1999 TD121

1999TD121, 70533, J99TC1D

All data for this body: [vot]

MPC data
Name (number) 1999 TD121 (70533)
a 2.41417
e 0.08900
i / sin(i) 6.9571 / 0.12113
q 2.19930
Q 2.62904
ω 276.3834
Node 185.6640
m 218.2164
n 0.2628
Epoch 2460800.5
nobs 2018
nopp 20
Years observed 1998-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.414
ep 0.111
sin(ip) 0.127
G 0.150
H 15.210
Mass
D 2.81 0.805
pV 0.204 0.0761
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.681
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4137 0.1112 0.1265 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.81 0.805 0.805 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.0761 0.0761 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
15.21 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.64 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.4001 0.4001 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT