1999 JF81

1999JF81, 1986 RJ8, 1986RJ8, 2000 SR23, 2000SR23, 53368, J86R08J, J99J81F, K00S23R

All data for this body: [vot]

MPC data
Name (number) 1999 JF81 (53368)
a 2.71163
e 0.15927
i / sin(i) 12.9355 / 0.22385
q 2.27976
Q 3.14350
ω 48.9708
Node 210.7770
m 287.7120
n 0.2207
Epoch 2460800.5
nobs 3336
nopp 22
Years observed 1986-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent Ino (173)
 
ap 2.713
ep 0.170
sin(ip) 0.231
G 0.150
H 13.650
Mass
D 4.79 0.359
pV 0.486 0.1868
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 11.206
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
173 Ino 0 Ino Novakovic 2019EPSC...13.1671N HCM
173 Ino 522 Ino -1.3000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7134 0.1695 0.2307 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.79 0.359 0.359 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.486 0.1868 0.1868 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
13.65 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 0.966 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9017 0.9017 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT