Table 6.2.1—1. Orbital characteristics for satellites used in JGM—1 and JGM—2.

 

Satellite

a

(km)

e

Inclination

(° )

Perigee Height

(km)

Mean Motion (rev/d)

Primary Resonant Period (d)

Data

Type

ATS6

41867

.0010

0.9

35781

1.01

92.8

SST

Peole

7006

.0162

15.0

515

14.82

2.1

L

Courier1B

7469

.0174

28.3

989

13.46

3.8

O

Vanguard2

8298

.1648

32.9

562

11.49

2.7

O

Vanguard2RB

8496

.1832

32.9

562

11.09

294.3

O

DID

7622

.0842

39.5

589

13.05

8.4

O,L

DIC

7341

.0526

40.0

587

13.81

2.5

O,L

BEC

7507

.0252

41.2

902

13.35

5.6

O,L

Telstar1

9669

.2421

44.8

951

9.13

14.9

O

Echo1RB

7966

.0121

47.2

1501

12.21

11.9

O

Starlette

7331

.0200

49.8

785

13.83

2.8

L

Ajisai

7870

.0010

50.0

1487

12.43

3.2

L

Anna1B

7501

.0070

51.5

1076

13.37

4.8

O

GEOS1

8075

.0725

59.3

1108

11.96

7.0

O,L

ETALON1

25501

.0007

64.9

19121

2.13

7.9

L

TOPEX/POSEIDON

7716

.0004

66.0

1342

12.80

3.2

L,D

Transit4A

7322

.0079

66.8

806

13.85

3.5

O

Injun1

7316

.0076

66.8

895

13.87

3.8

O

Secor5

8151

.0801

69.2

1140

11.79

3.4

O

BEB

7354

.0143

79.7

902

13.76

3.0

O

OGO2

7341

.0739

87.4

425

13.79

3.8

O

OSCAR14

7448

.0030

89.2

1042

13.50

2.2

Dp

OSCAR7

7411

.0242

89.7

848

13.60

3.2

Dp

5BN2

7462

.0058

90.0

1063

13.46

2.4

O

NOVA

7559

.0010

90.0

1123

13.20

6.3

Dp

Midas4

9995

.0121

95.8

1505

8.69

3.0

O

SPOT2

7208

.0015

98.7

840

14.17

6.2

D

GEOS2

7711

.0308

105.8

1114

12.82

5.7

O,L

SEASAT

7171

.0010

108.0

812

14.29

3.1

O,L,R,A

GEOSAT

7169

.0010

108.0

754

14.30

3.0

Dp,A

LAGEOS

12273

.0010

109.9

5827

6.39

2.7

L

GEOS3

7226

.0010

114.9

841

14.13

4.5

L,A,SST

OVI2

8317

.1835

144.3

415

11.45

2.2

O

Key: L = Laser, Dp = TRANET/OPNET Doppler, O = Optical, D = DORIS, R = Radar, A = Altimetry,

SST = sat-to-sat range rate

 

 

Table 7.3.4—1. Comparison of ocean tidal terms from the GEM—T3-derived tidal model PGS4846X and EGM96. PGS4846X uncertainties are from the GEM—T3 solution.

Tide Line

PGS4846X

EGM96

 

l

q

amplitude

s (cm)

phase

s (° )

amplitude

s (cm)

phase

s (° )

Mm

2

0

0.84

0.27

260.1

18.6

0.90

0.13

259.2

7.9

 

3

0

0.97

0.59

37.8

34.6

0.33

0.22

59.1

37.6

Sa

2

0

2.65

0.29

26.3

6.8

2.55

0.17

40.0

3.9

 

3

0

5.17

0.52

313.9

5.8

2.59

0.26

290.2

5.4

Mf

2

0

2.05

0.28

240.4

7.8

2.05

0.16

250.0

4.4

 

3

0

0.44

0.69

337.1

84.8

0.25

0.28

289.9

63.5

 

4

0

0.52

99.1

1.42

0.88

124.4

35.7

 

5

0

0.48

239.7

0.39

0.28

182.3

40.0

Ssa

2

0

1.61

0.30

255.9

10.8

1.48

0.14

275.6

5.2

 

3

0

0.53

0.51

54.1

55.3

0.88

0.24

100.2

15.2

K1

2

1

2.78

0.12

325.1

2.6

2.83

0.11

319.4

2.3

 

3

1

0.79

0.09

13.6

6.9

0.95

0.05

33.5

2.8

 

4

1

2.39

0.17

257.2

4.2

2.30

0.09

257.1

2.3

 

5

1

2.23

0.20

107.8

4.9

1.92

0.06

114.0

1.8

 

6

1

0.17

275.5

0.26

0.28

274.1

60.3

O1

2

1

2.70

0.11

314.5

2.4

2.73

0.08

314.8

1.7

 

3

1

1.37

0.13

79.5

5.6

1.57

0.05

83.7

1.7

 

4

1

1.84

0.18

282.5

5.4

1.76

0.10

274.5

3.0

 

5

1

1.59

0.18

121.6

6.6

1.21

0.06

115.2

3.0

 

6

1

0.18

284.2

0.33

0.27

323.2

47.4

P1

2

1

0.97

0.13

313.9

7.5

0.98

0.08

316.3

4.9

 

3

1

0.38

0.09

6.5

14.5

0.27

0.05

30.0

10.4

 

4

1

0.84

0.18

256.1

12.1

0.75

0.06

262.2

5.2

 

5

1

0.76

0.20

122.9

14.3

0.47

0.06

114.5

7.5

Q1

2

1

0.53

313.7

0.59

0.08

321.8

7.9

 

3

1

0.32

104.2

0.20

0.05

98.3

14.8

 

4

1

0.29

288.1

0.40

0.08

278.1

11.5

 

5

1

0.22

112.3

0.26

0.07

126.5

15.7

K2

2

2

0.34

0.04

315.9

6.6

0.27

0.03

327.5

5.5

 

3

2

0.19

0.04

188.5

8.0

0.18

0.01

184.3

3.3

 

4

2

0.15

0.04

105.5

14.1

0.13

0.02

120.8

8.7

 

5

2

0.06

0.03

90.3

27.1

0.03

0.01

58.0

17.0

 

6

2

0.04

0.04

358.3

50.0

0.02

0.02

11.1

61.0

M2

2

2

3.31

0.04

321.1

0.7

3.27

0.03

321.9

0.6

 

3

2

0.25

0.05

155.8

11.2

0.27

0.02

167.4

3.6

 

4

2

0.98

0.04

125.8

2.3

1.05

0.03

130.0

1.6

 

5

2

0.31

0.03

15.2

5.3

0.29

0.01

10.9

2.3

 

6

2

0.39

0.04

317.2

6.4

0.44

0.03

329.3

4.3

 

7

2

0.09

199.2

0.13

0.01

198.9

5.2

 

8

2

0.13

214.3

0.16

0.03

193.0

12.1

S2

2

2

0.78

0.02

301.0

2.9

0.76

0.03

304.1

2.3

 

3

2

0.29

0.03

223.1

6.3

0.28

0.02

222.4

3.1

 

4

2

0.36

0.04

94.0

5.9

0.38

0.02

102.3

2.7

 

5

2

0.16

0.03

17.0

11.3

0.15

0.01

22.5

4.4

 

6

2

0.17

0.04

276.8

13.3

0.15

0.02

287.0

6.7

 

7

2

0.04

142.6

0.03

0.01

105.6

16.1

N2

2

2

0.69

0.06

334.3

4.7

0.65

0.03

335.8

2.9

 

3

2

0.10

0.05

152.2

30.0

0.08

0.02

169.4

11.1

 

4

2

0.23

0.04

140.2

10.2

0.24

0.02

143.7

5.9

 

5

2

0.08

0.03

354.5

23.0

0.08

0.01

0.6

6.8

 

6

2

0.07

0.05

358.0

36.7

0.08

0.02

10.8

13.4

T2

2

2

0.04

0.04

321.1

49.1

0.04

0.03

294.7

41.9

 

3

2

0.02

0.03

340.9

80.0

0.02

0.01

328.2

36.2

 

4

2

0.05

0.04

149.9

45.5

0.03

0.02

135.0

46.4

 

5

2

0.06

0.03

57.0

25.5

0.04

0.01

29.1

11.7

 

6

2

0.03

0.04

183.0

64.8

0.02

0.02

275.0

43.6

 

Table 7.3.4—2. Comparison of ocean tidal resonant terms: updated altimeter-derived model [Schrama and Ray 1994; Ray, private communication, 1997] vs. the EGM96 dynamic solution.

Tide Line

Altimetric

EGM96 Dynamic

 

l

q

amp.

s (cm)

phase

s (° )

amp.

s (cm)

phase

s (° )

K1

2

1

3.00

317.57

2.83

0.11

319.4

2.3

 

3

1

0.98

34.26

0.95

0.05

33.5

2.8

 

4

1

2.08

254.10

2.30

0.09

257.1

2.3

O1

2

1

2.59

313.91

2.73

0.08

314.8

1.7

 

3

1

1.36

84.27

1.57

0.05

83.7

1.7

 

4

1

1.51

279.96

1.76

0.10

274.5

3.0

M2

2

2

3.23

320.62

3.27

0.03

321.8

0.6

 

3

2

0.30

168.99

0.27

0.02

167.4

3.6

 

4

2

1.06

130.20

1.05

0.03

130.0

1.6

S2

2*

2*

1.24

318.09

0.76

0.03

304.1

2.3

 

3

2

0.30

205.69

0.28

0.02

222.4

3.1

 

4*

2*

0.37

106.46

0.38

0.02

102.3

2.7

N2

2

2

0.70

330.49

0.65

0.03

335.9

2.9

 

3

2

0.11

172.64

0.08

0.02

169.4

11.1

 

4

2

0.24

141.35

0.24

0.02

143.7

5.9

* The EGM96 dynamic solution for these terms includes the S2 atmospheric tide.