2009 JL4

2009JL4, K09J04L, Q3963

All data for this body: [vot]

MPC data
Name (number) 2009 JL4 (263963)
a 2.55244
e 0.27555
i / sin(i) 0.9311 / 0.01625
q 1.84912
Q 3.25576
ω 82.1505
Node 230.2370
m 287.9742
n 0.2417
Epoch 2460800.5
nobs 457
nopp 18
Years observed 1993-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.551
ep 0.253
sin(ip) 0.033
G 0.150
H 16.500
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.732
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5515 0.2525 0.0334 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
16.50 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
S 0.622 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.2971 0.2971 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT