Estonia

01541, 1916 GE, 1916GE, 1923 VE, 1923VE, 1930 FE, 1930FE, 1930 FV, 1930FV, 1939 CK, 1939CK, 1950 RG1, 1950RG1, 1950 SR, 1950SR, 1959 RF1, 1959RF1, J16G00E, J23V00E, J30F00E, J30F00V, J39C00K, J50R01G, J50S00R, J59R01F

All data for this body: [vot]

MPC data
Name (number) Estonia (1541)
a 2.76750
e 0.06915
i / sin(i) 4.8704 / 0.08490
q 2.57613
Q 2.95887
ω 190.9489
Node 1.3599
m 98.9130
n 0.2141
Epoch 2460200.5
nobs 9996
nopp 43
Years observed 1923-2023
rms 0.37
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.769
ep 0.108
sin(ip) 0.089
Value Standard error
G 0.150
H 11.600
Mass
D 24.09 0.090
pV 0.119 0.0084
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7686 0.1082 0.0893 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.53 0.400 0.400 Masiero 2012ApJ...759L...8M NEATM
20.20 1.300 1.300 Tedesco 2002AJ....123.1056T STM
22.00 0.340 0.340 Masiero 2014ApJ...791..121M NEATM
23.89 1.350 1.350 Usui 2011PASJ...63.1117U NEATM
24.18 4.840 4.840 Ali-Lagoa 2018A&A...612A..85A NEATM
24.54 0.096 0.096 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.097 0.0390 0.0390 Ali-Lagoa 2018A&A...612A..85A NEATM
0.098 0.0129 0.0129 Masiero 2011ApJ...741...68M NEATM
0.120 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM
0.140 0.0160 0.0160 Masiero 2012ApJ...759L...8M NEATM
0.143 0.0200 0.0200 Tedesco 2002AJ....123.1056T STM
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
11.60 MPC-2023-12-04 MPC-2023-12-04 Phot