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: 4/21/2023
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 00:35:16 -73.69, -15.05 120.33 04/28/2023 00:34:09 -73.65, -17.94 120.24 90.64 67
2 04/28/2023 01:25:59 73.48, 151.80 59.47 04/28/2023 01:24:50 73.47, 149.80 59.55 63.35 69
3 04/28/2023 02:16:43 -73.37, -41.12 120.65 04/28/2023 02:15:32 -73.37, -42.65 120.57 48.83 71
4 04/28/2023 03:07:27 73.16, 125.74 59.15 04/28/2023 03:06:14 73.18, 125.08 59.21 21.54 73
5 04/28/2023 03:58:10 -73.10, -67.06 120.92 04/28/2023 03:56:56 -73.07, -67.39 120.91 10.88 74
6 04/28/2023 04:48:52 72.98, 100.03 58.97 04/28/2023 04:47:40 72.98, 100.12 58.98 2.96 72
7 04/28/2023 05:39:34 -72.97, -92.67 121.05 04/28/2023 05:38:24 -72.98, -92.57 121.03 3.38 70
8 04/28/2023 06:30:13 73.01, 74.74 58.97 04/28/2023 06:29:10 72.99, 74.72 58.97 1.93 63
9 04/28/2023 07:20:55 -73.00,-117.95 121.05 04/28/2023 07:19:54 -72.99,-117.96 121.05 1.03 61
10 04/28/2023 08:11:35 72.99, 49.36 58.93 04/28/2023 08:10:40 73.00, 49.33 58.96 2.08 55
11 04/28/2023 09:02:17 -72.98,-143.34 121.09 04/28/2023 09:01:24 -73.00,-143.36 121.06 2.78 53
12 04/28/2023 09:52:57 72.96, 23.97 58.89 04/28/2023 09:52:09 72.96, 24.04 58.89 2.38 48
13 04/28/2023 10:43:39 -72.96,-168.72 121.14 04/28/2023 10:42:53 -72.96,-168.64 121.13 2.70 46
14 04/28/2023 11:34:18 72.99, -1.31 58.89 04/28/2023 11:33:39 72.97, -1.35 58.88 2.51 39
15 04/28/2023 12:25:00 -72.98, 166.00 121.13 04/28/2023 12:24:23 -72.97, 165.96 121.14 1.70 37
16 04/28/2023 13:15:40 72.97, -26.70 58.85 04/28/2023 13:15:09 72.98, -26.75 58.87 2.14 31
17 04/28/2023 14:06:22 -72.96, 140.61 121.18 04/28/2023 14:05:53 -72.98, 140.57 121.15 2.61 29
18 04/28/2023 14:57:02 72.94, -52.09 58.80 04/28/2023 14:56:38 72.94, -52.04 58.80 1.85 24
19 04/28/2023 15:47:44 -72.94, 115.22 121.22 04/28/2023 15:47:22 -72.94, 115.28 121.22 2.04 22
20 04/28/2023 16:38:23 72.97, -77.37 58.81 04/28/2023 16:38:08 72.95, -77.43 58.79 3.12 15
21 04/28/2023 17:29:05 -72.96, 89.94 121.22 04/28/2023 17:28:52 -72.95, 89.89 121.23 2.39 13
22 04/28/2023 18:19:45 72.95,-102.76 58.76 04/28/2023 18:19:38 72.96,-102.83 58.78 2.41 7
23 04/28/2023 19:10:27 -72.94, 64.55 121.26 04/28/2023 19:10:22 -72.96, 64.49 121.24 2.65 5
24 04/28/2023 20:01:07 72.93,-128.15 58.72 04/28/2023 20:01:07 72.92,-128.11 58.71 1.45 0
25 04/28/2023 20:51:49 -72.92, 39.16 121.30 04/28/2023 20:51:51 -72.92, 39.20 121.31 1.42 2
26 04/28/2023 21:42:29 72.90,-153.54 58.68 04/28/2023 21:42:37 72.93,-153.51 58.70 3.02 8
27 04/28/2023 22:33:10 -72.95, 13.88 121.30 04/28/2023 22:33:21 -72.93, 13.81 121.32 3.09 11
28 04/28/2023 23:23:50 72.93,-178.82 58.68 04/28/2023 23:24:07 72.94,-178.90 58.69 2.82 17
29 04/29/2023 00:14:32 -72.92, -11.51 121.34 04/29/2023 00:14:51 -72.94, -11.59 121.33 2.89 19
30 04/29/2023 01:05:12 72.91, 155.79 58.64 04/29/2023 01:05:36 72.90, 155.81 58.62 1.27 24
31 04/29/2023 01:55:54 -72.90, -36.90 121.39 04/29/2023 01:56:20 -72.90, -36.87 121.40 0.94 26
32 04/29/2023 02:46:34 72.88, 130.40 58.59 04/29/2023 02:47:06 72.91, 130.41 58.61 2.57 32
33 04/29/2023 03:37:16 -72.88, -62.29 121.43 04/29/2023 03:37:50 -72.91, -62.27 121.41 3.20 34
34 04/29/2023 04:27:55 72.91, 105.12 58.60 04/29/2023 04:28:36 72.92, 105.02 58.60 3.33 41
35 04/29/2023 05:18:37 -72.90, -87.57 121.43 04/29/2023 05:19:20 -72.91, -87.66 121.42 3.28 43
36 04/29/2023 06:09:17 72.89, 79.73 58.55 04/29/2023 06:10:05 72.87, 79.73 58.53 1.42 48
37 04/29/2023 06:59:59 -72.88,-112.96 121.47 04/29/2023 07:00:49 -72.87,-112.95 121.49 0.86 50
38 04/29/2023 07:50:39 72.86, 54.34 58.51 04/29/2023 07:51:35 72.88, 54.34 58.52 2.26 56
39 04/29/2023 08:41:21 -72.86,-138.34 121.51 04/29/2023 08:42:19 -72.88,-138.34 121.50 2.80 58
40 04/29/2023 09:32:01 72.84, 28.95 58.47 04/29/2023 09:33:04 72.84, 29.05 58.45 3.09 63
41 04/29/2023 10:22:43 -72.84,-163.73 121.55 04/29/2023 10:23:48 -72.84,-163.63 121.56 3.36 65
42 04/29/2023 11:13:22 72.87, 3.67 58.47 04/29/2023 11:14:34 72.85, 3.65 58.44 1.80 72
43 04/29/2023 12:04:04 -72.86, 170.99 121.55 04/29/2023 12:05:18 -72.85, 170.97 121.57 1.25 74
44 04/29/2023 12:54:48 72.64, -22.14 58.24 04/29/2023 12:56:00 72.66, -21.32 58.21 27.12 72
45 04/29/2023 13:45:32 -72.54, 144.97 121.87 04/29/2023 13:46:43 -72.61, 146.10 121.86 38.39 71
46 04/29/2023 14:36:16 72.31, -48.13 57.92 04/29/2023 14:37:24 72.36, -46.10 57.87 68.89 68
47 04/29/2023 15:26:59 -72.26, 119.09 122.14 04/29/2023 15:28:07 -72.31, 121.32 122.20 75.73 68

Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 4/21/2023
SNOs_Map_METOP-B_NPP_20230421.jpg

Download SNOs between METOP-B and NPP since TLE EPOCH: 04/21/2023 in txt file.

Historial Predications of SNOs between METOP-B and NPP