Esperanto

01421, 1906 UD, 1906UD, 1917 XD, 1917XD, 1920 GD, 1920GD, 1931 HC, 1931HC, 1936 FQ, 1936FQ, 1958 GD, 1958GD, J06U00D, J17X00D, J20G00D, J31H00C, J36F00Q, J58G00D

All data for this body: [vot]

MPC data

Name (number)	Esperanto (1421)
a	3.09060
e	0.08416
i / sin(i)	9.8009 / 0.17022
q	2.83049
Q	3.35072
ω	162.0001
Node	42.5642
m	9.4304
n	0.1814
Epoch	2460200.5

n_obs	7111
n_opp	45
Years observed	1906-2023
rms	0.41

Best values

	Value	Standard error
Parent

a_p	3.092
e_p	0.115
sin(i_p)	0.158

	Value	Standard error
G	0.150
H	10.670
Mass
D	55.40	0.892
pV	0.053	0.0057

Proper elements data

a_p	e_p	sin(i_p)	Author	Reference	Method
3.0920	0.1152	0.1578	Novakovic_Radovic_Todovic	2003A&A...403.1165K	Numeric-Oct-2022

Diameter data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
43.31	3.100	3.100	Tedesco	2002AJ....123.1056T	STM
48.65	13.210	13.210	Masiero	2020PSJ.....1....5M	NEATM
51.95	10.210	10.210	Masiero	2012ApJ...759L...8M	NEATM
52.54	5.250	5.250	Ali-Lagoa	2018A&A...612A..85A	NEATM
55.03	18.280	18.280	Masiero	2020PSJ.....1....5M	NEATM
56.68	0.960	0.960	Usui	2011PASJ...63.1117U	NEATM
57.76	11.550	11.550	Ali-Lagoa	2018A&A...612A..85A	NEATM
59.78	18.130	18.130	Masiero	2020PSJ.....1....5M	NEATM
64.37	25.600	25.600	Nugent	2016AJ....152...63N	NEATM

Albedo data

Value	Uncertainty up	Uncertainty down	Author	Reference	Method
0.030	0.0300	0.0300	Nugent	2016AJ....152...63N	NEATM
0.031	0.0220	0.0220	Masiero	2020PSJ.....1....5M	NEATM
0.031	0.0260	0.0260	Masiero	2020PSJ.....1....5M	NEATM
0.034	0.0210	0.0210	Masiero	2020PSJ.....1....5M	NEATM
0.041	0.0160	0.0160	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.050	0.0100	0.0100	Ali-Lagoa	2018A&A...612A..85A	NEATM
0.071	0.0110	0.0110	Tedesco	2002AJ....123.1056T	STM
0.098	0.0270	0.0270	Masiero	2012ApJ...759L...8M	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
10.67			MPC-2023-12-04	MPC-2023-12-04	Phot