Somville

02455, 1934 CA1, 1934CA1, 1941 SM1, 1941SM1, 1950 TO4, 1950TO4, 1950 TU, 1950TU, 1952 BT1, 1952BT1, 1959 SM, 1959SM, 1964 VQ, 1964VQ, 1968 QA1, 1968QA1, 1972 NR, 1972NR, 1973 YO, 1973YO, 1979 BB2, 1979BB2, 1979 BO, 1979BO, 1981 PH, 1981PH, 1988 CN1, 1988CN1, J34C01A, J41S01M, J50T00U, J50T04O, J52B01T, J59S00M, J64V00Q, J68Q01A, J72N00R, J73Y00O, J79B00O, J79B02B, J81P00H, J88C01N

All data for this body: [vot]

MPC data
Name (number) Somville (2455)
a 2.72809
e 0.08590
i / sin(i) 7.5319 / 0.13108
q 2.49375
Q 2.96242
ω 115.4116
Node 300.5862
m 156.0806
n 0.2187
Epoch 2460800.5
nobs 8035
nopp 39
Years observed 1934-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.728
ep 0.068
sin(ip) 0.148
G 0.150
H 12.060
Mass
D 16.03 0.130
pV 0.146 0.0092
Value
Rotational Period 2.828
Period quality 3
Spectral Class C
Spectral Class Score 5.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7278 0.0680 0.1485 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
16.10 0.190 0.190 Masiero 2014ApJ...791..121M NEATM
16.70 0.187 0.187 Masiero 2011ApJ...741...68M NEATM
9.25 0.570 0.570 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.134 0.0246 0.0246 Masiero 2011ApJ...741...68M NEATM
0.140 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.432 0.0610 0.0610 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
12.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.828 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
2.82868 2 Sidereal Martikainen 2021A&A...649A..98M Model
2.8287 3 Synodic Franco 2015MPBu...42..198F Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Bus VIS Bus 2002Icar..158..146B SPEC
S P 0.620000 0.160000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC