1989 AT

1989AT, 09747, 1994 AA, 1994AA, J89A00T, J94A00A

All data for this body: [vot]

MPC data
Name (number) 1989 AT (9747)
a 3.02512
e 0.12462
i / sin(i) 13.2707 / 0.22955
q 2.64812
Q 3.40212
ω 355.9002
Node 99.8406
m 328.1274
n 0.1873
Epoch 2460800.5
nobs 3361
nopp 26
Years observed 1989-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.028
ep 0.125
sin(ip) 0.205
G 0.150
H 13.190
Mass
D 9.19 0.062
pV 0.140 0.0202
Value
Rotational Period 13.472
Period quality 2
Spectral Class X
Spectral Class Score 7.186
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0283 0.1253 0.2049 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.19 0.062 0.062 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.140 0.0202 0.0202 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
13.19 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
13.4722 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
K X 0.3137 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K X 0.4127 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L 0.89 Bus VIS Carvano 2010A&A...510A..43C PHOT
S X 0.4010 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S X 0.4930 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X X 0.8644 0.3770 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT