1998 BQ8

1998BQ8, 1991 JT4, 1991JT4, 37822, J91J04T, J98B08Q

All data for this body: [vot]

MPC data
Name (number) 1998 BQ8 (37822)
a 2.40319
e 0.13569
i / sin(i) 6.1793 / 0.10764
q 2.07711
Q 2.72926
ω 75.9042
Node 129.3119
m 64.9109
n 0.2646
Epoch 2460800.5
nobs 1420
nopp 22
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.403
ep 0.168
sin(ip) 0.098
G 0.150
H 15.580
Mass
D 1.91 0.260
pV 0.307 0.0899
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.076
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4027 0.1675 0.0980 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.91 0.260 0.260 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.307 0.0899 0.0899 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
15.58 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT
S 0.334 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.1012 0.5260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5775 0.5260 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT