1994 PK18

1994PK18, 1999 SJ4, 1999SJ4, 37658, J94P18K, J99S04J

All data for this body: [vot]

MPC data
Name (number) 1994 PK18 (37658)
a 2.84645
e 0.16195
i / sin(i) 4.6193 / 0.08053
q 2.38548
Q 3.30742
ω 341.2203
Node 333.0451
m 157.9986
n 0.2052
Epoch 2460800.5
nobs 1361
nopp 22
Years observed 1994-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.845
ep 0.145
sin(ip) 0.093
G 0.150
H 14.900
Mass
D 5.37 0.381
pV 0.061 0.0172
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 2.064
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8451 0.1446 0.0927 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.37 0.381 0.381 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.061 0.0172 0.0172 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
14.90 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
B B 0.3440 0.3440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT