1991 WA

1991WA, 08176, J91W00A

All data for this body: [vot]

MPC data
Name (number) 1991 WA (8176)
a 1.57488
e 0.64316
i / sin(i) 39.5938 / 0.63734
q 0.56199
Q 2.58778
ω 241.8791
Node 66.5052
m 0.5863
n 0.4987
Epoch 2460800.5
nobs 812
nopp 31
Years observed 1991-2025
rms 0.89
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 17.010
Mass
D 0.93 0.320
pV 0.346 0.2760
Value
Rotational Period 7.110
Period quality 3
Spectral Class Q
Spectral Class Score 12.000
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.93 0.320 0.320 Masiero 2020PSJ.....1....5M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.346 0.2760 0.2760 Masiero 2020PSJ.....1....5M 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
17.01 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
7.111 3 Synodic Pravec LCDB Lightcurve
7.13 2+ Synodic Warner 2015MPBu...42..256W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q Bus VIS Bus 2002Icar..158..146B SPEC
Q Bus VISNIR Binzel 2004Icar..170..259B SPEC
R S 0.510000 0.460000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC
S Tholen VIS Xu 1995Icar..115....1X SPEC
S Q 0.760000 0.240000 Mahlke VIS Mahlke 2022A&A...665A..26M SPEC