Actor

12238, 1986 WW8, 1986WW8, 1987 YU1, 1987YU1, J86W08W, J87Y01U

All data for this body: [vot]

MPC data
Name (number) Actor (12238)
a 5.18023
e 0.12447
i / sin(i) 21.0849 / 0.35975
q 4.53543
Q 5.82503
ω 178.6177
Node 227.5663
m 102.3060
n 0.0836
Epoch 2460800.5
nobs 3630
nopp 28
Years observed 1986-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 10.930
Mass
D 34.36 0.586
pV 0.079 0.0108
Value
Rotational Period 7.280
Period quality 2
Spectral Class D
Spectral Class Score 4.753
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
30.25 4.840 4.840 Grav 2012ApJ...759...49G NEATM
34.42 0.590 0.590 Grav 2011ApJ...742...40G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.071 0.0140 0.0140 Grav 2011ApJ...742...40G NEATM
0.092 0.0170 0.0170 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
10.93 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.28 2 Synodic Melita 2010P&SS...58.1035M Lightcurve
7.28 2 Synodic Ryan 2017AJ....153..116R Lightcurve
7.281 2 Synodic Szabo 2017A&A...599A..44S Lightcurve
7.284 2 Synodic Duffard 2008LPICo1405.8187D Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D D 0.7922 0.4330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L D 0.2430 0.4330 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT