1999 JL91

1999JL91, 1987 YD5, 1987YD5, 53382, J87Y05D, J99J91L

All data for this body: [vot]

MPC data
Name (number) 1999 JL91 (53382)
a 2.92013
e 0.13203
i / sin(i) 17.7641 / 0.30510
q 2.53458
Q 3.30567
ω 6.0340
Node 96.4467
m 183.6784
n 0.1975
Epoch 2460800.5
nobs 2842
nopp 24
Years observed 1987-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.919
ep 0.162
sin(ip) 0.280
G 0.150
H 13.700
Mass
D 5.62 0.437
pV 0.185 0.0673
Value
Rotational Period
Period quality None
Spectral Class K
Spectral Class Score 2.226
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9187 0.1620 0.2800 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.62 0.437 0.437 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.185 0.0673 0.0673 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
13.70 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
K 0.371 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT