2009 CT21

2009CT21, K09C21T, U9839

All data for this body: [vot]

MPC data
Name (number) 2009 CT21 (309839)
a 2.41975
e 0.14969
i / sin(i) 1.5596 / 0.02722
q 2.05754
Q 2.78196
ω 73.5327
Node 172.7694
m 20.3885
n 0.2618
Epoch 2460800.5
nobs 256
nopp 17
Years observed 1999-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.418
ep 0.159
sin(ip) 0.029
G 0.150
H 17.570
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
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia 0.1400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4179 0.1589 0.0293 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
17.57 MPC-2023-12-04 MPC-2023-12-04 Phot