1999 TD173

1999TD173, 42969, J99TH3D

All data for this body: [vot]

MPC data
Name (number) 1999 TD173 (42969)
a 2.59362
e 0.07756
i / sin(i) 5.5901 / 0.09741
q 2.39246
Q 2.79478
ω 196.1227
Node 85.8613
m 150.9793
n 0.2360
Epoch 2460800.5
nobs 2162
nopp 22
Years observed 1991-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.592
ep 0.070
sin(ip) 0.086
G 0.150
H 14.870
Mass
D 2.78 0.568
pV 0.275 0.1842
Value
Rotational Period 2.905
Period quality 2
Spectral Class S
Spectral Class Score 10.038
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5921 0.0697 0.0857 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.78 0.568 0.568 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.275 0.1842 0.1842 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
14.87 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.90502 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.65 Bus VIS Carvano 2010A&A...510A..43C PHOT
S Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9564 0.9564 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT