1999 JD90

1999JD90, 2001 QQ267, 2001QQ267, 33658, J99J90D, K01QQ7Q

All data for this body: [vot]

MPC data
Name (number) 1999 JD90 (33658)
a 2.57830
e 0.30914
i / sin(i) 24.0077 / 0.40686
q 1.78125
Q 3.37536
ω 266.2571
Node 202.2305
m 184.0419
n 0.2381
Epoch 2460800.5
nobs 2378
nopp 19
Years observed 1982-2024
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.578
ep 0.234
sin(ip) 0.444
G 0.150
H 15.020
Mass
D 2.39 0.470
pV 0.447 0.1500
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 15.281
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5779 0.2342 0.4444 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.39 0.470 0.470 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.447 0.1500 0.1500 Masiero 2012ApJ...759L...8M 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
15.02 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
A 0.161 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.35 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.5852 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6291 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8826 0.6690 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT