1991 AJ

1991AJ, 07522, J91A00J

All data for this body: [vot]

MPC data
Name (number) 1991 AJ (7522)
a 3.20367
e 0.17001
i / sin(i) 10.3657 / 0.17993
q 2.65900
Q 3.74834
ω 358.5122
Node 111.8286
m 5.7935
n 0.1719
Epoch 2460800.5
nobs 4841
nopp 29
Years observed 1951-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.221
ep 0.163
sin(ip) 0.153
G 0.150
H 12.760
Mass
D
pV
Value
Rotational Period 60.400
Period quality 2
Spectral Class X
Spectral Class Score 14.478
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2209 0.1634 0.1535 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
12.76 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
59.371 2 Synodic Pal 2020ApJS..247...26P Lightcurve
60.405 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
60.91 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
X 0.569 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
X 0.83 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.7479 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.8195 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT