2009 SD221

2009SD221, K09SM1D, p5020

All data for this body: [vot]

MPC data
Name (number) 2009 SD221 (515020)
a 3.10521
e 0.18918
i / sin(i) 5.4993 / 0.09583
q 2.51776
Q 3.69266
ω 26.6273
Node 243.2041
m 261.7296
n 0.1801
Epoch 2460200.5
nobs 144
nopp 9
Years observed 1998-2021
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.112
ep 0.196
sin(ip) 0.109
Value Standard error
G 0.150
H 16.730
Mass
D
pV
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1120 0.1964 0.1094 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
16.73 MPC-2023-12-04 MPC-2023-12-04 Phot