2009 AO21

2009AO21, b9121, K09A21O

All data for this body: [vot]

MPC data
Name (number) 2009 AO21 (379121)
a 3.14867
e 0.12401
i / sin(i) 1.1836 / 0.02065
q 2.75820
Q 3.53913
ω 97.8625
Node 41.5470
m 305.0356
n 0.1764
Epoch 2460800.5
nobs 221
nopp 11
Years observed 2007-2024
rms 0.98
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.151
ep 0.141
sin(ip) 0.020
G 0.150
H 16.620
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.0300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1511 0.1405 0.0197 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.62 MPC-2023-12-04 MPC-2023-12-04 Phot