Estens

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

All data for this body: [vot]

MPC data
Name (number) Estens (4638)
Packed designation 04638
a 2.19313
e 0.09066
i / sin(i) 3.5065 / 0.06116
q 1.99431
Q 2.39196
ω 259.7921
Node 277.2047
m 32.4916
n 0.3035
Epoch 2459600.5
nobs 2677
nopp 27
Years observed 1955-2021
rms 0.62
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 13.740
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-Jan-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-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.74 MPC-2022-01-18 MPC-2022-01-18 Phot