Lycomedes

09694, 1990 DY1, 1990DY1, 6581 P-L, 6581P-L, J90D01Y, PLS6581

All data for this body: [vot]

MPC data
Name (number) Lycomedes (9694)
a 5.07150
e 0.03549
i / sin(i) 4.9524 / 0.08633
q 4.89149
Q 5.25151
ω 60.4376
Node 349.9272
m 83.7580
n 0.0863
Epoch 2460800.5
nobs 4057
nopp 28
Years observed 1960-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 10.780
Mass
D 31.74 0.240
pV 0.101 0.0100
Value
Rotational Period 18.000
Period quality 2
Spectral Class X
Spectral Class Score 4.464
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
31.74 0.240 0.240 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.101 0.0100 0.0100 Grav 2012ApJ...759...49G 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
10.78 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.09 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
18.1093 2 Sidereal Durech 2019A&A...631A...2D Model
18.2 2 Synodic French 2012MPBu...39..183F Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.744 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT