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: 12/11/2011
Index Date Time (METOP-A) METOP-A Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/15/2011 22:32:45 75.90,-158.15 75.91,-174.45 440.14 15
2 12/15/2011 23:23:31 -75.68, 8.43 -75.68, -6.40 407.12 22
3 12/16/2011 00:14:19 75.32, 174.64 75.31, 162.08 353.41 32
4 12/16/2011 01:05:03 -75.18, -18.43 -75.18, -30.21 334.53 35
5 12/16/2011 01:55:50 74.86, 147.97 74.88, 137.94 290.86 42
6 12/16/2011 02:46:33 -74.73, -45.07 -74.75, -54.38 272.22 45
7 12/16/2011 03:37:18 74.50, 121.64 74.51, 113.60 238.69 49
8 12/16/2011 04:28:02 -74.37, -71.38 -74.38, -78.74 220.23 52
9 12/16/2011 05:18:47 74.14, 95.35 74.12, 89.22 186.47 56
10 12/16/2011 06:09:31 -74.00, -97.65 -74.04,-103.26 171.74 58
11 12/16/2011 07:00:15 73.82, 69.22 73.79, 64.67 141.23 61
12 12/16/2011 07:50:59 -73.68,-123.77 -73.71,-127.82 126.60 63
13 12/16/2011 08:41:43 73.49, 43.12 73.50, 39.97 99.38 65
14 12/16/2011 09:32:27 -73.36,-149.85 -73.37,-152.41 81.45 68
15 12/16/2011 10:23:11 73.17, 17.05 73.15, 15.37 54.06 70
16 12/16/2011 11:13:54 -73.09,-175.80 -73.08,-177.14 43.29 71
17 12/16/2011 12:04:38 72.89, -8.89 72.86, -9.37 16.08 73
18 12/16/2011 12:55:21 -72.81, 158.26 -72.78, 158.11 6.02 74
19 12/16/2011 13:46:02 72.77, -34.50 72.77, -34.56 1.92 69
20 12/16/2011 14:36:44 -72.74, 132.77 -72.74, 132.82 1.73 68
21 12/16/2011 15:27:24 72.74, -59.89 72.73, -59.85 2.14 62
22 12/16/2011 16:18:05 -72.77, 107.49 -72.75, 107.42 2.54 59
23 12/16/2011 17:08:46 72.72, -85.27 72.74, -85.24 2.36 54
24 12/16/2011 17:59:27 -72.74, 82.10 -72.76, 82.03 3.24 51
25 12/16/2011 18:50:07 72.75,-110.56 72.75,-110.64 2.64 45
26 12/16/2011 19:40:49 -72.72, 56.71 -72.72, 56.74 0.97 44
27 12/16/2011 20:31:29 72.72,-135.94 72.71,-135.93 1.89 38
28 12/16/2011 21:22:10 -72.75, 31.43 -72.73, 31.34 3.25 35
29 12/16/2011 22:12:51 72.70,-161.33 72.72,-161.32 1.99 30
30 12/16/2011 23:03:32 -72.72, 6.04 -72.69, 6.05 3.56 28
31 12/16/2011 23:54:12 72.73, 173.39 72.73, 173.28 3.37 21
32 12/17/2011 00:44:54 -72.70, -19.35 -72.70, -19.34 0.24 20
33 12/17/2011 01:35:34 72.71, 148.00 72.69, 147.99 1.90 14
34 12/17/2011 02:26:16 -72.68, -44.73 -72.66, -44.63 3.81 13
35 12/17/2011 03:16:56 72.68, 122.61 72.70, 122.60 1.89 6
36 12/17/2011 04:07:37 -72.70, -70.02 -72.67, -70.03 3.69 4
37 12/17/2011 04:58:18 72.66, 97.22 72.66, 97.31 2.89 1
38 12/17/2011 05:48:59 -72.68, -95.40 -72.68, -95.42 0.59 4
39 12/17/2011 06:39:39 72.69, 71.94 72.67, 71.91 2.17 10
40 12/17/2011 07:30:21 -72.66,-120.79 -72.64,-120.71 3.23 11
41 12/17/2011 08:21:01 72.66, 46.55 72.68, 46.52 2.08 18
42 12/17/2011 09:11:43 -72.63,-146.18 -72.65,-146.11 3.03 19
43 12/17/2011 10:02:23 72.64, 21.16 72.64, 21.23 2.15 25
44 12/17/2011 10:53:04 -72.66,-171.46 -72.66,-171.50 1.34 28
45 12/17/2011 11:43:44 72.67, -4.12 72.65, -4.17 2.63 34
46 12/17/2011 12:34:26 -72.64, 163.15 -72.62, 163.21 2.73 35
47 12/17/2011 13:25:06 72.64, -29.51 72.66, -29.56 2.49 42
48 12/17/2011 14:15:48 -72.61, 137.76 -72.63, 137.81 2.40 43
49 12/17/2011 15:06:28 72.62, -54.90 72.62, -54.85 1.41 49
50 12/17/2011 15:57:09 -72.64, 112.48 -72.64, 112.42 2.10 52
51 12/17/2011 16:47:49 72.65, -80.18 72.63, -80.25 3.18 58
52 12/17/2011 17:38:31 -72.62, 87.09 -72.60, 87.12 2.36 59
53 12/17/2011 18:29:11 72.62,-105.57 72.64,-105.64 3.05 66
54 12/17/2011 19:19:53 -72.60, 61.70 -72.61, 61.73 1.88 67
55 12/17/2011 20:10:33 72.60,-130.95 72.60,-130.94 0.71 73
56 12/17/2011 21:01:16 -72.52, 36.21 -72.57, 36.44 9.29 73
57 12/17/2011 21:52:00 72.32,-156.86 72.35,-155.82 35.39 71
58 12/17/2011 22:42:43 -72.24, 10.32 -72.27, 11.66 45.59 70
59 12/17/2011 23:33:28 71.99, 177.16 72.05, 179.39 77.12 67
60 12/18/2011 00:24:11 -71.91, -15.66 -71.98, -13.14 87.14 66
61 12/18/2011 01:14:56 71.65, 151.19 71.70, 154.67 121.94 62
62 12/18/2011 02:05:38 -71.63, -41.53 -71.68, -37.96 124.87 63
63 12/18/2011 02:56:24 71.32, 125.25 71.40, 129.84 163.67 58
64 12/18/2011 03:47:07 -71.24, -67.56 -71.32, -62.71 173.37 57
65 12/18/2011 04:37:52 70.98, 99.32 70.99, 105.17 212.00 52
66 12/18/2011 05:28:35 -70.90, -93.47 -70.92, -87.38 221.52 51
67 12/18/2011 06:19:20 70.58, 73.33 70.63, 80.39 260.67 46
68 12/18/2011 07:10:03 -70.51,-119.46 -70.51,-112.09 273.42 44
69 12/18/2011 08:00:50 70.14, 47.28 70.17, 55.76 319.78 37
70 12/18/2011 08:51:34 -70.01,-145.58 -70.10,-136.81 332.47 35
71 12/18/2011 09:42:22 69.58, 21.10 69.59, 31.25 392.98 24

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 12/11/2011
SNOs_Map_METOP-A_NPP_20111212.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 12/11/2011 in txt file.

Historical Predictions of SNOs between METOP-A and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service