1999 TT89

1999TT89, 38475, J99T89T

All data for this body: [vot]

MPC data
Name (number) 1999 TT89 (38475)
a 3.06404
e 0.19952
i / sin(i) 11.7127 / 0.20300
q 2.45270
Q 3.67538
ω 293.1768
Node 28.3152
m 309.1068
n 0.1838
Epoch 2460800.5
nobs 1996
nopp 22
Years observed 1998-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.066
ep 0.169
sin(ip) 0.203
G 0.150
H 13.850
Mass
D 8.95 0.189
pV 0.076 0.0239
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0656 0.1685 0.2026 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.94 1.960 1.960 Nugent 2016AJ....152...63N NEATM
8.95 0.190 0.190 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM
0.080 0.0298 0.0298 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
13.85 MPC-2023-12-04 MPC-2023-12-04 Phot