2009 SY254

2009SY254, K09SP4Y, T6695

All data for this body: [vot]

MPC data
Name (number) 2009 SY254 (296695)
a 2.60813
e 0.21503
i / sin(i) 16.4123 / 0.28255
q 2.04731
Q 3.16895
ω 220.4047
Node 139.8252
m 265.5436
n 0.2340
Epoch 2460800.5
nobs 235
nopp 16
Years observed 2004-2025
rms 0.96
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.608
ep 0.171
sin(ip) 0.260
G 0.150
H 16.370
Mass
D 1.81 0.507
pV 0.196 0.1493
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6082 0.1712 0.2596 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.81 0.507 0.507 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.196 0.1493 0.1493 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
16.37 MPC-2023-12-04 MPC-2023-12-04 Phot