Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between METOP-B and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/5/2021
Index Date (METOP-B) Time (METOP-B) Lat,Lon (METOP-B) SZA (METOP-B ) Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Distance(km) Time Diff (sec)
1 05/07/2021 18:37:06 73.48,-105.80 56.45 05/07/2021 18:36:00 73.52,-108.94 56.63 99.31 66
2 05/07/2021 19:27:49 -73.41, 61.38 123.63 05/07/2021 19:26:42 -73.42, 58.61 123.49 88.01 67
3 05/07/2021 20:18:33 73.21,-131.74 56.18 05/07/2021 20:17:24 73.22,-133.64 56.29 61.04 69
4 05/07/2021 21:09:17 -73.09, 35.34 123.94 05/07/2021 21:08:06 -73.12, 33.90 123.84 46.67 71
5 05/07/2021 22:00:01 72.89,-157.77 55.87 05/07/2021 21:58:48 72.92,-158.36 55.94 19.74 73
6 05/07/2021 22:50:44 -72.82, 9.42 124.21 05/07/2021 22:49:30 -72.82, 9.16 124.18 8.56 74
7 05/07/2021 23:41:25 72.77, 176.64 55.74 05/07/2021 23:40:15 72.77, 176.58 55.76 2.09 70
8 05/08/2021 00:32:07 -72.76, -16.06 124.29 05/08/2021 00:30:59 -72.77, -16.11 124.25 2.60 68
9 05/08/2021 01:22:46 72.75, 151.26 55.70 05/08/2021 01:21:43 72.72, 151.30 55.69 3.30 63
10 05/08/2021 02:13:28 -72.74, -41.43 124.32 05/08/2021 02:12:27 -72.73, -41.38 124.33 2.24 61
11 05/08/2021 03:04:08 72.73, 125.89 55.67 05/08/2021 03:03:13 72.73, 125.93 55.67 1.52 55
12 05/08/2021 03:54:50 -72.72, -66.81 124.36 05/08/2021 03:53:57 -72.73, -66.76 124.34 1.74 53
13 05/08/2021 04:45:30 72.71, 100.51 55.63 05/08/2021 04:44:43 72.73, 100.55 55.65 1.88 47
14 05/08/2021 05:36:12 -72.70, -92.19 124.39 05/08/2021 05:35:27 -72.73, -92.14 124.36 3.24 45
15 05/08/2021 06:26:51 72.75, 75.24 55.64 05/08/2021 06:26:13 72.73, 75.17 55.64 3.08 38
16 05/08/2021 07:17:33 -72.74,-117.46 124.38 05/08/2021 07:16:57 -72.73,-117.52 124.38 2.10 36
17 05/08/2021 08:08:13 72.73, 49.86 55.61 05/08/2021 08:07:43 72.73, 49.79 55.62 2.40 30
18 05/08/2021 08:58:55 -72.72,-142.83 124.42 05/08/2021 08:58:27 -72.73,-142.90 124.39 2.62 28
19 05/08/2021 09:49:35 72.71, 24.48 55.57 05/08/2021 09:49:12 72.68, 24.52 55.55 3.40 23
20 05/08/2021 10:40:17 -72.70,-168.21 124.45 05/08/2021 10:39:56 -72.68,-168.17 124.46 2.27 21
21 05/08/2021 11:30:57 72.69, -0.89 55.54 05/08/2021 11:30:42 72.69, -0.86 55.53 1.39 15
22 05/08/2021 12:21:39 -72.68, 166.41 124.49 05/08/2021 12:21:26 -72.69, 166.45 124.48 1.23 13
23 05/08/2021 13:12:19 72.68, -26.27 55.50 05/08/2021 13:12:12 72.69, -26.24 55.51 1.46 7
24 05/08/2021 14:03:01 -72.67, 141.04 124.52 05/08/2021 14:02:56 -72.69, 141.07 124.50 2.72 5
25 05/08/2021 14:53:41 72.66, -51.64 55.47 05/08/2021 14:53:42 72.69, -51.62 55.50 3.48 1
26 05/08/2021 15:44:22 -72.70, 115.77 124.51 05/08/2021 15:44:26 -72.69, 115.69 124.52 2.61 4
27 05/08/2021 16:35:02 72.69, -76.92 55.48 05/08/2021 16:35:12 72.69, -77.00 55.48 2.76 10
28 05/08/2021 17:25:44 -72.68, 90.39 124.54 05/08/2021 17:25:56 -72.69, 90.31 124.53 2.78 12
29 05/08/2021 18:16:24 72.67,-102.29 55.44 05/08/2021 18:16:41 72.64,-102.27 55.41 3.55 17
30 05/08/2021 19:07:06 -72.66, 65.01 124.58 05/08/2021 19:07:25 -72.64, 65.04 124.60 2.41 19
31 05/08/2021 19:57:46 72.66,-127.67 55.41 05/08/2021 19:58:11 72.64,-127.65 55.39 1.39 25
32 05/08/2021 20:48:28 -72.65, 39.64 124.61 05/08/2021 20:48:55 -72.65, 39.66 124.62 0.77 27
33 05/08/2021 21:39:08 72.64,-153.05 55.37 05/08/2021 21:39:41 72.65,-153.03 55.38 1.05 33
34 05/08/2021 22:29:50 -72.63, 14.26 124.65 05/08/2021 22:30:25 -72.65, 14.28 124.64 2.20 35
35 05/08/2021 23:20:30 72.62,-178.42 55.34 05/08/2021 23:21:11 72.65,-178.41 55.36 3.18 41
36 05/09/2021 00:11:11 -72.66, -11.01 124.64 05/09/2021 00:11:55 -72.65, -11.10 124.65 3.16 44
37 05/09/2021 01:01:51 72.65, 156.30 55.35 05/09/2021 01:02:41 72.65, 156.21 55.34 3.17 50
38 05/09/2021 01:52:33 -72.64, -36.39 124.67 05/09/2021 01:53:25 -72.65, -36.48 124.67 3.05 52
39 05/09/2021 02:43:13 72.64, 130.93 55.31 05/09/2021 02:44:10 72.60, 130.93 55.27 3.73 57
40 05/09/2021 03:33:55 -72.63, -61.76 124.71 05/09/2021 03:34:54 -72.60, -61.75 124.74 2.67 59
41 05/09/2021 04:24:35 72.62, 105.55 55.28 05/09/2021 04:25:40 72.60, 105.56 55.25 1.51 65
42 05/09/2021 05:15:17 -72.61, -87.14 124.74 05/09/2021 05:16:24 -72.61, -87.13 124.76 0.55 67
43 05/09/2021 06:05:57 72.60, 80.18 55.25 05/09/2021 06:07:10 72.61, 80.18 55.24 0.71 73
44 05/09/2021 06:56:40 -72.54,-112.62 124.82 05/09/2021 06:57:53 -72.56,-112.41 124.83 7.30 73
45 05/09/2021 07:47:24 72.33, 54.29 54.98 05/09/2021 07:48:35 72.35, 55.31 54.95 34.60 71
46 05/09/2021 08:38:07 -72.27,-138.50 125.09 05/09/2021 08:39:18 -72.30,-137.28 125.12 41.54 71
47 05/09/2021 09:28:52 72.00, 28.32 54.67 05/09/2021 09:29:59 72.05, 30.53 54.60 76.00 67
48 05/09/2021 10:19:35 -71.94,-164.46 125.39 05/09/2021 10:20:42 -72.00,-162.06 125.46 82.74 67

Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 5/5/2021
SNOs_Map_METOP-B_NPP_20210506.jpg

Download SNOs between METOP-B and NPP since TLE EPOCH: 05/05/2021 in txt file.

Historial Predications of SNOs between METOP-B and NPP