Simonsen

1999 TR156, 1999TR156, 24068, J99TF6R

All data for this body: [vot]

MPC data
Name (number) Simonsen (24068)
a 2.51448
e 0.13647
i / sin(i) 3.6998 / 0.06453
q 2.17132
Q 2.85764
ω 330.6604
Node 59.9511
m 138.6453
n 0.2472
Epoch 2460800.5
nobs 2261
nopp 22
Years observed 1991-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.514
ep 0.087
sin(ip) 0.050
G 0.150
H 14.950
Mass
D 3.64 1.293
pV 0.133 0.1388
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.682
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5143 0.0871 0.0495 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.64 1.293 1.293 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.133 0.1388 0.1388 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
14.95 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 0.947 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT