1999 TA291

1999TA291, 2001 BB74, 2001BB74, 44847, J99TT1A, K01B74B

All data for this body: [vot]

MPC data
Name (number) 1999 TA291 (44847)
a 2.62575
e 0.12593
i / sin(i) 14.5392 / 0.25104
q 2.29508
Q 2.95642
ω 43.4254
Node 209.8325
m 161.4445
n 0.2316
Epoch 2460800.5
nobs 1820
nopp 21
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.625
ep 0.144
sin(ip) 0.257
G 0.150
H 14.710
Mass
D 3.34 0.218
pV 0.275 0.0348
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 1.428
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6251 0.1438 0.2569 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.33 0.850 0.850 Masiero 2011ApJ...741...68M NEATM
3.34 0.225 0.225 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.275 0.0360 0.0360 Masiero 2011ApJ...741...68M NEATM
0.277 0.1342 0.1342 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
14.71 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
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.238 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT