1999 KF4

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

All data for this body: [vot]

MPC data

Name (number)	1999 KF4 (19565)
a	3.07482
e	0.30057
i / sin(i)	23.4049 / 0.39723
q	2.15061
Q	3.99903
ω	54.8541
Node	247.1684
m	168.0630
n	0.1828
Epoch	2460200.5

n_obs	2940
n_opp	25
Years observed	1972-2023
rms	0.55

Best values

	Value	Standard error
Parent

a_p	3.084
e_p	0.127
sin(i_p)	0.410

	Value	Standard error
G	0.150
H	12.710
Mass
D	17.21	0.062
pV	0.048	0.0013
Rotational Period

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.0841	0.1273	0.4099	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

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

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

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.15			MPC-2023-12-94	MPC-2023-12-94	Phot

H data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
12.71			MPC-2023-12-04	MPC-2023-12-04	Phot