Epoch 2460800.5
nobs 2896
nopp 22
Years observed 1981-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.158
ep 0.111
sin(ip) 0.024
G 0.150
H 15.210
Mass
D 2.68 0.332
pV 0.215 0.0638
Value
Rotational Period 120.000
Period quality 2+
Spectral Class Sw
Spectral Class Score 21.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1578 0.1114 0.0244 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.65 0.380 0.380 Masiero 2012ApJ...759L...8M NEATM
2.77 0.684 0.684 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.192 0.1016 0.1016 Masiero 2011ApJ...741...68M NEATM
0.230 0.0820 0.0820 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
15.21 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
120.3 2+ Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L S 0.2589 0.4430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.954 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5301 0.4430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6159 0.4430 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Sw Bus-DeMeo VISNIR Hasegawa 2024AJ....167..224H SPEC