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: 5/18/2012
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 73.42, -51.88 05/20/2012 14:59:45 73.43, -54.88 94.93 66
2 05/20/2012 15:51:35 -73.30, 115.19 05/20/2012 15:50:27 -73.35, 112.64 81.40 68
3 05/20/2012 16:42:19 73.09, -77.94 05/20/2012 16:41:08 73.09, -79.49 50.23 71
4 05/20/2012 17:33:02 -73.03, 89.25 05/20/2012 17:31:50 -73.00, 88.02 40.34 72
5 05/20/2012 18:23:46 72.82,-103.86 05/20/2012 18:22:32 72.80,-104.24 12.73 74
6 05/20/2012 19:14:29 -72.76, 63.34 05/20/2012 19:13:15 -72.76, 63.15 6.06 74
7 05/20/2012 20:05:10 72.70,-129.45 05/20/2012 20:04:00 72.70,-129.42 1.27 70
8 05/20/2012 20:55:52 -72.69, 37.85 05/20/2012 20:54:44 -72.72, 37.87 3.45 68
9 05/20/2012 21:46:31 72.73,-154.73 05/20/2012 21:45:30 72.71,-154.81 3.19 61
10 05/20/2012 22:37:13 -72.72, 12.57 05/20/2012 22:36:14 -72.73, 12.48 3.38 59
11 05/20/2012 23:27:53 72.71, 179.89 05/20/2012 23:27:00 72.72, 179.80 3.32 53
12 05/21/2012 00:18:35 -72.70, -12.81 05/21/2012 00:17:43 -72.68, -12.81 1.38 52
13 05/21/2012 01:09:15 72.69, 154.50 05/21/2012 01:08:29 72.68, 154.51 0.87 46
14 05/21/2012 01:59:57 -72.68, -38.19 05/21/2012 01:59:13 -72.69, -38.20 1.91 44
15 05/21/2012 02:50:37 72.67, 129.12 05/21/2012 02:49:59 72.69, 129.12 2.45 38
16 05/21/2012 03:41:19 -72.66, -63.57 05/21/2012 03:40:42 -72.65, -63.49 2.79 37
17 05/21/2012 04:31:59 72.64, 103.74 05/21/2012 04:31:28 72.64, 103.83 3.06 31
18 05/21/2012 05:22:40 -72.69, -88.85 05/21/2012 05:22:12 -72.66, -88.88 3.07 28
19 05/21/2012 06:13:20 72.67, 78.46 05/21/2012 06:12:58 72.65, 78.44 2.38 22
20 05/21/2012 07:04:02 -72.66,-114.23 05/21/2012 07:03:42 -72.67,-114.27 1.36 20
21 05/21/2012 07:54:42 72.65, 53.08 05/21/2012 07:54:28 72.66, 53.05 1.43 14
22 05/21/2012 08:45:24 -72.64,-139.62 05/21/2012 08:45:11 -72.63,-139.56 2.72 13
23 05/21/2012 09:36:04 72.63, 27.69 05/21/2012 09:35:57 72.62, 27.76 2.53 7
24 05/21/2012 10:26:46 -72.62,-165.00 05/21/2012 10:26:41 -72.63,-164.95 1.93 5
25 05/21/2012 11:17:26 72.61, 2.31 05/21/2012 11:17:27 72.63, 2.37 2.69 1
26 05/21/2012 12:08:07 -72.65, 169.72 05/21/2012 12:08:11 -72.64, 169.65 2.54 4
27 05/21/2012 12:58:47 72.64, -22.97 05/21/2012 12:58:57 72.64, -23.03 1.96 10
28 05/21/2012 13:49:29 -72.63, 144.34 05/21/2012 13:49:41 -72.65, 144.26 3.31 12
29 05/21/2012 14:40:09 72.62, -48.35 05/21/2012 14:40:26 72.59, -48.31 3.02 17
30 05/21/2012 15:30:51 -72.61, 118.96 05/21/2012 15:31:10 -72.61, 118.97 0.62 19
31 05/21/2012 16:21:31 72.60, -73.73 05/21/2012 16:21:56 72.60, -73.71 1.07 25
32 05/21/2012 17:12:12 -72.59, 93.58 05/21/2012 17:12:39 -72.62, 93.58 2.98 27
33 05/21/2012 18:02:51 72.63, -99.01 05/21/2012 18:03:25 72.61, -99.10 3.37 34
34 05/21/2012 18:53:34 -72.57, 68.19 05/21/2012 18:54:08 -72.58, 68.29 3.40 34
35 05/21/2012 19:44:13 72.61,-124.40 05/21/2012 19:44:55 72.62,-124.49 3.48 42
36 05/21/2012 20:34:55 -72.60, 42.91 05/21/2012 20:35:38 -72.58, 42.90 1.82 43
37 05/21/2012 21:25:35 72.59,-149.78 05/21/2012 21:26:24 72.58,-149.78 0.86 49
38 05/21/2012 22:16:17 -72.58, 17.53 05/21/2012 22:17:08 -72.59, 17.51 1.65 51
39 05/21/2012 23:06:57 72.57,-175.16 05/21/2012 23:07:54 72.59,-175.17 2.48 57
40 05/21/2012 23:57:39 -72.56, -7.85 05/21/2012 23:58:37 -72.55, -7.78 2.56 58
41 05/22/2012 00:48:19 72.54, 159.46 05/22/2012 00:49:23 72.55, 159.54 2.81 64
42 05/22/2012 01:39:01 -72.54, -33.23 05/22/2012 01:40:07 -72.56, -33.17 3.16 66
43 05/22/2012 02:29:40 72.57, 134.18 05/22/2012 02:30:53 72.55, 134.15 2.44 73
44 05/22/2012 03:20:23 -72.52, -58.61 05/22/2012 03:21:36 -72.52, -58.46 5.18 73
45 05/22/2012 04:11:07 72.30, 108.29 05/22/2012 04:12:19 72.36, 109.17 30.43 72
46 05/22/2012 05:01:50 -72.24, -84.50 05/22/2012 05:03:01 -72.27, -83.35 39.21 71
47 05/22/2012 05:52:35 71.97, 82.31 05/22/2012 05:53:42 72.01, 84.47 74.18 67
48 05/22/2012 06:43:18 -71.91,-110.46 05/22/2012 06:44:25 -71.97,-108.15 80.09 67

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 5/18/2012
SNOs_Map_METOP-A_NPP_20120520.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 05/18/2012 in txt file.

Historical Predictions of SNOs between METOP-A and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service