2009 TN21

2009TN21, K09T21N, p6763

All data for this body: [vot]

MPC data
Name (number) 2009 TN21 (516763)
a 3.17271
e 0.28623
i / sin(i) 27.2668 / 0.45814
q 2.26459
Q 4.08083
ω 300.6933
Node 44.5536
m 302.2333
n 0.1744
Epoch 2460800.5
nobs 289
nopp 10
Years observed 2002-2024
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.171
ep 0.240
sin(ip) 0.454
G 0.150
H 15.850
Mass
D 4.99 0.076
pV 0.049 0.0059
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
31 Euphrosyne 0 Euphrosyne Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1707 0.2396 0.4537 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.99 0.076 0.076 Masiero 2011ApJ...741...68M NEATM
5.02 1.130 1.130 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0150 0.0230 Masiero 2021PSJ.....2..162M NEATM
0.049 0.0062 0.0062 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
15.85 MPC-2023-12-04 MPC-2023-12-04 Phot