Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between METOP-A and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/11/2012
Index Date (METOP-A) Time (METOP-A) METOP-A Lat,Lon Date (NPP) Time (NPP) NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/20/2012 15:00:51 73.46, -51.79 05/20/2012 14:59:45 73.44, -54.88 98.13 66
2 05/20/2012 15:51:35 -73.36, 115.30 05/20/2012 15:50:27 -73.34, 112.64 84.82 68
3 05/20/2012 16:42:19 73.14, -77.84 05/20/2012 16:41:09 73.15, -79.61 56.92 70
4 05/20/2012 17:33:02 -73.09, 89.37 05/20/2012 17:31:51 -73.05, 87.91 47.43 71
5 05/20/2012 18:23:45 72.87,-103.77 05/20/2012 18:22:32 72.85,-104.35 19.27 73
6 05/20/2012 19:14:29 -72.77, 63.34 05/20/2012 19:13:14 -72.76, 63.15 6.30 75
7 05/20/2012 20:05:10 72.69,-129.47 05/20/2012 20:03:59 72.71,-129.43 1.90 71
8 05/20/2012 20:55:52 -72.69, 37.86 05/20/2012 20:54:43 -72.72, 37.87 2.54 69
9 05/20/2012 21:46:31 72.73,-154.74 05/20/2012 21:45:29 72.72,-154.82 2.74 62
10 05/20/2012 22:37:14 -72.67, 12.48 05/20/2012 22:36:12 -72.68, 12.58 3.37 62
11 05/20/2012 23:27:53 72.70, 179.87 05/20/2012 23:26:58 72.67, 179.89 3.36 55
12 05/21/2012 00:18:35 -72.70, -12.80 05/21/2012 00:17:42 -72.68, -12.81 2.31 53
13 05/21/2012 01:09:15 72.68, 154.49 05/21/2012 01:08:28 72.68, 154.50 0.18 47
14 05/21/2012 01:59:57 -72.68, -38.18 05/21/2012 01:59:12 -72.69, -38.21 1.26 45
15 05/21/2012 02:50:37 72.66, 129.11 05/21/2012 02:49:58 72.69, 129.10 3.25 39
16 05/21/2012 03:41:19 -72.66, -63.56 05/21/2012 03:40:41 -72.65, -63.49 2.69 38
17 05/21/2012 04:31:59 72.64, 103.73 05/21/2012 04:31:27 72.65, 103.82 3.04 32
18 05/21/2012 05:22:41 -72.64, -88.94 05/21/2012 05:22:11 -72.66, -88.89 2.64 30
19 05/21/2012 06:13:20 72.67, 78.45 05/21/2012 06:12:57 72.66, 78.42 1.76 23
20 05/21/2012 07:04:02 -72.67,-114.22 05/21/2012 07:03:41 -72.67,-114.28 1.98 21
21 05/21/2012 07:54:42 72.65, 53.07 05/21/2012 07:54:27 72.67, 53.03 2.18 15
22 05/21/2012 08:45:24 -72.65,-139.60 05/21/2012 08:45:10 -72.63,-139.57 3.20 14
23 05/21/2012 09:36:04 72.63, 27.69 05/21/2012 09:35:56 72.63, 27.74 1.92 8
24 05/21/2012 10:26:46 -72.63,-164.98 05/21/2012 10:26:40 -72.64,-164.96 0.85 6
25 05/21/2012 11:17:26 72.61, 2.30 05/21/2012 11:17:26 72.64, 2.35 3.07 0
26 05/21/2012 12:08:08 -72.61, 169.63 05/21/2012 12:08:10 -72.65, 169.65 3.54 2
27 05/21/2012 12:58:47 72.64, -22.97 05/21/2012 12:58:56 72.65, -23.04 2.37 9
28 05/21/2012 13:49:29 -72.64, 144.36 05/21/2012 13:49:40 -72.65, 144.25 3.54 11
29 05/21/2012 14:40:09 72.62, -48.35 05/21/2012 14:40:25 72.60, -48.33 2.18 16
30 05/21/2012 15:30:51 -72.62, 118.97 05/21/2012 15:31:09 -72.61, 118.97 1.30 18
31 05/21/2012 16:21:31 72.60, -73.74 05/21/2012 16:21:55 72.61, -73.73 1.29 24
32 05/21/2012 17:12:13 -72.60, 93.59 05/21/2012 17:12:39 -72.62, 93.57 2.10 26
33 05/21/2012 18:02:53 72.58, -99.12 05/21/2012 18:03:24 72.57, -99.01 3.62 31
34 05/21/2012 18:53:35 -72.58, 68.21 05/21/2012 18:54:08 -72.58, 68.28 2.41 33
35 05/21/2012 19:44:14 72.61,-124.40 05/21/2012 19:44:54 72.58,-124.41 3.52 40
36 05/21/2012 20:34:56 -72.61, 42.93 05/21/2012 20:35:38 -72.59, 42.89 3.13 42
37 05/21/2012 21:25:36 72.59,-149.78 05/21/2012 21:26:24 72.59,-149.80 0.77 48
38 05/21/2012 22:16:18 -72.59, 17.55 05/21/2012 22:17:08 -72.60, 17.50 1.85 50
39 05/21/2012 23:06:58 72.57,-175.16 05/21/2012 23:07:54 72.60,-175.19 3.29 56
40 05/21/2012 23:57:40 -72.57, -7.83 05/21/2012 23:58:37 -72.56, -7.79 2.29 57
41 05/22/2012 00:48:20 72.55, 159.46 05/22/2012 00:49:23 72.56, 159.52 2.08 63
42 05/22/2012 01:39:02 -72.55, -33.21 05/22/2012 01:40:07 -72.56, -33.18 1.60 65
43 05/22/2012 02:29:41 72.58, 134.18 05/22/2012 02:30:53 72.57, 134.13 2.48 72
44 05/22/2012 03:20:23 -72.58, -58.49 05/22/2012 03:21:37 -72.57, -58.58 3.11 74
45 05/22/2012 04:11:07 72.35, 108.39 05/22/2012 04:12:19 72.37, 109.14 25.31 72
46 05/22/2012 05:01:50 -72.31, -84.37 05/22/2012 05:03:02 -72.33, -83.46 30.98 72
47 05/22/2012 05:52:35 72.03, 82.42 05/22/2012 05:53:43 72.07, 84.35 66.32 68
48 05/22/2012 06:43:18 -71.98,-110.34 05/22/2012 06:44:26 -72.03,-108.26 71.80 68

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 5/11/2012
SNOs_Map_METOP-A_NPP_20120512.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 05/11/2012 in txt file.

Historical Predictions of SNOs between METOP-A and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service