1990 QJ2

1990QJ2, 18350, 1995 CJ7, 1995CJ7, J90Q02J, J95C07J

All data for this body: [vot]

MPC data
Name (number) 1990 QJ2 (18350)
a 2.19203
e 0.15948
i / sin(i) 1.5436 / 0.02694
q 1.84244
Q 2.54162
ω 1.1653
Node 34.0959
m 209.3179
n 0.3037
Epoch 2460800.5
nobs 1834
nopp 20
Years observed 1990-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.192
ep 0.145
sin(ip) 0.025
G 0.150
H 15.790
Mass
D
pV
Value
Rotational Period 97.780
Period quality 2
Spectral Class S
Spectral Class Score 5.934
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1918 0.1454 0.0245 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.79 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
97.787 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.989 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT