Laocoon

03240, 1976 SA9, 1976SA9, 1976 SL2, 1976SL2, 1978 VG6, 1978VG6, 1978 WS12, 1978WS12, J76S02L, J76S09A, J78V06G, J78W12S

All data for this body: [vot]

MPC data
Name (number) Laocoon (3240)
a 5.21894
e 0.12735
i / sin(i) 2.3366 / 0.04077
q 4.55431
Q 5.88357
ω 16.3853
Node 296.2767
m 58.1930
n 0.0827
Epoch 2460800.5
nobs 3751
nopp 36
Years observed 1976-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 10.280
Mass
D 51.72 0.241
pV 0.059 0.0095
Value
Rotational Period 11.310
Period quality 2+
Spectral Class D
Spectral Class Score 8.890
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
51.69 0.250 0.250 Grav 2012ApJ...759...49G NEATM
52.17 0.910 0.910 Grav 2011ApJ...742...40G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0130 0.0130 Grav 2011ApJ...742...40G NEATM
0.060 0.0140 0.0140 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
10.28 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
11.312 2+ Synodic Mottola 2011AJ....141..170M Lightcurve
11.313 Synodic McNeill 2021PSJ.....2....6M Lightcurve
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
D 0.66 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.9283 0.9283 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT