Franscini

1999 WQ8, 1999WQ8, 66939, J99W08Q

All data for this body: [vot]

MPC data
Name (number) Franscini (66939)
a 2.96585
e 0.06757
i / sin(i) 10.6286 / 0.18444
q 2.76545
Q 3.16625
ω 273.2649
Node 94.9386
m 44.8523
n 0.1930
Epoch 2460800.5
nobs 1448
nopp 21
Years observed 1999-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 2.965
ep 0.035
sin(ip) 0.166
G 0.150
H 14.540
Mass
D 5.09 0.222
pV 0.156 0.0315
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.568
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 0 Eos Novakovic 2019EPSC...13.1671N HCM
221 Eos 606 Eos -0.5900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9651 0.0345 0.1657 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.09 0.222 0.222 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.156 0.0315 0.0315 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
14.54 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 0.928 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT