Bancelin

08465, 1981 EQ31, 1981EQ31, 1990 WR, 1990WR, J81E31Q, J90W00R

All data for this body: [vot]

MPC data
Name (number) Bancelin (8465)
a 3.16598
e 0.15650
i / sin(i) 6.3907 / 0.11131
q 2.67050
Q 3.66145
ω 266.0170
Node 168.2188
m 26.9860
n 0.1750
Epoch 2460800.5
nobs 2207
nopp 25
Years observed 1981-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.174
ep 0.129
sin(ip) 0.108
G 0.150
H 14.540
Mass
D 7.69 0.103
pV 0.030 0.0017
Value
Rotational Period 219.000
Period quality 2
Spectral Class D
Spectral Class Score 11.276
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1737 0.1291 0.1076 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.58 0.431 0.431 Masiero 2011ApJ...741...68M NEATM
7.70 0.106 0.106 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.030 0.0018 0.0018 Masiero 2011ApJ...741...68M NEATM
0.031 0.0055 0.0055 Masiero 2011ApJ...741...68M 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
14.54 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
219.0 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D 0.23 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.3815 0.4740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.6536 0.4740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D D 0.7675 0.4740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X D 0.7489 0.4740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT