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Attitude Anomalies


The EP/TOMS spacecraft has experienced a number of attitude anomalies listed in the table below. These anomalies are short lived and tend to affect only the extreme off-nadir scans. The ozone errors are typically 1 D.U. or less though they may become larger during extreme events.

Orbit Number per Devia- tion

Universal Time Interval

Maximum Attitude Error during Interval (deg)

Spacecraft Position (Geodetic; deg)

Year

Day

hh:mm:ss

hh:mm:ss

Roll

Pitch

Yaw

Latitude

Longitude

337

1996

206

18:36:48

19:07:27

-0.70

-0.95

0.70

28.5

-121.9

611

1996

224

18:08:12

18:09:29

-0.55

0.31

-0.88

32.3

-108.0

693

1996

230

03:33:06

03:33:10

-0.18

0.056

-0.26

17.9

113.4

723

1996

232

02:55:39

02:56:04

0.17

0.064

0.32

21.1

122.2

754

1996

234

03:54:11

03:54:16

0.19

0.076

0.34

27.3

106.7

800

1996

237

04:31:39

04:33:54

-0.40

0.19

-0.83

36.3

95.1

981

1996

249

02:11:07

02:13:02

0.57

0.26

1.2

14.5

133.9

1300

1996

270

01:51:17

01:51:38

0.22

0.089

0.41

25.9

137.6

1863

1996

307

02:32:12

02:34:23

0.54

0.21

1.2

27.0

126.8

1893

1996

309

01:53:23

01:55:14

-0.34

0.13

-0.74

26.3

136.7

2196

1996

329

00:07:38

00:14:40

-0.52

0.23

-1.5

42.6

158.7

2351

1996

339

04:45:17

04:45:33

0.19

0.080

0.36

14.8

95.9

2438

1996

344

23:34:49

23:35:50

0.47

0.24

0.85

3.5

174.9

2473

1996

347

05:17:16

05:20:20

0.58

0.30

1.3

23.4

86.0

2577

1996

354

01:25:23

01:28:28

-0.52

0.24

-1.3

22.7

144.1

3003

1997

016

01:43:30

01:45:21

0.52

0.24

1.1

23.1

139.9

4150

1997

091

11:32:56

11:34:46

0.28

0.12

0.62

24.6

-7.6

4484

1997

113

10:25:54

10:32:15

0.43

0.19

1.3

34.2

6.5

4583

1997

119

22:37:39

22:40:19

-0.47

0.21

-1.0

24.1

-173.8

4629

1997

122

23:09:39

23:18:27

-0.52

0.32

-1.5

40.1

173.7

4703

1997

127

19:54:53

19:55:01

0.18

0.081

0.34

11.5

-130.7

4816

1997

135

06:10:19

06:14:29

0.37

0.23

1.6

29.5

71.8

4910

1997

141

10:27:05

10:29:49

0.50

0.28

1.4

25.0

8.7

5007

1997

147

19:27:17

19:30:42

0.50

0.24

1.0

25.3

-126.5

5017

1997

148

11:15:55

11:16:19

0.21

0.11

0.51

23.3

-2.6

5132

1997

156

00:38:08

00:41:16

0.47

0.21

1.3

28.2

155.4

5333

1997

169

05:42:38

05:42:46

0.27

0.11

0.44

24.9

80.6

5524

1997

181

18:55:13

18:57:08

0.62

0.33

1.4

23.5

-117.8

5607

1997

187

05:52:41

05:53:54

0.31

0.27

0.61

31.6

76.7

5614

1997

187

16:53:30

16:54:23

-0.39

0.25

-0.51

23.5

-87.1

5774

1997

198

05:14:43

05:16:22

0.28

0.18

0.67

27.9

86.7

5848

1997

203

01:58:19

02:00:18

-0.54

0.26

-1.1

33.9

134.7

5934

1997

208

17:33:46

17:33:58

0.17

0.12

0.33

17.3

-96.0

6208

1997

226

17:41:22

17:43:50

0.39

0.39

0.77

26.9

-99.9

6241

1997

228

21:41:25

21:45:02

-0.60

0.29

-1.3

21.6

-159.4

6367

1997

237

04:28:07

04:32:37

-0.52

0.29

-1.4

41.6

95.1

6565

1997

250

04:38:31

04:40:10

-0.51

0.22

-0.83

17.8

97.4

6593

1997

252

00:50:57

00:53:08

0.56

0.29

1.2

30.6

152.2

6620

1997

253

19:25:04

19:26:06

-0.30

0.22

-0.50

25.5

-125.2

6634

1997

254

17:27:56

17:29:30

0.36

0.17

0.73

20.7

-95.3

6772

1997

263

19:04:43

19:05:44

-0.39

0.22

-0.60

22.0

-119.6

6787

1997

264

18:46:50

18:46:54

0.16

0.067

0.25

29.3

-116.0

7277

1997

296

23:11:50

23:13:49

0.37

0.17

0.96

12.0

179.9

7805

1997

338

02:52:46

03:29:22

-0.81

-1.2

-0.84

3.9

117.2

8061

1997

348

17:53:20

17:55:23

0.41

0.17

0.93

22.1

-102.0

8135

1997

353

20:49:56

20:51:26

-0.46

0.22

-0.68

12.6

-144.5

8209

1997

358

23:47:25

23:49:48

0.59

0.29

1.4

11.0

171.1

8237

1997

360

23:57:45

00:00:33

0.60

0.31

1.6

7.5

169.0

8319

1998

001

16:08:58

16:09:56

0.31

0.15

0.66

-16.8

-69.7

8322

1998

001

19:36:46

19:38:57

-0.33

0.12

-0.64

18.1

-127.3

8340

1998

003

01:29:27

01:33:08

-0.50

0.21

-1.3

15.4

144.6

8444

1998

010

06:24:02

06:24:06

-0.21

0.053

-0.32

19.2

71.3

8597

1998

020

20:37:42

20:40:34

-0.60

0.31

-1.4

20.6

-143.0

8618

1998

022

09:02:38

09:05:09

0.30

0.12

0.60

-12.1

35.8

8709

1998

028

16:18:27

16:18:35

0.22

0.10

0.40

-13.0

-72.4

8841

1998

037

18:07:23

18:07:27

0.14

0.053

0.29

11.6

-103.3

8845

1998

038

00:43:03

00:43:07

0.16

0.057

0.28

1.2

159.3

8916

1998

042

22:44:28

22:47:32

-0.40

0.15

-0.86

19.2

-174.5

8986

1998

047

19:04:18

19:06:58

0.42

0.20

1.1

16.7

-118.9

8986

1998

047

19:04:18

19:06:58

0.42

0.20

1.1

16.7

-118.9

9213

1998

063

12:19:33

12:24:48

0.45

0.21

1.6

31.7

-21.1

9267

1998

067

07:31:14

07:31:18

0.16

-0.052

0.30

-32.1

62.8

9835

1998

106

15:29:11

15:31:26

0.55

0.27

1.3

-9.6

-61.1

9845

1998

107

06:34:57

06:37:49

0.51

0.25

1.4

21.5

67.6

9877

1998

109

11:48:27

11:48:47

0.18

0.074

0.43

23.1

-10.4

10173

1998

130

01:12:03

01:15:03

0.63

0.32

1.5

0.3

151.6

10191

1998

131

05:32:42

05:36:52

0.30

0.14

1.3

24.5

82.4

10551

1998

156

07:09:16

07:09:20

0.16

0.052

0.34

23.2

59.5

10582

1998

158

07:21:51

07:21:59

0.18

0.082

0.31

26.4

55.8

10624

1998

161

05:08:29

05:10:53

-0.39

0.18

-0.81

30.9

87.7

10661

1998

163

18:35:58

18:39:19

0.53

0.26

1.2

29.2

-114.1

10798

1998

173

06:16:21

06:18:57

-0.57

0.29

-1.2

30.9

70.7

10884

1998

179

05:12:32

05:14:27

0.51

0.25

1.2

34.1

86.1

10943

1998

183

07:17:06

07:18:36

0.24

0.099

0.55

39.6

53.8

11130

1998

196

05:54:10

06:00:27

0.58

0.32

1.9

31.9

75.1

11172

1998

199

03:41:01

03:43:08

-0.55

0.26

-1.1

13.2

112.7

11369

1998

212

19:07:33

19:07:54

0.19

0.082

0.42

26.3

-120.7

11433

1998

217

05:27:11

05:30:16

0.56

0.32

1.4

32.6

82.5

11532

1998

224

02:02:53

02:04:40

0.38

0.18

0.82

45.6

130.7

11576

1998

227

03:02:19

03:04:54

0.40

0.21

1.1

23.2

120.6

11648

1998

232

02:44:29

02:47:05

-0.57

0.29

-1.2

36.5

122.5

11907

1998

250

01:06:08

01:07:50

0.38

0.16

0.83

30.7

148.5

11961

1998

253

18:48:52

18:50:55

0.50

0.29

1.20

29.0

-116.9

12057

1998

260

10:18:07

10:20:22

-0.57

0.26

-1.20

22.9

11.8

12067

1998

261

02:57:48

02:59:14

-0.31

0.11

0.54

29.7

120.9

12299

1998

277

04:28:23

04:28:27

0.17

0.07

0.29

27.9

98.9

12413

1998

285

01:53:07

01:54:16

-0.31

0.12

-0.57

30.8

136.9

12920

1998

320

04:13:45

04:17:55

-0.59

0.29

-1.4

27.2

101.7

13300

1998

346

11:36:26

11:36:30

0.11

0.050

0.28

15.3

-6.0

14398

1999

057

14:15:18

14:15:55

-0.061

-0.078

0.32

-41.2

-36.4

14659

1999

075

16:09:40

16:13:33

0.69

0.39

1.8

-18.7

-70.3

15027

1999

101

02:25:35

02:25:44

0.16

0.093

0.29

17.3

131.1

15100

1999

106

03:44:42

03:48:03

0.48

0.22

1.3

25.2

109.2

15187

1999

112

04:22:27

04:25:15

0.61

0.32

1.5

26.3

99.7

15202

1999

113

05:18:51

05:21:48

0.29

0.30

0.80

27.9

85.3

15563

1999

138

05:20:40

05:22:34

-0.47

0.20

-0.88

22.6

85.9

15794

1999

154

05:19:46

05:22:22

0.51

0.28

1.3

32.3

84.1

16443

1999

199

03:59:54

04:00:55

0.29

0.22

0.55

28.4

105.1

16444

1999

199

05:42:01

05:45:26

-0.64

0.40

-1.4

44.7

75.2

16471

1999

201

02:33:05

02:35:20

-0.24

0.12

-0.47

37.0

124.7

16486

1999

202

03:26:29

03:30:26

0.62

0.34

1.6

33.3

111.8

16658

1999

214

01:19:35

01.21.29

-0.40

0.18

-0.81

32.0

144.2

16659

1999

214

03:02:03

03:03:37

0.28

0.13

0.52

40.5

116.8

16674

1999

215

03:52:59

03:58:35

0.60

0.33

1.8

36.9

103.9

16718

1999

218

05:03:37

05:05:07

-0.54

0.30

-0.94

33.3

88.0

16750

1999

220

10:11:56

10:15:04

-0.59

0.30

-1.2

29.8

11.3

16760

1999

221

02:51:21

02:55:02

0.59

0.37

1.4

39.6

119.1

16805

1999

224

05:39:27

05:40:57

0.40

0.19

0.87

35.0

78.7

17159

1999

248

17:58:44

17:59:25

-0.26

0.14

-0.39

33.1

-105.6

17248

1999

254

23:23:25

23:24:10

-0.28

0.085

-0.40

-0.5

178.7

17325

1999

260

05:47:32

05:49:39

0.53

0.27

1.2

25.0

78.4

17389

1999

264

16:11:00

16:14:04

-0.63

0.38

-1.4

36.8

-80.1

17901

1999

300

02:57:37

03:01:02

0.62

0.36

1.6

24.6

120.5

18255

1999

324

16:41:45

16:42:05

0.14

-0.054

0.45

-20.0

-78.0

18421

1999

336

03:02:25

03:02:33

0.17

0.077

0.27

19.6

120.8

18622

1999

350

00:56:58

01:00:36

-0.61

0.32

-1.5

20.9

151.0

18695

1999

355

02:14:27

02:19:26

0.63

0.34

2.1

26.8

130.3

19085

2000

017

02:11:21

02:12:52

-0.34

0.21

-0.58

12.6

134.2

19215

2000

026

02:12:42

02:14:16

-0.28

0.083

-0.57

22.8

132.2

19389

2000

038

03:14:17

03:15:02

-0.23

0.12

-0.37

10.5

118.9.0

19649

2000

056

03:09:35

03:11:34

-0.50

0.22

-1.1

14.5

119.1

19855

2000

070

09:20:01

09:22:17

0.58

0.30

1.3

9.6

27.1

20057

2000

084

08:54:31

08:55:16

-0.36

0.18

-0.39

12.7

33.4

20068

2000

085

03:11:09

03:15:48

-0.55

0.23

-1.6

27.6

115.8

20385

2000

107

01:43:29

01:46:38

-0.54

0.27

-1.2

28.4

137.8

20572

2000

120

00:14:29

00:17:05

-0.60

0.29

-1.3

14.9

162.5

20885

2000

141

16:03:14

16:07:24

0.47

0.24

1.5

24.6

-76.8

21125

2000

158

06:38:20

06:41:24

-0.62

0.31

-1.3

29.7

63.8

21500

2000

184

05:20:33

05:22:15

-0.43

0.19

-0.80

26.9

84.0

21513

2000

185

02:58:09

02:58:13

0.15

0.05

0.33

29.7

119.5

21600

2000

191

03:24:10

03:25:24

-0.38

0.18

-0.63

27.8

113.0

21688

2000

197

05:32:35

05:35:56

0.42

0.24

0.86

39.1

78.0

21701

2000

198

03:06:06

03:08:29

-0.60

0.32

-1.3

30.5

116.7

21716

2000

199

04:03:03

04:03:27

0.20

0.09

0.42

31.8

102.7

21845

2000

208

02:13:31

02:16:23

-0.56

0.30

-1.1

38.2

128.0

21903

2000

212

02:32:49

02:34:27

0.53

0.29

1.1

38.6

123.4

21991

2000

218

04:38:42

04:38:59

-0.23

0.075

-0.36

30.6

94.0

22207

2000

233

03:15:07

03:16:46

-0.26

0.12

-0.55

33.3

113.9

22279

2000

238

02:46:55

02:47:03

0.20

0.077

0.35

25.7

122.8

22403

2000

246

16:40:53

16:42:03

-0.44

0.27

-0.71

36.5

-88.1

22424

2000

248

03:29:26

03:33:15

-0.59

0.27

-1.2

33.8

109.7

22481

2000

252

02:09:41

02:09:49

0.17

0.074

0.29

28.8

131.5

22517

2000

254

15:18:35

15:20:22

-0.58

0.33

-1.2

-25.2

-57.6

22700

2000

267

05:42:59

05:44:42

0.51

0.27

1.0

29.3

77.6

22751

2000

270

18:22:50

18:22:54

0.14

0.062

0.26

24.0

-110.9

22779

2000

272

16:52:44

16:54:35

-0.49

0.24

-0.88

31.9

-90.4

22831

2000

276

07:09:47

07:12:52

0.39

0.34

0.79

27.9

55.8

23015

2000

289

00:39:36

00:42:07

-0.43

0.19

-0.91

36.9

151.6

23129

2000

296

23:24:52

23:24:52

0.14

-0.051

0.27

-1.7

177.4

23317

2000

309

21:52:03

21:54:35

0.52

0.25

1.2

18.2

-163.0

23537

2000

325

03:02:05

03:04:08

-0.54

0.23

-0.97

17.7

119.6

23563

2000

326

23:45:34

23:46:48

0.48

0.22

0.83

-2.6

172.0

23610

2000

330

04:12:24

04:15:32

-0.58

0.30

-1.3

24.9

100.5

23638

2000

332

02:41:46

02:44:34

0.27

0.14

0.79

27.5

122.8

23652

2000

333

01:52:46

01:54:28

-0.38

0.17

-0.65

12.4

137.8

23709

2000

337

00:30:04

00:32:56

-0.59

0.31

-1.3

19.7

157.1

23754

2000

340

03:14:21

03:14:32

0.21

0.083

0.39

23.5

116.0

23796

2000

343

02:28:06

02:29:36

-0.43

0.17

-0.75

-2.6

131.2

23825

2000

345

01:00:45

01:04:26

0.67

0.40

1.9

22.2

148.7

23999

2000

357

01:49:46

01:50:07

0.26

0.084

0.51

19.3

137.8

24021

2000

358

15:47:57

15:50:58

0.60

0.30

1.5

-12.9

-67.6

24057

2000

361

02:02:23

02:05:43

0.65

0.34

1.6

21.5

133.5

24158

2001

002

01:44:10

01:45:43

-0.39

0.17

-0.76

32.3

136.5

24230

2001

007

01:10:22

01:11:52

-0.25

0.06

0.50

22.5

146.7

24259

2001

009

01:15:35

01:18:43

0.82

0.35

1.8

20.2

145.4

24344

2001

014

23:52:06

23:52:59

0.26

0.15

0.36

-11.7

171.6

24508

2001

026

06:27:46

06:30:34

0.54

0.32

1.2

18.0

67.8

24513

2001

026

16:17:19

16:17:23

0.15

0.05

0.30

-19.1

-73.3

24620

2001

034

00:18:57

00:22:34

-0.54

0.25

-1.3

21.0

159.3

24621

2001

034

01:57:48

02:01:29

-0.59

0.27

-1.4

18.4

135.0

24707

2001

040

00:41:25

00:44:17

0.60

0.29

1.3

19.9

154.0

24730

2001

041

16:23:05

16:23:10

0.20

0.053

0.27

-18.2

-75.0

24743

2001

042

13:50:19

13:50:23

-0.052

-0.064

0.26

-43.6

-31.6

24743

2001

042

13:50:19

13:50:23

-0.052

-0.064

0.26

-43.6

-31.6

24750

2001

043

01:34:38

01:34:42

-0.14

0.088

-0.26

-16.4

146.9

24779

2001

045

00:12:40

00:12:44

-0.18

0.057

-0.31

20.3

161.8

24987

2001

059

09:19:22

09:21:29

-0.33

0.085

-0.51

21.7

24.3

25114

2001

068

04:01:38

04:03:12

0.52

0.21

0.86

14.8

105.0

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