2001 KA57

2001KA57, D9339, K01K57A

All data for this body: [vot]

MPC data
Name (number) 2001 KA57 (139339)
a 2.58914
e 0.19465
i / sin(i) 13.3262 / 0.23050
q 2.08518
Q 3.09310
ω 109.1887
Node 189.0673
m 220.5380
n 0.2366
Epoch 2460800.5
nobs 968
nopp 18
Years observed 1960-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.590
ep 0.157
sin(ip) 0.240
G 0.150
H 15.860
Mass
D 1.91 0.474
pV 0.254 0.1219
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 17.294
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5903 0.1567 0.2398 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.91 0.474 0.474 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.254 0.1219 0.1219 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
15.86 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 0.870 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.3543 0.4530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4436 0.4530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5720 0.4530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.6425 0.4530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT