1999 TD99

1999TD99, 40843, J99T99D

All data for this body: [vot]

MPC data
Name (number) 1999 TD99 (40843)
a 2.36697
e 0.20379
i / sin(i) 6.8964 / 0.12008
q 1.88460
Q 2.84934
ω 164.7591
Node 114.8789
m 83.4203
n 0.2707
Epoch 2460800.5
nobs 1826
nopp 20
Years observed 1998-2024
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.368
ep 0.192
sin(ip) 0.102
G 0.150
H 15.660
Mass
D 2.20 0.369
pV 0.333 0.0762
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.875
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3678 0.1915 0.1021 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.20 0.369 0.369 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.333 0.0762 0.0762 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
15.66 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 S 0.9792 0.9792 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT