1999 TQ228

1999TQ228, 1992 EP29, 1992EP29, 1999 TL326, 1999TL326, 40949, J92E29P, J99TM8Q, J99TW6L

All data for this body: [vot]

MPC data
Name (number) 1999 TQ228 (40949)
a 2.81474
e 0.11346
i / sin(i) 3.8262 / 0.06673
q 2.49538
Q 3.13409
ω 304.0633
Node 48.4141
m 174.4683
n 0.2087
Epoch 2460800.5
nobs 1331
nopp 21
Years observed 1992-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.817
ep 0.076
sin(ip) 0.056
G 0.150
H 15.120
Mass
D 5.91 0.363
pV 0.067 0.0096
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.820
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8167 0.0762 0.0555 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.91 0.363 0.363 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0096 0.0096 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
15.12 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 0.25 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.2200 0.2200 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT