1999 KF4

1999KF4, 19565, 1972 TB, 1972TB, J72T00B, J99K04F

All data for this body: [vot]

MPC data
Name (number) 1999 KF4 (19565)
a 3.07646
e 0.30025
i / sin(i) 23.4039 / 0.39721
q 2.15276
Q 4.00016
ω 54.7510
Node 247.1652
m 277.8525
n 0.1827
Epoch 2460800.5
nobs 3525
nopp 26
Years observed 1972-2025
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.084
ep 0.127
sin(ip) 0.410
G 0.150
H 12.670
Mass
D 17.21 0.062
pV 0.048 0.0013
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 1.596
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0841 0.1273 0.4099 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
15.45 4.480 4.480 Masiero 2021PSJ.....2..162M NEATM
15.62 6.380 6.380 Nugent 2016AJ....152...63N NEATM
16.22 0.900 0.900 Tedesco 2002AJ....123.1056T STM
16.26 0.899 0.899 Ryan&Woodward 2010AJ....140..933R IRAS-STM
16.92 0.142 0.142 Masiero 2011ApJ...741...68M NEATM
17.07 0.080 0.080 Masiero 2014ApJ...791..121M NEATM
17.85 0.140 0.140 Masiero 2012ApJ...759L...8M NEATM
21.33 0.925 0.925 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
23.13 3.390 3.390 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.020 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM
0.032 0.0029 0.0029 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.045 0.0025 0.0025 Masiero 2011ApJ...741...68M NEATM
0.050 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM
0.051 0.0200 0.0340 Masiero 2021PSJ.....2..162M NEATM
0.055 0.0020 0.0020 Masiero 2012ApJ...759L...8M NEATM
0.056 0.0060 0.0060 Tedesco 2002AJ....123.1056T STM
0.056 0.0061 0.0061 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.080 0.0600 0.0600 Nugent 2016AJ....152...63N 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
12.67 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
X 0.266 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT