Francis

02050, 1974 KA, 1974KA, 1975 VE8, 1975VE8, J74K00A, J75V08E

All data for this body: [vot]

MPC data
Name (number) Francis (2050)
a 2.32435
e 0.23821
i / sin(i) 26.6042 / 0.44783
q 1.77066
Q 2.87804
ω 170.8224
Node 72.4500
m 126.5879
n 0.2781
Epoch 2460800.5
nobs 4908
nopp 27
Years observed 1974-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.325
ep 0.307
sin(ip) 0.408
G 0.150
H 12.500
Mass
D 9.40 0.050
pV 0.198 0.0161
Value
Rotational Period 3.060
Period quality 3
Spectral Class S
Spectral Class Score 60.407
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3247 0.3073 0.4080 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.05 0.067 0.067 Masiero 2011ApJ...741...68M NEATM
10.13 1.010 1.010 Ali-Lagoa 2018A&A...612A..85A NEATM
7.56 0.460 0.460 Masiero 2012ApJ...759L...8M NEATM
8.50 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
9.78 0.260 0.260 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.149 0.0252 0.0252 Masiero 2011ApJ...741...68M NEATM
0.187 0.0370 0.0370 Ali-Lagoa 2018A&A...612A..85A NEATM
0.250 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.262 0.0470 0.0470 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
12.50 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.064 2 Synodic Polakis 2020MPBu...47..314P Lightcurve
3.066 3- Synodic Stephens 2020MPBu...47..275S Lightcurve
3.067 3 Synodic Benishek 2021MPBu...48...77B Lightcurve
3.068 3 Synodic Benishek 2021MPBu...48...77B Lightcurve
3.069 2 Synodic Franco 2013MPBu...40..197F Lightcurve
3.069 3 Synodic Benishek 2021MPBu...48...77B Lightcurve
6.136 2 Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.0128 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K Bus VIS Lazzaro 2004Icar..172..179L SPEC
S Bus VIS Carvano 2001Icar..149..173C SPEC
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.990000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S S 0.1903 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7843 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8279 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8363 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9509 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9913 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9978 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9980 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9994 0.8210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT