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: 12/7/2011
Index Date Time (METOP-A) METOP-A Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/15/2011 22:32:44 75.91,-158.12 75.89,-174.39 439.51 15
2 12/15/2011 23:23:30 -75.69, 8.47 -75.67, -6.34 406.64 22
3 12/16/2011 00:14:18 75.32, 174.67 75.29, 162.14 352.82 32
4 12/16/2011 01:05:03 -75.15, -18.54 -75.16, -30.15 330.59 36
5 12/16/2011 01:55:49 74.87, 148.00 74.87, 137.99 290.26 42
6 12/16/2011 02:46:33 -74.74, -45.03 -74.74, -54.33 271.76 45
7 12/16/2011 03:37:19 74.46, 121.54 74.49, 113.65 234.64 50
8 12/16/2011 04:28:02 -74.38, -71.35 -74.36, -78.69 219.82 52
9 12/16/2011 05:18:47 74.15, 95.38 74.11, 89.26 185.97 56
10 12/16/2011 06:09:31 -74.02, -97.62 -74.02,-103.22 171.27 58
11 12/16/2011 07:00:16 73.78, 69.13 73.77, 64.71 137.16 62
12 12/16/2011 07:50:59 -73.70,-123.74 -73.69,-127.78 126.20 63
13 12/16/2011 08:41:44 73.45, 43.03 73.48, 40.02 95.40 66
14 12/16/2011 09:32:27 -73.38,-149.82 -73.40,-152.48 84.60 67
15 12/16/2011 10:23:11 73.18, 17.07 73.19, 15.30 57.07 69
16 12/16/2011 11:13:55 -73.05,-175.88 -73.06,-177.10 39.43 72
17 12/16/2011 12:04:39 72.85, -8.98 72.89, -9.44 15.91 73
18 12/16/2011 12:55:22 -72.78, 158.19 -72.76, 158.15 1.82 75
19 12/16/2011 13:46:02 72.78, -34.47 72.75, -34.52 3.34 69
20 12/16/2011 14:36:44 -72.75, 132.80 -72.77, 132.75 2.82 67
21 12/16/2011 15:27:24 72.76, -59.86 72.76, -59.91 1.88 61
22 12/16/2011 16:18:06 -72.73, 107.41 -72.73, 107.46 1.75 60
23 12/16/2011 17:08:46 72.73, -85.25 72.72, -85.20 1.94 54
24 12/16/2011 17:59:27 -72.76, 82.13 -72.74, 82.07 2.57 51
25 12/16/2011 18:50:08 72.71,-110.64 72.73,-110.60 2.78 46
26 12/16/2011 19:40:49 -72.73, 56.74 -72.75, 56.67 3.20 43
27 12/16/2011 20:31:29 72.74,-135.92 72.74,-135.99 2.60 37
28 12/16/2011 21:22:11 -72.71, 31.36 -72.71, 31.38 0.91 36
29 12/16/2011 22:12:51 72.71,-161.31 72.70,-161.28 1.56 30
30 12/16/2011 23:03:32 -72.74, 6.07 -72.72, 5.99 3.36 27
31 12/16/2011 23:54:13 72.69, 173.31 72.71, 173.32 2.37 22
32 12/17/2011 00:44:54 -72.72, -19.31 -72.68, -19.30 3.67 20
33 12/17/2011 01:35:34 72.72, 148.03 72.72, 147.92 3.37 13
34 12/17/2011 02:26:16 -72.69, -44.70 -72.69, -44.70 0.07 12
35 12/17/2011 03:16:56 72.70, 122.64 72.68, 122.63 1.56 6
36 12/17/2011 04:07:38 -72.67, -70.09 -72.65, -69.99 3.76 5
37 12/17/2011 04:58:18 72.67, 97.25 72.69, 97.24 2.21 2
38 12/17/2011 05:49:00 -72.65, -95.47 -72.66, -95.38 3.50 3
39 12/17/2011 06:39:40 72.65, 71.86 72.65, 71.95 2.83 9
40 12/17/2011 07:30:21 -72.67,-120.76 -72.67,-120.78 0.79 12
41 12/17/2011 08:21:01 72.68, 46.58 72.66, 46.55 1.95 18
42 12/17/2011 09:11:43 -72.65,-146.14 -72.63,-146.07 3.18 19
43 12/17/2011 10:02:23 72.65, 21.19 72.67, 21.16 2.37 26
44 12/17/2011 10:53:05 -72.63,-171.53 -72.64,-171.47 2.71 27
45 12/17/2011 11:43:45 72.63, -4.19 72.63, -4.13 2.00 33
46 12/17/2011 12:34:26 -72.66, 163.19 -72.65, 163.14 1.63 36
47 12/17/2011 13:25:06 72.66, -29.48 72.64, -29.53 2.55 42
48 12/17/2011 14:15:48 -72.63, 137.80 -72.61, 137.85 2.72 43
49 12/17/2011 15:06:28 72.63, -54.86 72.65, -54.93 2.79 50
50 12/17/2011 15:57:10 -72.61, 112.41 -72.62, 112.45 2.00 51
51 12/17/2011 16:47:50 72.61, -80.25 72.61, -80.22 1.17 57
52 12/17/2011 17:38:31 -72.64, 87.13 -72.63, 87.06 2.48 60
53 12/17/2011 18:29:11 72.64,-105.53 72.62,-105.61 3.25 66
54 12/17/2011 19:19:53 -72.61, 61.74 -72.59, 61.77 2.47 67
55 12/17/2011 20:10:33 72.62,-130.92 72.63,-131.01 3.38 74
56 12/17/2011 21:01:16 -72.54, 36.25 -72.55, 36.47 7.53 73
57 12/17/2011 21:52:01 72.29,-156.93 72.34,-155.78 39.03 70
58 12/17/2011 22:42:43 -72.26, 10.35 -72.31, 11.59 42.11 71
59 12/17/2011 23:33:28 72.00, 177.19 72.04, 179.42 76.75 67
60 12/18/2011 00:24:10 -71.93, -15.63 -71.96, -13.11 86.68 66
61 12/18/2011 01:14:55 71.67, 151.22 71.74, 154.61 118.44 63
62 12/18/2011 02:05:38 -71.60, -41.58 -71.66, -37.93 128.18 62
63 12/18/2011 02:56:23 71.33, 125.28 71.38, 129.87 163.34 58