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: 4/20/2025
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 | 04/20/2025 | 03:50:30 | 74.11, 111.49 | 62.73 | 04/20/2025 | 03:49:47 | 74.13, 111.45 | 62.77 | 2.44 | 43 |
2 | 04/20/2025 | 04:41:12 | -74.09, -81.23 | 117.30 | 04/20/2025 | 04:40:30 | -74.09, -81.13 | 117.30 | 3.07 | 42 |
3 | 04/20/2025 | 05:31:52 | 74.09, 86.10 | 62.69 | 04/20/2025 | 05:31:16 | 74.08, 86.20 | 62.68 | 3.22 | 36 |
4 | 04/20/2025 | 06:22:33 | -74.12,-106.50 | 117.30 | 04/20/2025 | 06:22:00 | -74.09,-106.51 | 117.32 | 3.73 | 33 |
5 | 04/20/2025 | 07:13:14 | 74.08, 60.72 | 62.66 | 04/20/2025 | 07:12:46 | 74.08, 60.83 | 62.66 | 3.23 | 28 |
6 | 04/20/2025 | 08:03:55 | -74.10,-131.88 | 117.34 | 04/20/2025 | 08:03:30 | -74.09,-131.88 | 117.35 | 1.88 | 25 |
7 | 04/20/2025 | 08:54:35 | 74.11, 35.46 | 62.66 | 04/20/2025 | 08:54:16 | 74.08, 35.45 | 62.63 | 3.24 | 19 |
8 | 04/20/2025 | 09:45:17 | -74.09,-157.26 | 117.38 | 04/20/2025 | 09:45:00 | -74.09,-157.25 | 117.37 | 0.42 | 17 |
9 | 04/20/2025 | 10:35:57 | 74.09, 10.07 | 62.62 | 04/20/2025 | 10:35:46 | 74.08, 10.08 | 62.61 | 1.37 | 11 |
10 | 04/20/2025 | 11:26:39 | -74.07, 177.35 | 117.41 | 04/20/2025 | 11:26:30 | -74.09, 177.38 | 117.40 | 1.95 | 9 |
11 | 04/20/2025 | 12:17:19 | 74.07, -15.31 | 62.58 | 04/20/2025 | 12:17:16 | 74.08, -15.29 | 62.58 | 0.76 | 3 |
12 | 04/20/2025 | 13:08:00 | -74.10, 152.09 | 117.41 | 04/20/2025 | 13:08:00 | -74.09, 152.00 | 117.42 | 3.16 | 0 |
13 | 04/20/2025 | 13:58:41 | 74.05, -40.69 | 62.54 | 04/20/2025 | 13:58:46 | 74.08, -40.67 | 62.56 | 2.58 | 5 |
14 | 04/20/2025 | 14:49:22 | -74.08, 126.70 | 117.45 | 04/20/2025 | 14:49:30 | -74.08, 126.63 | 117.45 | 2.23 | 8 |
15 | 04/20/2025 | 15:40:02 | 74.09, -65.96 | 62.54 | 04/20/2025 | 15:40:16 | 74.08, -66.04 | 62.53 | 2.73 | 14 |
16 | 04/20/2025 | 16:30:44 | -74.07, 101.32 | 117.49 | 04/20/2025 | 16:31:00 | -74.08, 101.26 | 117.47 | 2.65 | 16 |
17 | 04/20/2025 | 17:21:24 | 74.07, -91.34 | 62.50 | 04/20/2025 | 17:21:46 | 74.07, -91.41 | 62.51 | 2.21 | 22 |
18 | 04/20/2025 | 18:12:06 | -74.05, 75.94 | 117.53 | 04/20/2025 | 18:12:29 | -74.03, 76.01 | 117.55 | 2.78 | 23 |
19 | 04/20/2025 | 19:02:46 | 74.05,-116.73 | 62.47 | 04/20/2025 | 19:03:16 | 74.07,-116.78 | 62.48 | 3.12 | 30 |
20 | 04/20/2025 | 19:53:28 | -74.03, 50.55 | 117.57 | 04/20/2025 | 19:53:59 | -74.03, 50.64 | 117.58 | 2.50 | 31 |
21 | 04/20/2025 | 20:44:08 | 74.03,-142.11 | 62.43 | 04/20/2025 | 20:44:45 | 74.02,-142.03 | 62.40 | 2.52 | 37 |
22 | 04/20/2025 | 21:34:50 | -74.01, 25.17 | 117.61 | 04/20/2025 | 21:35:29 | -74.03, 25.26 | 117.60 | 3.45 | 39 |
23 | 04/20/2025 | 22:25:30 | 74.02,-167.49 | 62.39 | 04/20/2025 | 22:26:15 | 74.02,-167.41 | 62.38 | 2.79 | 45 |
24 | 04/20/2025 | 23:16:11 | -74.05, -0.09 | 117.60 | 04/20/2025 | 23:16:59 | -74.03, -0.11 | 117.63 | 1.75 | 48 |
25 | 04/21/2025 | 00:06:51 | 74.05, 167.24 | 62.39 | 04/21/2025 | 00:07:45 | 74.02, 167.22 | 62.35 | 2.82 | 54 |
26 | 04/21/2025 | 00:57:33 | -74.03, -25.48 | 117.64 | 04/21/2025 | 00:58:29 | -74.03, -25.48 | 117.65 | 0.24 | 56 |
27 | 04/21/2025 | 01:48:13 | 74.03, 141.86 | 62.35 | 04/21/2025 | 01:49:15 | 74.02, 141.85 | 62.33 | 0.91 | 62 |
28 | 04/21/2025 | 02:38:55 | -74.01, -50.86 | 117.68 | 04/21/2025 | 02:39:59 | -74.03, -50.85 | 117.68 | 2.05 | 64 |
29 | 04/21/2025 | 03:29:35 | 74.01, 116.47 | 62.31 | 04/21/2025 | 03:30:45 | 74.02, 116.47 | 62.30 | 1.07 | 70 |
30 | 04/21/2025 | 04:20:16 | -74.04, -76.12 | 117.68 | 04/21/2025 | 04:21:29 | -74.03, -76.23 | 117.70 | 3.53 | 73 |
31 | 04/21/2025 | 05:11:00 | 73.84, 90.74 | 62.15 | 04/21/2025 | 05:12:12 | 73.87, 91.46 | 62.12 | 22.72 | 72 |
32 | 04/21/2025 | 06:01:43 | -73.78,-102.10 | 117.93 | 04/21/2025 | 06:02:55 | -73.83,-101.12 | 117.95 | 30.87 | 72 |
33 | 04/21/2025 | 06:52:28 | 73.53, 64.66 | 61.85 | 04/21/2025 | 06:53:36 | 73.57, 66.80 | 61.76 | 67.45 | 68 |
34 | 04/21/2025 | 07:43:11 | -73.46,-128.16 | 118.22 | 04/21/2025 | 07:44:18 | -73.48,-125.68 | 118.36 | 78.58 | 67 |
Figure of METOP-B and NPP satellite orbits during SNOs since TLE Epoch: 4/20/2025
Download SNOs between METOP-B and NPP since TLE EPOCH: 04/20/2025 in txt file.
Historial Predications of SNOs between METOP-B and NPP