Somme

07399, 1965 UU, 1965UU, 1972 VH1, 1972VH1, 1987 BC2, 1987BC2, 1989 SV, 1989SV, 2017 UY86, 2017UY86, J65U00U, J72V01H, J87B02C, J89S00V, K17U86Y

All data for this body: [vot]

MPC data
Name (number) Somme (7399)
a 2.27936
e 0.19763
i / sin(i) 3.8665 / 0.06743
q 1.82888
Q 2.72984
ω 120.5114
Node 273.9854
m 107.1982
n 0.2864
Epoch 2460800.5
nobs 3699
nopp 28
Years observed 1951-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.280
ep 0.173
sin(ip) 0.081
G 0.150
H 14.040
Mass
D 4.73 0.100
pV 0.238 0.0190
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 10.964
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2799 0.1730 0.0813 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.73 0.100 0.100 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.238 0.0190 0.0190 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
14.04 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 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9974 0.9974 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT