1999 TW177

1999TW177, 1995 UD60, 1995UD60, 74943, J95U60D, J99TH7W

All data for this body: [vot]

MPC data
Name (number) 1999 TW177 (74943)
a 2.44914
e 0.19878
i / sin(i) 2.0569 / 0.03589
q 1.96230
Q 2.93597
ω 244.4474
Node 95.5066
m 281.4128
n 0.2571
Epoch 2460800.5
nobs 1083
nopp 19
Years observed 1993-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.449
ep 0.164
sin(ip) 0.018
G 0.150
H 16.280
Mass
D 3.25 0.183
pV 0.067 0.0157
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4491 0.1641 0.0184 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.25 0.183 0.183 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.067 0.0157 0.0157 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
16.28 MPC-2023-12-04 MPC-2023-12-04 Phot