1999 TU44

1999TU44, 1999 TZ326, 1999TZ326, D4584, J99T44U, J99TW6Z

All data for this body: [vot]

MPC data
Name (number) 1999 TU44 (134584)
a 2.36316
e 0.21891
i / sin(i) 2.5756 / 0.04494
q 1.84585
Q 2.88047
ω 145.4818
Node 236.8979
m 12.7941
n 0.2713
Epoch 2460800.5
nobs 656
nopp 17
Years observed 1999-2024
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.363
ep 0.189
sin(ip) 0.060
G 0.150
H 16.960
Mass
D 2.72 0.027
pV 0.057 0.0078
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 7.571
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3632 0.1891 0.0605 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.50 0.059 0.059 Masiero 2011ApJ...741...68M NEATM
2.72 0.800 0.800 Masiero 2020PSJ.....1....5M NEATM
2.78 0.030 0.030 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.046 0.0510 0.0510 Masiero 2020PSJ.....1....5M NEATM
0.047 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM
0.065 0.0105 0.0105 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
16.96 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
B DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
B B 0.4231 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B B 0.5054 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C B 0.3616 0.4550 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT