1999 TA91

1999TA91, 1995 UE3, 1995UE3, 1998 HE77, 1998HE77, 38476, J95U03E, J98H77E, J99T91A

All data for this body: [vot]

MPC data
Name (number) 1999 TA91 (38476)
a 2.63201
e 0.15594
i / sin(i) 14.6249 / 0.25249
q 2.22158
Q 3.04245
ω 249.5716
Node 30.1576
m 66.3457
n 0.2308
Epoch 2460800.5
nobs 1278
nopp 23
Years observed 1995-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.632
ep 0.140
sin(ip) 0.251
G 0.150
H 14.760
Mass
D 7.11 0.148
pV 0.040 0.0076
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 3.678
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6324 0.1398 0.2509 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.02 1.980 1.980 Masiero 2021PSJ.....2..162M NEATM
6.43 1.810 1.810 Masiero 2021PSJ.....2..162M NEATM
6.76 1.945 1.945 Masiero 2017AJ....154..168M NEATM
7.12 0.149 0.149 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.038 0.0080 0.0080 Masiero 2011ApJ...741...68M NEATM
0.051 0.0333 0.0333 Masiero 2017AJ....154..168M NEATM
0.056 0.0280 0.0570 Masiero 2021PSJ.....2..162M NEATM
0.064 0.0340 0.0730 Masiero 2021PSJ.....2..162M 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
14.76 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 0.613 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X X 0.5065 0.5065 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT