1998 BK8

1998BK8, 18599, 1995 JR1, 1995JR1, J95J01R, J98B08K

All data for this body: [vot]

MPC data
Name (number) 1998 BK8 (18599)
a 2.28159
e 0.09702
i / sin(i) 3.5605 / 0.06210
q 2.06024
Q 2.50294
ω 98.3620
Node 84.3748
m 290.6726
n 0.2860
Epoch 2460800.5
nobs 2469
nopp 20
Years observed 1995-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.281
ep 0.141
sin(ip) 0.051
G 0.150
H 15.090
Mass
D 2.81 0.838
pV 0.169 0.1168
Value
Rotational Period 10.640
Period quality 2
Spectral Class S
Spectral Class Score 20.113
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
44 Nysa 405 Nysa-Polana -1.6400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2810 0.1409 0.0507 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.81 0.838 0.838 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.169 0.1168 0.1168 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
15.09 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
10.644 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Ds Ds None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.69 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8144 0.9270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9827 0.9270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9918 0.9270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT