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: 12/13/2011
Index Date Time (METOP-A) METOP-A Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/15/2011 22:32:44 75.96,-157.96 75.96,-174.64 448.61 13
2 12/15/2011 23:23:30 -75.74, 8.62 -75.74, -6.60 415.69 20
3 12/16/2011 00:14:19 75.33, 174.67 75.36, 161.91 358.47 31
4 12/16/2011 01:05:03 -75.20, -18.40 -75.19, -30.25 336.23 35
5 12/16/2011 01:55:50 74.88, 148.01 74.89, 137.91 292.48 42
6 12/16/2011 02:46:33 -74.79, -44.90 -74.77, -54.42 277.44 44
7 12/16/2011 03:37:19 74.52, 121.67 74.52, 113.57 240.34 49
8 12/16/2011 04:28:03 -74.38, -71.35 -74.39, -78.77 222.02 52
9 12/16/2011 05:18:48 74.15, 95.38 74.13, 89.19 188.17 56
10 12/16/2011 06:09:31 -74.07, -97.50 -74.06,-103.30 177.00 57
11 12/16/2011 07:00:16 73.83, 69.25 73.80, 64.64 142.99 61
12 12/16/2011 07:50:59 -73.70,-123.74 -73.72,-127.86 128.47 63
13 12/16/2011 08:41:43 73.51, 43.15 73.51, 39.95 101.16 65
14 12/16/2011 09:32:27 -73.38,-149.82 -73.43,-152.56 87.04 67
15 12/16/2011 10:23:11 73.19, 17.08 73.22, 15.23 59.45 69
16 12/16/2011 11:13:54 -73.11,-175.77 -73.09,-177.17 45.26 71
17 12/16/2011 12:04:38 72.91, -8.86 72.87, -9.40 18.09 73
18 12/16/2011 12:55:21 -72.83, 158.29 -72.80, 158.08 8.02 74
19 12/16/2011 13:46:03 72.74, -34.57 72.73, -34.48 3.27 71
20 12/16/2011 14:36:44 -72.76, 132.80 -72.76, 132.79 0.39 68
21 12/16/2011 15:27:24 72.76, -59.85 72.74, -59.87 2.69 62
22 12/16/2011 16:18:06 -72.73, 107.41 -72.72, 107.50 3.50 61
23 12/16/2011 17:08:46 72.74, -85.24 72.75, -85.27 1.38 54
24 12/16/2011 17:59:28 -72.71, 82.03 -72.73, 82.10 2.99 53
25 12/16/2011 18:50:08 72.72,-110.63 72.71,-110.56 2.51 47
26 12/16/2011 19:40:49 -72.74, 56.75 -72.74, 56.71 1.31 44
27 12/16/2011 20:31:29 72.75,-135.91 72.72,-135.95 3.23 38
28 12/16/2011 21:22:11 -72.72, 31.36 -72.70, 31.42 3.05 37
29 12/16/2011 22:12:51 72.72,-161.30 72.73,-161.35 1.93 30
30 12/16/2011 23:03:33 -72.69, 5.97 -72.71, 6.02 2.10 29
31 12/16/2011 23:54:13 72.70, 173.32 72.69, 173.36 1.86 23
32 12/17/2011 00:44:54 -72.72, -19.31 -72.72, -19.37 2.24 20
33 12/17/2011 01:35:35 72.68, 147.93 72.70, 147.97 2.81 15
34 12/17/2011 02:26:16 -72.70, -44.70 -72.68, -44.66 2.83 13
35 12/17/2011 03:16:56 72.71, 122.65 72.71, 122.57 2.68 6
36 12/17/2011 04:07:38 -72.68, -70.08 -72.69, -70.06 1.29 5
37 12/17/2011 04:58:18 72.68, 97.26 72.67, 97.28 1.51 1
38 12/17/2011 05:48:59 -72.71, -95.36 -72.70, -95.46 3.17 4
39 12/17/2011 06:39:40 72.66, 71.88 72.68, 71.88 2.33 9
40 12/17/2011 07:30:21 -72.68,-120.75 -72.66,-120.75 2.90 11
41 12/17/2011 08:21:02 72.64, 46.49 72.64, 46.59 3.50 16
42 12/17/2011 09:11:43 -72.66,-146.14 -72.67,-146.14 0.80 19
43 12/17/2011 10:02:23 72.67, 21.21 72.65, 21.20 1.65 25
44 12/17/2011 10:53:05 -72.64,-171.52 -72.63,-171.43 3.25 26
45 12/17/2011 11:43:45 72.64, -4.18 72.66, -4.20 2.16 33
46 12/17/2011 12:34:26 -72.66, 163.19 -72.64, 163.17 3.24 35
47 12/17/2011 13:25:07 72.62, -29.57 72.62, -29.49 2.60 40
48 12/17/2011 14:15:48 -72.64, 137.81 -72.65, 137.78 1.17 43
49 12/17/2011 15:06:28 72.65, -54.85 72.63, -54.88 2.20 49
50 12/17/2011 15:57:10 -72.62, 112.42 -72.61, 112.49 2.56 50
51 12/17/2011 16:47:50 72.62, -80.23 72.64, -80.28 2.38 57
52 12/17/2011 17:38:32 -72.60, 87.04 -72.62, 87.09 2.90 58
53 12/17/2011 18:29:12 72.60,-105.62 72.60,-105.57 1.70 64
54 12/17/2011 19:19:53 -72.62, 61.75 -72.63, 61.69 1.97 67
55 12/17/2011 20:10:33 72.63,-130.90 72.61,-130.97 2.94 73
56 12/17/2011 21:01:16 -72.55, 36.26 -72.59, 36.40 6.14 73
57 12/17/2011 21:52:00 72.35,-156.81 72.37,-155.85 32.48 71
58 12/17/2011 22:42:43 -72.27, 10.37 -72.34, 11.52 39.81 71
59 12/17/2011 23:33:28 72.02, 177.21 72.07, 179.36 74.14 67
60 12/18/2011 00:24:11 -71.94, -15.61 -71.99, -13.18 84.05 66
61 12/18/2011 01:14:56 71.68, 151.24 71.77, 154.55 115.82 63
62 12/18/2011 02:05:38 -71.66, -41.48 -71.69, -38.00 121.78 63
63 12/18/2011 02:56:24 71.35, 125.30 71.41, 129.82 160.64 58
64 12/18/2011 03:47:06 -71.33, -67.42 -71.34, -62.74 166.57 58
65 12/18/2011 04:37:52 71.01, 99.37 71.06, 105.06 205.58 53
66 12/18/2011 05:28:35 -70.94, -93.43 -70.99, -87.50 214.97 52
67 12/18/2011 06:19:21 70.62, 73.38 70.65, 80.37 257.60 46
68 12/18/2011 07:10:04 -70.55,-119.41 -70.58,-112.20 266.77 45
69 12/18/2011 08:00:51 70.17, 47.33 70.24, 55.65 313.25 38
70 12/18/2011 08:51:34 -70.10,-145.46 -70.12,-136.84 325.61 36
71 12/18/2011 09:42:23 69.62, 21.15 69.66, 31.14 386.36 25

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 12/13/2011
SNOs_Map_METOP-A_NPP_20111214.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 12/13/2011 in txt file.

Historical Predictions of SNOs between METOP-A and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service