1999 JB31

1999JB31, 1999 KH9, 1999KH9, 2000 QS201, 2000QS201, 35794, J99J31B, J99K09H, K00QK1S

All data for this body: [vot]

MPC data
Name (number) 1999 JB31 (35794)
a 2.25410
e 0.11640
i / sin(i) 4.8910 / 0.08526
q 1.99172
Q 2.51648
ω 81.8759
Node 32.9184
m 342.7494
n 0.2912
Epoch 2460800.5
nobs 1815
nopp 18
Years observed 1997-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent Flora (8)
 
ap 2.255
ep 0.159
sin(ip) 0.086
G 0.150
H 15.670
Mass
D 2.33 0.494
pV 0.170 0.0284
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.650
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
8 Flora 402 Flora 0.2500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2548 0.1585 0.0856 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.33 0.494 0.494 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.170 0.0284 0.0284 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
15.67 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 0.775 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT