1998EF12

18642, 1977CB3, J77C03B, J98E12F

All data for this body: [vot]

MPC data
Name (number) 1998EF12 (18642)
Packed designation 18642
a 2.29344
e 0.15565
i / sin(i) 4.9320 / 0.08597
q 1.93648
Q 2.65041
ω 123.0200
Node 36.6943
m 320.2685
n 0.2838
Epoch 2459600.5
nobs 1853
nopp 17
Years observed 1977-2022
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.294
ep 0.201
sin(ip) 0.074
Value Standard error
G 0.150
H 14.780
Mass
D 2.53 0.465
pV 0.229 0.0703
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2939 0.2005 0.0741 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.53 0.465 0.465 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.229 0.0703 0.0703 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
14.78 MPC-2022-01-18 MPC-2022-01-18 Phot