1999 KR1

1999KR1, 2001 SJ54, 2001SJ54, 74553, J99K01R, K01S54J

All data for this body: [vot]

MPC data
Name (number) 1999 KR1 (74553)
a 3.13104
e 0.07738
i / sin(i) 19.1515 / 0.32807
q 2.88875
Q 3.37332
ω 309.5034
Node 34.8700
m 123.4267
n 0.1779
Epoch 2460800.5
nobs 3288
nopp 21
Years observed 1999-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.130
ep 0.048
sin(ip) 0.321
G 0.150
H 13.380
Mass
D 10.20 0.131
pV 0.086 0.0082
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 2.000
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1297 0.0477 0.3205 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
10.09 0.156 0.156 Masiero 2011ApJ...741...68M NEATM
10.48 0.244 0.244 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.084 0.0098 0.0098 Masiero 2011ApJ...741...68M NEATM
0.091 0.0148 0.0148 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
13.38 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
D 0.28 Bus VIS Carvano 2010A&A...510A..43C PHOT
K K 0.3309 0.3309 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT