Hajek

01995, 1941 EA, 1941EA, 1971 UP1, 1971UP1, J41E00A, J71U01P

All data for this body: [vot]

MPC data

Name (number)	Hajek (1995)
a	2.52976
e	0.05350
i / sin(i)	10.8245 / 0.18780
q	2.39443
Q	2.66509
ω	133.2900
Node	47.2060
m	186.7059
n	0.2450
Epoch	2460200.5

n_obs	3182
n_opp	30
Years observed	1941-2023
rms	0.53

Best values

	Value	Standard error
Parent

a_p	2.530
e_p	0.091
sin(i_p)	0.174

	Value	Standard error
G	0.150
H	13.280
Mass
D	12.86	0.269
pV	0.048	0.0086

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
2.5296	0.0915	0.1743	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
10.26	2.760	2.760	Nugent	2016AJ....152...63N	NEATM
11.26	3.730	3.730	Masiero	2021PSJ.....2..162M	NEATM
11.37	3.138	3.138	Masiero	2017AJ....154..168M	NEATM
12.12	4.535	4.535	Masiero	2017AJ....154..168M	NEATM
12.40	3.690	3.690	Masiero	2020PSJ.....1....5M	NEATM
12.62	2.520	2.520	Ali-Lagoa	2018A&A...612A..85A	NEATM
12.68	0.288	0.288	Masiero	2011ApJ...741...68M	NEATM
14.45	2.580	2.580	Masiero	2012ApJ...759L...8M	NEATM
15.29	1.040	1.040	Usui	2011PASJ...63.1117U	NEATM
17.97	3.590	3.590	Ali-Lagoa	2018A&A...612A..85A	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.031	0.0120	0.0120	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.040	0.0250	0.0250	Masiero	2012ApJ...759L...8M	NEATM
0.058	0.0500	0.0500	Masiero	2020PSJ.....1....5M	NEATM
0.064	0.0260	0.0260	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.070	0.0320	0.0590	Masiero	2021PSJ.....2..162M	NEATM
0.079	0.0499	0.0499	Masiero	2017AJ....154..168M	NEATM
0.080	0.0600	0.0600	Nugent	2016AJ....152...63N	NEATM
0.083	0.0249	0.0249	Masiero	2011ApJ...741...68M	NEATM
0.092	0.0458	0.0458	Masiero	2017AJ....154..168M	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
13.28			MPC-2023-12-04	MPC-2023-12-04	Phot