Athene

00881, 1917 OD, 1917OD, J17O00D

All data for this body: [vot]

MPC data
Name (number) Athene (881)
a 2.61104
e 0.20759
i / sin(i) 14.2102 / 0.24548
q 2.06901
Q 3.15307
ω 41.4162
Node 276.9474
m 181.1602
n 0.2336
Epoch 2460800.5
nobs 7126
nopp 33
Years observed 1934-2025
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.612
ep 0.174
sin(ip) 0.259
G 0.150
H 11.910
Mass
D 12.45 0.058
pV 0.226 0.0169
Value
Rotational Period 13.890
Period quality 3-
Spectral Class S
Spectral Class Score 17.180
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-Nov-2024
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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

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

Value Quality Side real or Synodic Author Reference Method
13.881 2+ Synodic Behrend LCDB Lightcurve
13.8942 2 Sidereal Durech 2023A&A...675A..24D Model
13.8943 2 Sidereal Hanus 2016A&A...586A.108H Model
13.89449 2 Sidereal Durech 2016A&A...587A..48D Model
13.895 3- Synodic Behrend LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
L 0.73 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.7160 0.7160 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S Tholen VIS Lazzaro 2004Icar..172..179L SPEC
S 0.880 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.980000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
SI Bus VIS Lazzaro 2004Icar..172..179L SPEC