1998EE18

J98E18E, M1999

All data for this body: [vot]

MPC data
Name (number) 1998EE18 (221999)
Packed designation M1999
a 2.59632
e 0.17189
i / sin(i) 11.7395 / 0.20346
q 2.15004
Q 3.04260
ω 158.8486
Node 331.8731
m 270.4986
n 0.2356
Epoch 2459600.5
nobs 560
nopp 13
Years observed 1998-2021
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.598
ep 0.211
sin(ip) 0.207
Value Standard error
G 0.150
H 15.720
Mass
D 4.39 0.090
pV 0.061 0.0120
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5980 0.2115 0.2073 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.17 1.260 1.260 Masiero 2020PSJ.....1....5M NEATM
4.39 0.090 0.090 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0410 0.0410 Masiero 2020PSJ.....1....5M NEATM
0.062 0.0125 0.0125 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
15.72 MPC-2022-01-18 MPC-2022-01-18 Phot