1999 TW30

1999TW30, 2001 GY9, 2001GY9, 74835, J99T30W, K01G09Y

All data for this body: [vot]

MPC data
Name (number) 1999 TW30 (74835)
a 2.38699
e 0.16328
i / sin(i) 0.9859 / 0.01721
q 1.99725
Q 2.77674
ω 142.5619
Node 308.1181
m 278.3731
n 0.2673
Epoch 2460800.5
nobs 1350
nopp 19
Years observed 1997-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.387
ep 0.177
sin(ip) 0.030
G 0.150
H 16.170
Mass
D 2.12 0.401
pV 0.143 0.0471
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3869 0.1767 0.0304 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.12 0.401 0.401 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.143 0.0471 0.0471 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
16.17 MPC-2023-12-04 MPC-2023-12-04 Phot