1999 TA123

1999TA123, 1998 HQ67, 1998HQ67, 40875, J98H67Q, J99TC3A

All data for this body: [vot]

MPC data
Name (number) 1999 TA123 (40875)
a 2.54703
e 0.22782
i / sin(i) 2.7286 / 0.04761
q 1.96677
Q 3.12729
ω 347.7163
Node 345.3414
m 133.8691
n 0.2425
Epoch 2460800.5
nobs 2069
nopp 22
Years observed 1995-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.546
ep 0.191
sin(ip) 0.058
G 0.150
H 14.970
Mass
D 3.04 0.646
pV 0.229 0.1284
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.612
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5459 0.1914 0.0577 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.04 0.646 0.646 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.229 0.1284 0.1284 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
14.97 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 0.29 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8386 0.8350 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V 0.930 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT