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: 4/15/2023
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 73.60, 152.06 59.58 04/28/2023 01:24:53 73.58, 149.53 59.68 79.24 68
2 04/28/2023 02:16:45 -73.49, -40.86 120.53 04/28/2023 02:15:36 -73.53, -43.02 120.40 68.22 69
3 04/28/2023 03:07:29 73.27, 125.99 59.26 04/28/2023 03:06:17 73.29, 124.82 59.34 37.48 72
4 04/28/2023 03:58:12 -73.22, -66.81 120.81 04/28/2023 03:56:59 -73.19, -67.63 120.79 26.76 73
5 04/28/2023 04:48:56 73.00, 100.05 58.99 04/28/2023 04:47:41 73.00, 100.08 59.00 0.91 75
6 04/28/2023 05:39:38 -73.00, -92.63 121.03 04/28/2023 05:38:25 -72.99, -92.59 121.02 1.27 73
7 04/28/2023 06:30:18 72.98, 74.67 58.94 04/28/2023 06:29:11 73.01, 74.69 58.99 3.56 67
8 04/28/2023 07:21:00 -72.98,-118.01 121.07 04/28/2023 07:19:55 -73.00,-117.98 121.04 3.16 65
9 04/28/2023 08:11:39 73.01, 49.39 58.95 04/28/2023 08:10:41 73.02, 49.29 58.98 3.43 58
10 04/28/2023 09:02:21 -73.01,-143.29 121.07 04/28/2023 09:01:25 -73.01,-143.38 121.05 2.98 56
11 04/28/2023 09:53:01 72.99, 24.00 58.91 04/28/2023 09:52:10 72.98, 24.00 58.91 0.82 51
12 04/28/2023 10:43:43 -72.98,-168.68 121.11 04/28/2023 10:42:54 -72.97,-168.67 121.11 1.36 49
13 04/28/2023 11:34:23 72.96, -1.38 58.87 04/28/2023 11:33:40 72.99, -1.39 58.90 2.67 43
14 04/28/2023 12:25:05 -72.96, 165.94 121.15 04/28/2023 12:24:24 -72.98, 165.94 121.13 2.13 41
15 04/28/2023 13:15:45 72.94, -26.77 58.82 04/28/2023 13:15:09 72.95, -26.68 58.83 3.04 36
16 04/28/2023 14:06:27 -72.94, 140.55 121.19 04/28/2023 14:05:53 -72.94, 140.65 121.19 3.27 34
17 04/28/2023 14:57:06 72.97, -52.05 58.83 04/28/2023 14:56:39 72.96, -52.07 58.82 1.83 27
18 04/28/2023 15:47:48 -72.97, 115.27 121.19 04/28/2023 15:47:23 -72.95, 115.26 121.20 2.26 25
19 04/28/2023 16:38:28 72.95, -77.43 58.79 04/28/2023 16:38:09 72.97, -77.47 58.81 2.12 19
20 04/28/2023 17:29:10 -72.95, 89.89 121.23 04/28/2023 17:28:53 -72.96, 89.86 121.22 1.48 17
21 04/28/2023 18:19:50 72.93,-102.82 58.74 04/28/2023 18:19:38 72.93,-102.75 58.74 2.16 12
22 04/28/2023 19:10:32 -72.93, 64.50 121.27 04/28/2023 19:10:22 -72.92, 64.58 121.28 2.57 10
23 04/28/2023 20:01:11 72.96,-128.10 58.75 04/28/2023 20:01:08 72.93,-128.15 58.73 2.97 3
24 04/28/2023 20:51:54 -72.90, 39.12 121.32 04/28/2023 20:51:52 -72.93, 39.18 121.29 3.30 2
25 04/28/2023 21:42:33 72.94,-153.48 58.71 04/28/2023 21:42:38 72.94,-153.54 58.72 2.18 5
26 04/28/2023 22:33:15 -72.93, 13.84 121.31 04/28/2023 22:33:22 -72.94, 13.79 121.31 1.70 7
27 04/28/2023 23:23:55 72.91,-178.87 58.66 04/28/2023 23:24:07 72.90,-178.83 58.65 1.70 12
28 04/29/2023 00:14:37 -72.91, -11.55 121.35 04/29/2023 00:14:51 -72.90, -11.50 121.37 2.34 14
29 04/29/2023 01:05:17 72.89, 155.75 58.62 04/29/2023 01:05:37 72.91, 155.78 58.64 2.56 20
30 04/29/2023 01:55:58 -72.89, -36.93 121.39 04/29/2023 01:56:20 -72.91, -36.89 121.38 2.09 22
31 04/29/2023 02:46:37 72.92, 130.47 58.63 04/29/2023 02:47:06 72.92, 130.38 58.63 2.80 29
32 04/29/2023 03:37:19 -72.92, -62.21 121.39 04/29/2023 03:37:50 -72.92, -62.29 121.40 2.58 31

Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 4/15/2023
SNOs_Map_METOP-B_NPP_20230415.jpg

Download SNOs between METOP-B and NPP since TLE EPOCH: 04/15/2023 in txt file.

Historial Predications of SNOs between METOP-B and NPP