1999 JK80

1999JK80, 19558, J99J80K

All data for this body: [vot]

MPC data
Name (number) 1999 JK80 (19558)
a 2.40759
e 0.11704
i / sin(i) 12.1967 / 0.21127
q 2.12581
Q 2.68937
ω 22.2919
Node 105.3099
m 76.1378
n 0.2638
Epoch 2460800.5
nobs 3507
nopp 23
Years observed 1950-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.408
ep 0.164
sin(ip) 0.197
G 0.150
H 14.090
Mass
D 6.41 0.064
pV 0.074 0.0067
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 8.266
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4076 0.1644 0.1972 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.95 1.830 1.830 Masiero 2020PSJ.....1....5M NEATM
6.33 0.075 0.075 Masiero 2011ApJ...741...68M NEATM
6.63 0.120 0.120 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.069 0.0089 0.0089 Masiero 2011ApJ...741...68M NEATM
0.080 0.0103 0.0103 Masiero 2011ApJ...741...68M NEATM
0.136 0.0960 0.0960 Masiero 2020PSJ.....1....5M 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
14.09 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
DL 0.45 Bus VIS Carvano 2010A&A...510A..43C PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.284 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L L 0.7603 0.7600 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT