2009 YL4

2009YL4, 2003 XR17, 2003XR17, b2726, K03X17R, K09Y04L

All data for this body: [vot]

MPC data
Name (number) 2009 YL4 (372726)
a 3.08489
e 0.05434
i / sin(i) 9.3687 / 0.16279
q 2.91724
Q 3.25254
ω 258.7228
Node 98.1893
m 53.3473
n 0.1819
Epoch 2460800.5
nobs 422
nopp 15
Years observed 2003-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.084
ep 0.029
sin(ip) 0.143
G 0.150
H 15.510
Mass
D 4.79 0.497
pV 0.059 0.0114
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.561
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0837 0.0289 0.1428 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.79 0.497 0.497 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0114 0.0114 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
15.51 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X X 0.2601 0.2601 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT