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: 4/17/2023
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 04/28/2023 01:26:01 73.59, 152.04 59.57 04/28/2023 01:24:53 73.58, 149.55 59.67 78.20 68
2 04/28/2023 02:16:45 -73.48, -40.88 120.54 04/28/2023 02:15:35 -73.47, -42.89 120.46 63.63 70
3 04/28/2023 03:07:29 73.27, 125.97 59.25 04/28/2023 03:06:17 73.29, 124.83 59.33 36.45 72
4 04/28/2023 03:58:12 -73.21, -66.83 120.81 04/28/2023 03:56:59 -73.18, -67.62 120.80 25.66 73
5 04/28/2023 04:48:56 72.99, 100.03 58.98 04/28/2023 04:47:41 72.99, 100.09 58.99 2.01 75
6 04/28/2023 05:39:38 -72.99, -92.65 121.04 04/28/2023 05:38:25 -72.99, -92.58 121.03 2.25 73
7 04/28/2023 06:30:17 73.02, 74.76 58.98 04/28/2023 06:29:11 73.00, 74.70 58.98 2.51 66
8 04/28/2023 07:20:59 -73.02,-117.93 121.04 04/28/2023 07:19:55 -73.00,-117.98 121.04 2.38 64
9 04/28/2023 08:11:39 73.00, 49.37 58.94 04/28/2023 08:10:41 73.01, 49.30 58.97 2.72 58
10 04/28/2023 09:02:21 -72.99,-143.31 121.08 04/28/2023 09:01:25 -73.01,-143.37 121.05 2.45 56
11 04/28/2023 09:53:01 72.98, 23.98 58.90 04/28/2023 09:52:10 72.97, 24.02 58.90 1.22 51
12 04/28/2023 10:43:43 -72.97,-168.70 121.12 04/28/2023 10:42:54 -72.97,-168.66 121.12 1.49 49
13 04/28/2023 11:34:23 72.95, -1.40 58.86 04/28/2023 11:33:40 72.98, -1.38 58.89 3.27 43
14 04/28/2023 12:25:04 -72.95, 165.91 121.16 04/28/2023 12:24:23 -72.98, 165.95 121.13 3.21 41
15 04/28/2023 13:15:43 72.98, -26.68 58.86 04/28/2023 13:15:09 72.99, -26.77 58.88 3.06 34
16 04/28/2023 14:06:25 -72.98, 140.64 121.16 04/28/2023 14:05:53 -72.99, 140.55 121.14 2.77 32
17 04/28/2023 14:57:05 72.96, -52.07 58.82 04/28/2023 14:56:38 72.95, -52.06 58.81 1.14 27
18 04/28/2023 15:47:47 -72.96, 115.25 121.20 04/28/2023 15:47:22 -72.95, 115.27 121.21 1.39 25
19 04/28/2023 16:38:27 72.94, -77.46 58.78 04/28/2023 16:38:08 72.96, -77.45 58.80 2.43 19
20 04/28/2023 17:29:09 -72.94, 89.86 121.24 04/28/2023 17:28:52 -72.96, 89.87 121.22 2.25 17
21 04/28/2023 18:19:49 72.92,-102.84 58.73 04/28/2023 18:19:37 72.92,-102.74 58.73 3.31 12
22 04/28/2023 19:10:30 -72.96, 64.58 121.24 04/28/2023 19:10:22 -72.97, 64.48 121.23 3.45 8
23 04/28/2023 20:01:10 72.95,-128.12 58.74 04/28/2023 20:01:07 72.93,-128.14 58.72 1.86 3
24 04/28/2023 20:51:52 -72.94, 39.20 121.28 04/28/2023 20:51:51 -72.92, 39.19 121.30 2.04 1
25 04/28/2023 21:42:32 72.92,-153.51 58.70 04/28/2023 21:42:37 72.94,-153.53 58.71 1.88 5
26 04/28/2023 22:33:14 -72.92, 13.81 121.32 04/28/2023 22:33:21 -72.93, 13.80 121.31 1.55 7
27 04/28/2023 23:23:54 72.90,-178.89 58.65 04/28/2023 23:24:06 72.90,-178.82 58.64 2.50 12
28 04/29/2023 00:14:36 -72.90, -11.57 121.36 04/29/2023 00:14:50 -72.89, -11.49 121.38 2.76 14
29 04/29/2023 01:05:15 72.93, 155.83 58.66 04/29/2023 01:05:36 72.91, 155.79 58.63 2.81 21
30 04/29/2023 01:55:57 -72.93, -36.85 121.36 04/29/2023 01:56:20 -72.90, -36.89 121.39 2.97 23
31 04/29/2023 02:46:37 72.91, 130.44 58.61 04/29/2023 02:47:06 72.92, 130.39 58.62 1.88 29
32 04/29/2023 03:37:19 -72.91, -62.24 121.40 04/29/2023 03:37:50 -72.91, -62.28 121.40 1.53 31
33 04/29/2023 04:27:59 72.89, 105.05 58.57 04/29/2023 04:28:35 72.88, 105.10 58.55 1.95 36
34 04/29/2023 05:18:41 -72.88, -87.63 121.44 04/29/2023 05:19:19 -72.87, -87.57 121.47 2.30 38
35 04/29/2023 06:09:21 72.86, 79.67 58.53 04/29/2023 06:10:05 72.89, 79.71 58.54 2.82 44
36 04/29/2023 07:00:03 -72.86,-113.01 121.49 04/29/2023 07:00:49 -72.88,-112.96 121.48 2.63 46
37 04/29/2023 07:50:42 72.89, 54.39 58.53 04/29/2023 07:51:35 72.90, 54.31 58.53 2.43 53
38 04/29/2023 08:41:24 -72.89,-138.29 121.48 04/29/2023 08:42:19 -72.89,-138.36 121.49 2.19 55
39 04/29/2023 09:32:04 72.87, 29.00 58.49 04/29/2023 09:33:04 72.85, 29.03 58.47 1.91 60
40 04/29/2023 10:22:46 -72.87,-163.68 121.52 04/29/2023 10:23:48 -72.85,-163.65 121.56 2.33 62
41 04/29/2023 11:13:26 72.85, 3.62 58.45 04/29/2023 11:14:34 72.86, 3.63 58.45 1.88 68
42 04/29/2023 12:04:08 -72.85, 170.94 121.57 04/29/2023 12:05:18 -72.86, 170.96 121.57 1.57 70
43 04/29/2023 12:54:49 72.78, -21.88 58.36 04/29/2023 12:56:03 72.82, -21.66 58.39 8.98 74
44 04/29/2023 13:45:33 -72.67, 145.24 121.75 04/29/2023 13:46:45 -72.72, 145.88 121.74 21.80 72
45 04/29/2023 14:36:17 72.45, -47.88 58.04 04/29/2023 14:37:27 72.53, -46.43 58.05 49.53 70
46 04/29/2023 15:27:00 -72.40, 119.34 122.02 04/29/2023 15:28:09 -72.42, 121.10 122.08 59.18 69
47 04/29/2023 16:17:44 72.17, -73.77 57.77 04/29/2023 16:18:50 72.18, -71.12 57.66 90.26 66

Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 4/17/2023
SNOs_Map_METOP-B_NPP_20230417.jpg

Download SNOs between METOP-B and NPP since TLE EPOCH: 04/17/2023 in txt file.

Historial Predications of SNOs between METOP-B and NPP