Bethe

1990 TK4, 1990TK4, 1997 TR2, 1997TR2, 30828, J90T04K, J97T02R

All data for this body: [vot]

MPC data
Name (number) Bethe (30828)
a 2.32353
e 0.12478
i / sin(i) 2.9596 / 0.05163
q 2.03361
Q 2.61345
ω 238.1203
Node 228.4476
m 209.1764
n 0.2783
Epoch 2460800.5
nobs 2061
nopp 24
Years observed 1955-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.323
ep 0.152
sin(ip) 0.065
G 0.150
H 15.470
Mass
D 4.33 0.253
pV 0.085 0.0163
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 3.336
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3232 0.1518 0.0646 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.31 0.832 0.832 Masiero 2017AJ....154..168M NEATM
4.43 0.266 0.266 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.082 0.0168 0.0168 Masiero 2011ApJ...741...68M NEATM
0.130 0.0683 0.0683 Masiero 2017AJ....154..168M 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
15.47 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
B 0.556 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT