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 3.08929
e 0.08432
i / sin(i) 9.8003 / 0.17022
q 2.82881
Q 3.34977
ω 161.6522
Node 42.5535
m 118.6242
n 0.1815
Epoch 2460800.5
nobs 7708
nopp 47
Years observed 1906-2025
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.092
ep 0.115
sin(ip) 0.158
G 0.150
H 10.630
Mass
D 55.40 0.892
pV 0.053 0.0057
Value
Rotational Period 21.980
Period quality 3-
Spectral Class X
Spectral Class Score 5.952
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0920 0.1152 0.1578 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

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
[raw, vot]

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
[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
10.63 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
21.982 3- Synodic Ferrero 2012MPBu...39..138F Lightcurve
21.9916 2 Sidereal Durech 2020A&A...643A..59D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
X 0.992 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT