2004 BK42

2004BK42, K04B42K, L3991

All data for this body: [vot]

MPC data
Name (number) 2004 BK42 (213991)
a 2.77017
e 0.20081
i / sin(i) 5.0402 / 0.08786
q 2.21390
Q 3.32644
ω 230.5562
Node 303.3257
m 193.6526
n 0.2138
Epoch 2460800.5
nobs 469
nopp 16
Years observed 2002-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.771
ep 0.240
sin(ip) 0.110
G 0.150
H 16.060
Mass
D
pV
Value
Rotational Period 4.600
Period quality 2-
Spectral Class B
Spectral Class Score 4.488
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7706 0.2401 0.1103 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.06 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.61 2- Synodic Chang 2014ApJ...788...17C Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B 0.748 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
C C 0.0151 0.0040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.0244 0.0040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S C 0.0209 0.0040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V C 0.0126 0.0040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V C 0.0249 0.0040 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT