Poseidon

04341, 1987 KF, 1987KF, J87K00F

All data for this body: [vot]

MPC data
Name (number) Poseidon (4341)
a 1.83431
e 0.68004
i / sin(i) 11.8398 / 0.20518
q 0.58691
Q 3.08171
ω 15.8301
Node 108.0237
m 123.3709
n 0.3967
Epoch 2460800.5
nobs 807
nopp 25
Years observed 1987-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 16.080
Mass
D 3.18 0.651
pV 0.054 0.0535
Value
Rotational Period 6.260
Period quality 2
Spectral Class R
Spectral Class Score 18.000
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.18 0.651 0.651 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.054 0.0535 0.0535 Masiero 2017AJ....154..168M 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
16.08 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
6.262 2 Synodic Pravec 1998Icar..136..124P Lightcurve
6.2656 2 Synodic Krugly 2002Icar..158..294K Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
O Bus VIS Binzel 2019Icar..324...41B SPEC
O Bus VIS Bus 2002Icar..158..146B SPEC
O Bus VISNIR Binzel 2004Icar..170..259B SPEC
R Bus-DeMeo NIR Marsset 2022AJ....163..165M SPEC
S Q 0.550000 0.420000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC