1981 ER11

1981ER11, 19103, J81E11R

All data for this body: [vot]

MPC data
Name (number) 1981 ER11 (19103)
a 2.60950
e 0.06641
i / sin(i) 2.4040 / 0.04195
q 2.43621
Q 2.78280
ω 214.0068
Node 289.7875
m 57.5089
n 0.2338
Epoch 2460200.5
nobs 1090
nopp 20
Years observed 1979-2023
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.609
ep 0.109
sin(ip) 0.060
Value Standard error
G 0.150
H 15.670
Mass
D 2.50 0.655
pV 0.179 0.0812
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6094 0.1090 0.0604 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.50 0.655 0.655 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.179 0.0812 0.0812 Masiero 2011ApJ...741...68M 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
15.67 MPC-2023-12-04 MPC-2023-12-04 Phot