2009 YF4

2009YF4, 2001 QJ313, 2001QJ313, K01QV3J, K09Y04F, N9746

All data for this body: [vot]

MPC data
Name (number) 2009 YF4 (239746)
a 3.15822
e 0.13897
i / sin(i) 4.4921 / 0.07832
q 2.71931
Q 3.59713
ω 225.9671
Node 314.6087
m 212.8754
n 0.1756
Epoch 2460800.5
nobs 302
nopp 17
Years observed 2001-2024
rms 0.92
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.168
ep 0.154
sin(ip) 0.099
G 0.150
H 15.920
Mass
D 3.22 1.284
pV 0.089 0.0823
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
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1685 0.1545 0.0987 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.22 1.284 1.284 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.089 0.0823 0.0823 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
15.92 MPC-2023-12-04 MPC-2023-12-04 Phot