Cheshirecat

06042, 1990 WW2, 1990WW2, J90W02W

All data for this body: [vot]

MPC data
Name (number) Cheshirecat (6042)
a 3.04148
e 0.45674
i / sin(i) 15.8813 / 0.27365
q 1.65231
Q 4.43065
ω 286.2098
Node 88.5690
m 195.7083
n 0.1858
Epoch 2460800.5
nobs 2352
nopp 29
Years observed 1979-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.055
ep 0.362
sin(ip) 0.305
G 0.150
H 13.050
Mass
D 14.10 0.196
pV 0.068 0.0099
Value
Rotational Period 10.000
Period quality 3-
Spectral Class K
Spectral Class Score 7.694
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0549 0.3621 0.3046 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.00 2.000 2.000 Ali-Lagoa 2017A&A...603A..55A NEATM
13.75 1.380 1.380 Ali-Lagoa 2018A&A...612A..85A NEATM
14.10 2.100 2.100 Ali-Lagoa 2017A&A...603A..55A NEATM
14.12 0.200 0.200 Usui 2011PASJ...63.1117U NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0200 0.0200 Ali-Lagoa 2017A&A...603A..55A NEATM
0.070 0.0200 0.0200 Ali-Lagoa 2017A&A...603A..55A NEATM
0.071 0.0140 0.0140 Ali-Lagoa 2018A&A...612A..85A 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
13.05 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.049 3- Synodic Folberth 2012MPBu...39...51F Lightcurve
10.05 3- Synodic Stephens 2012MPBu...39...80S 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 0.5781 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
K Bus VIS Binzel 2019Icar..324...41B PHOT
K DeMeo-Carry VIS Carry PHOT
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
K D 0.2823 0.3070 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT
XL 0.29 Bus VIS Carvano 2010A&A...510A..43C PHOT