1998 BH8

1998BH8, 18598, 1982 OL1, 1982OL1, J82O01L, J98B08H

All data for this body: [vot]

MPC data
Name (number) 1998 BH8 (18598)
a 2.67363
e 0.12775
i / sin(i) 11.0359 / 0.19143
q 2.33207
Q 3.01519
ω 164.8999
Node 122.2944
m 305.4862
n 0.2255
Epoch 2460800.5
nobs 4938
nopp 23
Years observed 1982-2025
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.674
ep 0.120
sin(ip) 0.173
G 0.150
H 13.470
Mass
D 8.94 0.139
pV 0.127 0.0310
Value
Rotational Period 9.500
Period quality 2
Spectral Class D
Spectral Class Score 8.651
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6737 0.1198 0.1732 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.94 0.139 0.139 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.127 0.0310 0.0310 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
13.47 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
9.507 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
9.51301 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D 0.56 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.9218 0.9220 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT