1997 AG4

1997AG4, 39740, J97A04G

All data for this body: [vot]

MPC data
Name (number) 1997 AG4 (39740)
a 2.71733
e 0.16813
i / sin(i) 12.4365 / 0.21536
q 2.26046
Q 3.17420
ω 185.1023
Node 304.7021
m 114.0708
n 0.2200
Epoch 2460800.5
nobs 2019
nopp 20
Years observed 1997-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.716
ep 0.210
sin(ip) 0.226
G 0.150
H 14.220
Mass
D 3.54 0.111
pV 0.424 0.0639
Value
Rotational Period 15.615
Period quality 2
Spectral Class S
Spectral Class Score 7.324
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7157 0.2105 0.2257 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.54 0.111 0.111 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.424 0.0639 0.0639 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
14.22 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
15.6156 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
LS 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.4917 0.6280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7289 0.6280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT