Ishii

08167, 1987 BP2, 1987BP2, 1991 CM3, 1991CM3, J87B02P, J91C03M

All data for this body: [vot]

MPC data
Name (number) Ishii (8167)
a 2.42957
e 0.13219
i / sin(i) 4.5605 / 0.07951
q 2.10840
Q 2.75073
ω 298.8224
Node 127.3205
m 88.4321
n 0.2603
Epoch 2460800.5
nobs 4159
nopp 27
Years observed 1951-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.430
ep 0.129
sin(ip) 0.069
G 0.150
H 13.620
Mass
D 5.55 0.191
pV 0.250 0.0269
Value
Rotational Period 3.175
Period quality 3
Spectral Class S
Spectral Class Score 5.994
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4304 0.1288 0.0686 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.55 0.191 0.191 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.250 0.0269 0.0269 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
13.62 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.17533 3 Synodic Pravec LCDB Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT