1999 TU20

1999TU20, a0220, J99T20U

All data for this body: [vot]

MPC data
Name (number) 1999 TU20 (360220)
a 2.44544
e 0.21655
i / sin(i) 10.1841 / 0.17681
q 1.91588
Q 2.97500
ω 172.4058
Node 197.4454
m 250.9891
n 0.2577
Epoch 2460800.5
nobs 546
nopp 14
Years observed 1999-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.445
ep 0.185
sin(ip) 0.175
G 0.150
H 17.230
Mass
D 2.04 0.590
pV 0.061 0.0510
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.629
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4446 0.1855 0.1753 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.04 0.590 0.590 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.061 0.0510 0.0510 Masiero 2020PSJ.....1....5M 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
17.23 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
C 0.821 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.1171 0.1171 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT