Estens

04638, 1983 LK, 1983LK, 1986 JW1, 1986JW1, 1989 EG, 1989EG, J83L00K, J86J01W, J89E00G

All data for this body: [vot]

MPC data
Name (number) Estens (4638)
a 2.19431
e 0.08978
i / sin(i) 3.5061 / 0.06115
q 1.99730
Q 2.39132
ω 259.9573
Node 277.1399
m 214.4467
n 0.3032
Epoch 2460200.5
nobs 3131
nopp 29
Years observed 1955-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.193
ep 0.147
sin(ip) 0.068
Value Standard error
G 0.150
H 13.870
Mass
D 4.37 0.343
pV 0.226 0.0571
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1933 0.1470 0.0680 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.80 0.650 0.650 Nugent 2016AJ....152...63N NEATM
4.59 0.404 0.404 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.210 0.0617 0.0617 Masiero 2011ApJ...741...68M NEATM
0.320 0.1500 0.1500 Nugent 2016AJ....152...63N 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
13.87 MPC-2023-12-04 MPC-2023-12-04 Phot