Q)
u
c:::
10- 17
co
.1::
co
>
"e
JGM3A
"w
JGM3
Q)
Q)
10- 19
JGM3B
"OJ
Q)
JGM3D
Q
o
10
20
30
40
50
60
Degree
Fig. 1. The Degree Error Variance for JGM3 Gravity Models
1.6
1.4
1.2
- E
~
(J)
~
a:
0.8
(ij
'6
0.6
co
a:
0.4
0.2
0
0
5
10
15
20
Order
•
JGM1
---JGM2
- - - JGM3A
- - - JGM3
- _ o o _ _ - JGM3B
- --JGM3D
25
30
35
70
40
Fig. 2. TOPEXIPOSEIDON RMS Radial Orbit Error Predicted by Solution
Covariance
48