Athene

00881, 1917OD, J17O00D

All data for this body: [vot]

MPC data
Name (number) Athene (881)
Packed designation 00881
a 2.61325
e 0.20569
i / sin(i) 14.1885 / 0.24511
q 2.07574
Q 3.15077
ω 41.4518
Node 277.0166
m 261.0868
n 0.2333
Epoch 2459600.5
nobs 2856
nopp 30
Years observed 1934-2021
rms 0.55
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.612
ep 0.174
sin(ip) 0.259
Value Standard error
G 0.150
H 11.870
Mass
D 12.45 0.058
pV 0.226 0.0169
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6119 0.1742 0.2594 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.04 0.280 0.280 Usui 2011PASJ...63.1117U NEATM
12.15 0.100 0.100 Masiero 2014ApJ...791..121M NEATM
12.37 0.290 0.290 Masiero 2012ApJ...759L...8M NEATM
12.51 1.250 1.250 Ali-Lagoa 2018A&A...612A..85A NEATM
12.56 2.510 2.510 Ali-Lagoa 2018A&A...612A..85A NEATM
12.67 0.077 0.077 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.211 0.0234 0.0234 Masiero 2011ApJ...741...68M NEATM
0.240 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM
0.241 0.0440 0.0440 Masiero 2012ApJ...759L...8M NEATM
0.245 0.0980 0.0980 Ali-Lagoa 2018A&A...612A..85A NEATM
0.247 0.0490 0.0490 Ali-Lagoa 2018A&A...612A..85A NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.87 MPC-2022-01-18 MPC-2022-01-18 Phot