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: 12/10/2011
Index Date Time (METOP-A) METOP-A Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 12/15/2011 22:32:42 76.06,-157.62 76.04,-174.90 461.75 10
2 12/15/2011 23:23:29 -75.79, 8.79 -75.77, -6.69 421.74 19
3 12/16/2011 00:14:18 75.38, 174.84 75.40, 161.81 364.74 30
4 12/16/2011 01:05:02 -75.25, -18.24 -75.27, -30.47 345.79 33
5 12/16/2011 01:55:48 74.93, 148.16 74.93, 137.81 298.81 41
6 12/16/2011 02:46:32 -74.80, -44.88 -74.80, -54.50 280.10 44
7 12/16/2011 03:37:17 74.57, 121.82 74.55, 113.48 246.74 48
8 12/16/2011 04:28:01 -74.44, -71.20 -74.42, -78.85 228.23 51
9 12/16/2011 05:18:46 74.20, 95.52 74.17, 89.10 194.64 55
10 12/16/2011 06:09:30 -74.07, -97.48 -74.09,-103.38 179.78 57
11 12/16/2011 07:00:15 73.84, 69.27 73.84, 64.55 145.92 61
12 12/16/2011 07:50:58 -73.75,-123.60 -73.76,-127.93 134.76 62
13 12/16/2011 08:41:43 73.51, 43.17 73.55, 39.86 104.27 65
14 12/16/2011 09:32:26 -73.43,-149.69 -73.42,-152.52 89.74 67
15 12/16/2011 10:23:10 73.24, 17.20 73.21, 15.26 62.58 69
16 12/16/2011 11:13:54 -73.11,-175.76 -73.13,-177.25 48.18 71
17 12/16/2011 12:04:38 72.91, -8.85 72.91, -9.48 20.70 73
18 12/16/2011 12:55:21 -72.83, 158.31 -72.84, 158.00 10.05 74
19 12/16/2011 13:46:02 72.79, -34.45 72.77, -34.56 3.91 70
20 12/16/2011 14:36:44 -72.76, 132.82 -72.75, 132.82 1.73 69
21 12/16/2011 15:27:24 72.77, -59.84 72.73, -59.85 3.63 63
22 12/16/2011 16:18:06 -72.74, 107.43 -72.76, 107.42 2.06 61
23 12/16/2011 17:08:46 72.74, -85.23 72.75, -85.25 0.68 55
24 12/16/2011 17:59:28 -72.72, 82.04 -72.72, 82.13 2.92 54
25 12/16/2011 18:50:08 72.72,-110.62 72.71,-110.54 3.02 48
26 12/16/2011 19:40:49 -72.74, 56.76 -72.73, 56.73 1.91 45
27 12/16/2011 20:31:30 72.70,-136.00 72.72,-135.94 3.04 40
28 12/16/2011 21:22:11 -72.72, 31.37 -72.74, 31.33 2.46 37
29 12/16/2011 22:12:51 72.73,-161.28 72.73,-161.33 1.70 31
30 12/16/2011 23:03:33 -72.70, 5.99 -72.70, 6.04 1.89 30
31 12/16/2011 23:54:13 72.70, 173.33 72.69, 173.37 2.17 24
32 12/17/2011 00:44:54 -72.73, -19.30 -72.71, -19.36 2.53 21
33 12/17/2011 01:35:35 72.68, 147.94 72.70, 147.98 2.50 16
34 12/17/2011 02:26:16 -72.70, -44.68 -72.72, -44.75 3.17 13
35 12/17/2011 03:16:56 72.71, 122.66 72.71, 122.58 2.73 7
36 12/17/2011 04:07:38 -72.68, -70.07 -72.68, -70.04 0.90 6
37 12/17/2011 04:58:18 72.68, 97.27 72.67, 97.29 1.55 0
38 12/17/2011 05:48:59 -72.71, -95.35 -72.69, -95.44 3.36 3
39 12/17/2011 06:39:40 72.66, 71.89 72.68, 71.89 2.34 8
40 12/17/2011 07:30:21 -72.68,-120.74 -72.65,-120.73 3.38 10
41 12/17/2011 08:21:02 72.64, 46.50 72.64, 46.60 3.29 15
42 12/17/2011 09:11:43 -72.66,-146.13 -72.67,-146.13 0.48 18
43 12/17/2011 10:02:23 72.67, 21.22 72.65, 21.20 1.48 24
44 12/17/2011 10:53:05 -72.64,-171.51 -72.63,-171.42 3.24 25
45 12/17/2011 11:43:45 72.64, -4.17 72.67, -4.20 2.65 32
46 12/17/2011 12:34:26 -72.67, 163.21 -72.64, 163.18 3.39 34
47 12/17/2011 13:25:07 72.62, -29.56 72.63, -29.49 2.29 39
48 12/17/2011 14:15:48 -72.64, 137.82 -72.65, 137.78 1.38 42
49 12/17/2011 15:06:28 72.65, -54.84 72.64, -54.89 2.04 48
50 12/17/2011 15:57:10 -72.62, 112.43 -72.61, 112.49 2.26 49
51 12/17/2011 16:47:50 72.62, -80.23 72.65, -80.29 3.29 56
52 12/17/2011 17:38:32 -72.60, 87.05 -72.62, 87.09 2.93 57
53 12/17/2011 18:29:12 72.60,-105.61 72.61,-105.58 1.39 63
54 12/17/2011 19:19:53 -72.63, 61.76 -72.63, 61.69 2.42 66
55 12/17/2011 20:10:33 72.63,-130.90 72.62,-130.98 2.89 72
56 12/17/2011 21:01:15 -72.60, 36.38 -72.59, 36.40 1.40 73
57 12/17/2011 21:52:00 72.35,-156.80 72.43,-155.96 29.55 71
58 12/17/2011 22:42:42 -72.32, 10.48 -72.35, 11.52 35.21 71
59 12/17/2011 23:33:27 72.07, 177.31 72.13, 179.25 66.59 68
60 12/18/2011 00:24:10 -71.99, -15.51 -72.05, -13.28 76.66 67
61 12/18/2011 01:14:55 71.74, 151.34 71.78, 154.54 111.30 63
62 12/18/2011 02:05:37 -71.71, -41.37 -71.75, -38.10 114.29 64
63 12/18/2011 02:56:23 71.40, 125.39 71.48, 129.71 152.92 59
64 12/18/2011 03:47:05 -71.38, -67.32 -71.40, -62.84 158.99 59
65 12/18/2011 04:37:51 71.06, 99.47 71.13, 104.95 197.77 54
66 12/18/2011 05:28:33 -70.99, -93.33 -71.05, -87.60 207.36 53
67 12/18/2011 06:19:19 70.67, 73.47 70.72, 80.26 249.70 47
68 12/18/2011 07:10:02 -70.60,-119.32 -70.64,-112.30 259.08 46
69 12/18/2011 08:00:49 70.22, 47.42 70.31, 55.55 305.31 39
70 12/18/2011 08:51:32 -70.15,-145.37 -70.18,-136.94 317.84 37
71 12/18/2011 09:42:20 69.72, 21.31 69.79, 30.97 371.33 28
72 12/18/2011 10:33:03 -69.65,-171.46 -69.66,-161.53 383.66 26

Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 12/10/2011
SNOs_Map_METOP-A_NPP_20111211.jpg

Download SNOs between METOP-A and NPP since TLE EPOCH: 12/10/2011 in txt file.

Historical Predictions of SNOs between METOP-A and NPP