1999 JF18

1999JF18, 66286, J99J18F

All data for this body: [vot]

MPC data
Name (number) 1999 JF18 (66286)
a 2.39308
e 0.19363
i / sin(i) 8.8292 / 0.15349
q 1.92970
Q 2.85646
ω 32.0012
Node 232.5347
m 331.5062
n 0.2662
Epoch 2460800.5
nobs 1924
nopp 21
Years observed 1994-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.394
ep 0.193
sin(ip) 0.162
G 0.150
H 15.420
Mass
D 2.15 0.377
pV 0.382 0.1311
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.330
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3938 0.1932 0.1621 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.15 0.377 0.377 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.382 0.1311 0.1311 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
15.42 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
B S 0.0371 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D S 0.0656 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D S 0.5084 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.1795 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5422 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.0552 0.1670 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT