GPS
( Determination of motion parameters of ISS by use of GPS measurements
Preprint, Inst. Appl. Math., the Russian Academy of Science)

.., .., .., ..
(M.Yu.Belyaev, E.S.Medvedev, D.N.Rulev, V.V.Sazonov)

. ..

, 2004

GPS- , -2401. 1 30 . GPS- 15 -, 400 . , -2401

Abstract

We estimate the accuracy of determining the weakly disturbed orbital motion of International Space Station by use of GPS-measurements as well as the accuracy of forecasting such a motion. The measurements are the station coordinates in Greenwich coordinate system. They are received from on board equipment ASN-2401. The mean square errors of approximation of the measurements do not exceed 30 m when the motion is determined in a time interval less than a day. Processing the GPS-measurements in three-hour interval allows making the forecast of the motion on 15 hours forward with an error in the station radius vector not exceeding 400 m at a right choice of ballistic coeffitient. Systematic errorss in measurements of the station velocity, carried out by equipment ASN-2401, are revealed.


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25.V.02 03:10:40

25.V.13 30:56

37.22

75

67

2

26.V.02 03:41:16

26.V.02 14:23:02

38.51

102

86

3

28.V.02 02:27:51

28.V.02 12:56:54

37.74

97

91, 92

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29.V.02 02:46:31

29.V.02 17:53:56

54.45

118

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30.V.02 01:53:01

30.V.02 12:15:01

37.32

107

100

6 (1Ú2)

25.V.02 03:47:13

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124.55

160

157, 156

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28.V.02 02:27:51

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141.97

206

205

8 (4Ú5)

29.V.02 02:46:31

30.V.02 12:15:01

120.51

214

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9 (3Ú4Ú5)

28.V.02 02:27:51

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208.03

307

300, 282

10

22.VII.03 21:51:24

23.VII.03 23:24:32

91.99

80

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2.6

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0.926

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0.980

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8 (4Ú5)

0.984

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9(3Ú4Ú5)

0.987

31.4

3.8

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3.

(I).

 

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1

9.9

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44.7

592

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600

8000

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11.8

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20.9

50.5

614

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617

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21.4

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597

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44.2

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25.9

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69.3

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588

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4.

(I).

 

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1

6.4

11.1

10.9

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531

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2

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637

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614

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8.7

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14.8

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556

8023

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30.9

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32.9

631

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8 (4Ú5)

15.8

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34.4

637

8027

9(3Ú4Ú5)

23.1

25.1

11.2

33.2

630

8027

10

3.4

22.9

11.4

18.4

578

8059

 

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0.974

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3.0

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0.977

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2.2

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2.6

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3

0.841

18.8

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1.8

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21.2

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6.

(II).

 

/

1

9.5

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44.7

592

8029

2

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600

8000

3

13.7

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616

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67.7

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8 (4Ú5)

25.2

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629

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620

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7.

(II).

 

/

1

6.1

11.1

10.9

29.0

531

8033

2

6.3

11.7

11.1

29.7

593

8017

3

5.5

16.7

12.8

31.6

639

8038

4

14.4

16.8

11.9

33.0

614

8026

5

7.4

14.8

12.5

31.8

649

8026

6 (1Ú2)

9.1

15.1

9.8

29.2

564

8024

7 (3Ú4)

50.2

25.6

11.1

32.5

631

8027

8 (4Ú5)

19.9

15.6

11.1

33.3

637

8029

9(3Ú4Ú5)

24.1

23.8

11.0

31.3

623

8034

 

4. GPS-. 6 8 . 1 1 . , . , (I) (II), . 1. . 11 16. . 2 10, -.

, , . 11. (I), 1 6, .. 2. . 2. - , 1 6 (. 1 6 . 1). . 11 2 , 1. , (I), 2 (. 3) 6 (. 5). . 11 . 3 5 , , . . .

. 6 13 5 , 4; . 10 15 4 , 3. (I), (II). . 11 16 , (II) , (I). , , . 12, 15 = 400 . . 12 600 .

. , , , . , . 6, 7 8 , 3 . 20, 35 18 . (I) (II) . . 6 ( 7 8) 1 ( 3 4). 2. . 17 22, . 11 16. , , 15 400 . , , ( ) , .

, 2, . . , , , . -, GPS- ( 10 ) .

2 10 (. 23). . (I) 61 , . , , 75 % .

 

5. . GPS- -2401. 1 30 .

GPS- . . ( -) 8 /. ( ) 0.8 /. -2401 .

GPS- 15 -, 400 .

 

 

1. .., .., .., .. , , . . .. , , 2004.

 

 

 



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