1997EN2

18559, 1999RN152, J97E02N, J99RF2N

All data for this body: [vot]

MPC data
Name (number) 1997EN2 (18559)
Packed designation 18559
a 3.15395
e 0.10001
i / sin(i) 10.2813 / 0.17848
q 2.83852
Q 3.46938
ω 11.8929
Node 163.9315
m 168.4998
n 0.1760
Epoch 2459600.5
nobs 1945
nopp 21
Years observed 1993-2021
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.136
ep 0.147
sin(ip) 0.168
Value Standard error
G 0.150
H 13.380
Mass
D 12.07 0.065
pV 0.070 0.0090
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1359 0.1474 0.1678 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
12.07 0.065 0.065 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.070 0.0090 0.0090 Masiero 2011ApJ...741...68M 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
13.38 MPC-2022-01-18 MPC-2022-01-18 Phot