Memnon

02895, 1981 AE1, 1981AE1, 1981 CL, 1981CL, J81A01E, J81C00L

All data for this body: [vot]

MPC data
Name (number) Memnon (2895)
a 5.24046
e 0.04945
i / sin(i) 27.2087 / 0.45724
q 4.98131
Q 5.49961
ω 275.7114
Node 133.9655
m 335.7141
n 0.0822
Epoch 2460800.5
nobs 4149
nopp 33
Years observed 1977-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 10.050
Mass
D 56.62 0.196
pV 0.063 0.0109
Value
Rotational Period 7.510
Period quality 3
Spectral Class P
Spectral Class Score 13.720
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
54.58 0.940 0.940 Grav 2011ApJ...742...40G NEATM
56.71 0.200 0.200 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0160 0.0160 Grav 2012ApJ...759...49G NEATM
0.065 0.0150 0.0150 Grav 2011ApJ...742...40G 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
10.05 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.0 1 Synodic Behrend LCDB Lightcurve
7.5 2 Synodic Binzel 1992Icar...95..222B Lightcurve
7.502 3- Synodic Mottola 2011AJ....141..170M Lightcurve
7.509 2+ Synodic Stephens 2016MPBu...43..265S Lightcurve
7.516 3 Synodic Stephens 2018MPBu...45..343S Lightcurve
7.516 3 Synodic Stephens 2021MPBu...48..394P Lightcurve
7.51988 2 Sidereal Durech 2020A&A...643A..59D Model
7.52 Synodic McNeill 2021PSJ.....2....6M Lightcurve
7.52 2+ Synodic Stephens 2017MPBu...44..252S Lightcurve
7.523 3 Synodic Stephens 2021MPBu...48..394P Lightcurve
7.55 2 Synodic Stephens 2015MPBu...42R.216S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
C Jewitt-Luu VIS Bendjoya 2004Icar..168..374B SPEC
P 0.960000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
P 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X 0.772 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT