2009 HM20

2009HM20, 2011 UL369, 2011UL369, K09H20M, K11Ua9L, Z9284

All data for this body: [vot]

MPC data
Name (number) 2009 HM20 (359284)
a 2.62217
e 0.12908
i / sin(i) 14.2970 / 0.24695
q 2.28370
Q 2.96063
ω 124.8227
Node 76.7799
m 295.9848
n 0.2321
Epoch 2460800.5
nobs 417
nopp 13
Years observed 2007-2024
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.622
ep 0.165
sin(ip) 0.232
G 0.150
H 16.300
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
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.0700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6219 0.1654 0.2319 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
16.30 MPC-2023-12-04 MPC-2023-12-04 Phot