Simoeisios

2000 RN81, 2000RN81, 2131 T-3, 2131T-3, 32720, K00R81N, T3S2131

All data for this body: [vot]

MPC data
Name (number) Simoeisios (32720)
a 5.19365
e 0.01494
i / sin(i) 7.5055 / 0.13062
q 5.11608
Q 5.27123
ω 26.8033
Node 247.9914
m 108.5727
n 0.0833
Epoch 2460800.5
nobs 1360
nopp 25
Years observed 1977-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 12.090
Mass
D 21.13 0.660
pV 0.099 0.0170
Value
Rotational Period 8.950
Period quality 2
Spectral Class D
Spectral Class Score 7.108
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
21.13 0.660 0.660 Grav 2011ApJ...742...40G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.099 0.0170 0.0170 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
12.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
8.951 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
8.9555 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
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
K DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
D 0.10 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.8180 0.8180 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT