Viljev

02553, 1899 PG, 1899PG, 1940 CK, 1940CK, 1954 UA1, 1954UA1, 1956 AU, 1956AU, 1968 HT, 1968HT, 1978 EV1, 1978EV1, 1979 FS2, 1979FS2, I99P00G, J40C00K, J54U01A, J56A00U, J68H00T, J78E01V, J79F02S

All data for this body: [vot]

MPC data
Name (number) Viljev (2553)
a 3.08559
e 0.04769
i / sin(i) 5.2498 / 0.09150
q 2.93843
Q 3.23274
ω 251.7238
Node 119.9791
m 15.1588
n 0.1818
Epoch 2460800.5
nobs 7768
nopp 37
Years observed 1940-2025
rms 0.51
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.086
ep 0.020
sin(ip) 0.073
G 0.150
H 11.630
Mass
D 14.14 0.147
pV 0.265 0.0381
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 20.700
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0863 0.0196 0.0729 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.02 0.210 0.210 Masiero 2014ApJ...791..121M NEATM
14.26 0.207 0.207 Masiero 2011ApJ...741...68M NEATM
16.35 10.100 10.100 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.194 0.3130 0.3130 Masiero 2012ApJ...759L...8M NEATM
0.264 0.0499 0.0499 Masiero 2011ApJ...741...68M NEATM
0.270 0.0600 0.0600 Masiero 2014ApJ...791..121M 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
11.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.89 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.987 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.8387 0.9280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9943 0.9280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT