1998 KB38

1998KB38, 1999 TQ257, 1999TQ257, 40052, J98K38B, J99TP7Q

All data for this body: [vot]

MPC data
Name (number) 1998 KB38 (40052)
a 2.49635
e 0.12407
i / sin(i) 3.7704 / 0.06576
q 2.18664
Q 2.80607
ω 116.6031
Node 124.9160
m 298.0761
n 0.2499
Epoch 2460800.5
nobs 1716
nopp 20
Years observed 1998-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 15.180
Mass
D 3.32 0.238
pV 0.193 0.0470
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 2.581
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.32 0.238 0.238 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.193 0.0470 0.0470 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
15.18 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
DL 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.4302 0.4302 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT