Helvetia

2001 FS166, 2001FS166, 2002 SU19, 2002SU19, B3390, K01FG6S, K02S19U

All data for this body: [vot]

MPC data
Name (number) Helvetia (113390)
a 2.30196
e 0.20403
i / sin(i) 7.3664 / 0.12821
q 1.83229
Q 2.77163
ω 8.8789
Node 298.3689
m 214.2437
n 0.2822
Epoch 2460800.5
nobs 1422
nopp 22
Years observed 1960-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.303
ep 0.164
sin(ip) 0.134
G 0.150
H 15.710
Mass
D 2.20 0.360
pV 0.231 0.1032
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3028 0.1638 0.1342 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.20 0.360 0.360 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.231 0.1032 0.1032 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
15.71 MPC-2023-12-04 MPC-2023-12-04 Phot