Belenus

11284, 1990 BA, 1990BA, J90B00A

All data for this body: [vot]

MPC data
Name (number) Belenus (11284)
a 1.74024
e 0.33729
i / sin(i) 1.9916 / 0.03475
q 1.15328
Q 2.32721
ω 171.1548
Node 311.7028
m 130.2479
n 0.4293
Epoch 2460800.5
nobs 769
nopp 13
Years observed 1990-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 18.250
Mass
D
pV
Value
Rotational Period 5.400
Period quality 2+
Spectral Class Q
Spectral Class Score 50.000
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
18.25 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.43 2+ Synodic Hicks 2013ATel.4969....1H Lightcurve
5.7 2- Synodic Hasegawa 2018PASJ...70..114H 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-DeMeo NIR Binzel 2019Icar..324...41B SPEC
Q Bus-DeMeo VISNIR Hasegawa 2018PASJ...70..114H SPEC+PHOT
Q Tholen VIS Hasegawa 2018PASJ...70..114H PHOT
S Bus VIS Lin 2018P&SS..152..116L PHOT
S 0.996 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S R 0.700000 0.290000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC