1991 BJ

1991BJ, 06397, 1975 VU3, 1975VU3, 1975 VY9, 1975VY9, 1979 YV9, 1979YV9, 1986 WF1, 1986WF1, J75V03U, J75V09Y, J79Y09V, J86W01F, J91B00J

All data for this body: [vot]

MPC data
Name (number) 1991 BJ (6397)
a 2.34981
e 0.02945
i / sin(i) 4.5553 / 0.07942
q 2.28060
Q 2.41902
ω 357.3217
Node 60.0208
m 249.0826
n 0.2736
Epoch 2460800.5
nobs 4349
nopp 30
Years observed 1950-2025
rms 0.62
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.350
ep 0.043
sin(ip) 0.068
G 0.150
H 13.280
Mass
D 6.30 0.166
pV 0.257 0.0439
Value
Rotational Period 77.238
Period quality 2
Spectral Class S
Spectral Class Score 1.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3496 0.0432 0.0677 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.25 0.170 0.170 Masiero 2011ApJ...741...68M NEATM
7.21 0.920 0.920 Usui 2011PASJ...63.1117U NEATM
7.55 1.510 1.510 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.194 0.0780 0.0780 Ali-Lagoa 2018A&A...612A..85A NEATM
0.285 0.0531 0.0531 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
13.28 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
77.2382 2 Synodic Pal 2020ApJS..247...26P Lightcurve
77.58 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT