Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between METOP-A and NPP Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/21/2021
| Index | Date (METOP-A) | Time (METOP-A) | Lat,Lon (METOP-A) | SZA (METOP-A ) | Date (NPP) | Time (NPP) | Lat,Lon (NPP) | SZA (NPP ) | Distance(km) | Time Diff (sec) |
| 1 | 03/29/2021 | 11:33:25 | -76.93, 170.17 | 106.08 | 03/29/2021 | 11:32:18 | -76.93, 166.94 | 105.81 | 81.13 | 67 |
| 2 | 03/29/2021 | 12:24:10 | 76.70, -23.34 | 73.76 | 03/29/2021 | 12:22:59 | 76.72, -24.93 | 73.93 | 40.60 | 71 |
| 3 | 03/29/2021 | 13:14:54 | -76.59, 143.57 | 106.34 | 03/29/2021 | 13:13:40 | -76.58, 142.93 | 106.27 | 16.64 | 74 |
| 4 | 03/29/2021 | 14:05:35 | 76.50, -49.42 | 73.59 | 03/29/2021 | 14:04:23 | 76.50, -49.47 | 73.63 | 1.49 | 72 |
| 5 | 03/29/2021 | 14:56:17 | -76.48, 117.83 | 106.44 | 03/29/2021 | 14:55:07 | -76.50, 117.87 | 106.40 | 2.09 | 70 |
| 6 | 03/29/2021 | 15:46:57 | 76.48, -74.83 | 73.55 | 03/29/2021 | 15:45:53 | 76.51, -74.87 | 73.61 | 3.35 | 64 |
| 7 | 03/29/2021 | 16:37:38 | -76.51, 92.58 | 106.45 | 03/29/2021 | 16:36:37 | -76.50, 92.48 | 106.42 | 2.87 | 61 |
| 8 | 03/29/2021 | 17:28:19 | 76.46,-100.24 | 73.51 | 03/29/2021 | 17:27:22 | 76.47,-100.10 | 73.53 | 3.94 | 57 |
| 9 | 03/29/2021 | 18:19:00 | -76.49, 67.17 | 106.49 | 03/29/2021 | 18:18:06 | -76.46, 67.25 | 106.50 | 3.19 | 54 |
| 10 | 03/29/2021 | 19:09:40 | 76.49,-125.49 | 73.50 | 03/29/2021 | 19:08:52 | 76.48,-125.49 | 73.51 | 1.21 | 48 |
| 11 | 03/29/2021 | 20:00:22 | -76.47, 41.76 | 106.53 | 03/29/2021 | 19:59:36 | -76.47, 41.85 | 106.52 | 2.37 | 46 |
| 12 | 03/29/2021 | 20:51:02 | 76.47,-150.90 | 73.46 | 03/29/2021 | 20:50:22 | 76.48,-150.89 | 73.49 | 1.70 | 40 |
| 13 | 03/29/2021 | 21:41:43 | -76.49, 16.51 | 106.54 | 03/29/2021 | 21:41:06 | -76.47, 16.46 | 106.54 | 2.44 | 37 |
| 14 | 03/29/2021 | 22:32:23 | 76.49,-176.15 | 73.45 | 03/29/2021 | 22:31:52 | 76.49,-176.28 | 73.47 | 3.37 | 31 |
| 15 | 03/29/2021 | 23:23:05 | -76.47, -8.90 | 106.58 | 03/29/2021 | 23:22:36 | -76.48, -8.94 | 106.56 | 1.27 | 29 |
| 16 | 03/30/2021 | 00:13:45 | 76.47, 158.43 | 73.41 | 03/30/2021 | 00:13:21 | 76.45, 158.49 | 73.39 | 3.14 | 24 |
| 17 | 03/30/2021 | 01:04:27 | -76.45, -34.31 | 106.62 | 03/30/2021 | 01:04:06 | -76.48, -34.33 | 106.58 | 3.69 | 21 |
| 18 | 03/30/2021 | 01:55:07 | 76.45, 133.02 | 73.37 | 03/30/2021 | 01:54:51 | 76.45, 133.09 | 73.37 | 1.92 | 16 |
| 19 | 03/30/2021 | 02:45:48 | -76.48, -59.56 | 106.63 | 03/30/2021 | 02:45:35 | -76.45, -59.56 | 106.66 | 3.60 | 13 |
| 20 | 03/30/2021 | 03:36:28 | 76.48, 107.77 | 73.36 | 03/30/2021 | 03:36:21 | 76.46, 107.70 | 73.35 | 2.87 | 7 |
| 21 | 03/30/2021 | 04:27:10 | -76.46, -84.97 | 106.67 | 03/30/2021 | 04:27:05 | -76.45, -84.96 | 106.68 | 0.90 | 5 |
| 22 | 03/30/2021 | 05:17:50 | 76.46, 82.36 | 73.32 | 03/30/2021 | 05:17:51 | 76.46, 82.30 | 73.33 | 1.57 | 1 |
| 23 | 03/30/2021 | 06:08:32 | -76.44,-110.39 | 106.71 | 03/30/2021 | 06:08:35 | -76.46,-110.35 | 106.70 | 2.24 | 3 |
| 24 | 03/30/2021 | 06:59:12 | 76.44, 56.95 | 73.28 | 03/30/2021 | 06:59:21 | 76.47, 56.91 | 73.31 | 3.66 | 9 |
| 25 | 03/30/2021 | 07:49:53 | -76.46,-135.64 | 106.73 | 03/30/2021 | 07:50:05 | -76.46,-135.75 | 106.72 | 2.87 | 12 |
| 26 | 03/30/2021 | 08:40:33 | 76.46, 31.70 | 73.27 | 03/30/2021 | 08:40:50 | 76.43, 31.68 | 73.23 | 3.76 | 17 |
| 27 | 03/30/2021 | 09:31:15 | -76.44,-161.05 | 106.77 | 03/30/2021 | 09:31:34 | -76.42,-160.98 | 106.80 | 3.03 | 19 |
| 28 | 03/30/2021 | 10:21:55 | 76.44, 6.28 | 73.23 | 03/30/2021 | 10:22:20 | 76.44, 6.29 | 73.21 | 0.88 | 25 |
| 29 | 03/30/2021 | 11:12:37 | -76.42, 173.54 | 106.81 | 03/30/2021 | 11:13:04 | -76.43, 173.63 | 106.82 | 2.36 | 27 |
| 30 | 03/30/2021 | 12:03:17 | 76.42, -19.13 | 73.18 | 03/30/2021 | 12:03:50 | 76.44, -19.11 | 73.19 | 2.03 | 33 |
| 31 | 03/30/2021 | 12:53:58 | -76.45, 148.29 | 106.82 | 03/30/2021 | 12:54:34 | -76.43, 148.24 | 106.84 | 2.32 | 36 |
| 32 | 03/30/2021 | 13:44:38 | 76.45, -44.38 | 73.17 | 03/30/2021 | 13:45:20 | 76.45, -44.50 | 73.17 | 3.32 | 42 |
| 33 | 03/30/2021 | 14:35:20 | -76.43, 122.88 | 106.86 | 03/30/2021 | 14:36:04 | -76.44, 122.84 | 106.86 | 1.44 | 44 |
| 34 | 03/30/2021 | 15:26:00 | 76.43, -69.79 | 73.13 | 03/30/2021 | 15:26:49 | 76.41, -69.73 | 73.09 | 2.84 | 49 |
| 35 | 03/30/2021 | 16:16:42 | -76.41, 97.47 | 106.90 | 03/30/2021 | 16:17:34 | -76.44, 97.45 | 106.88 | 3.89 | 52 |
| 36 | 03/30/2021 | 17:07:22 | 76.41, -95.20 | 73.09 | 03/30/2021 | 17:08:19 | 76.41, -95.13 | 73.07 | 1.94 | 57 |
| 37 | 03/30/2021 | 17:58:03 | -76.44, 72.22 | 106.91 | 03/30/2021 | 17:59:03 | -76.41, 72.22 | 106.96 | 3.41 | 60 |
| 38 | 03/30/2021 | 18:48:43 | 76.44,-120.45 | 73.08 | 03/30/2021 | 18:49:49 | 76.42,-120.52 | 73.05 | 2.62 | 66 |
| 39 | 03/30/2021 | 19:39:25 | -76.42, 46.81 | 106.95 | 03/30/2021 | 19:40:33 | -76.41, 46.82 | 106.98 | 0.70 | 68 |
| 40 | 03/30/2021 | 20:30:05 | 76.42,-145.86 | 73.04 | 03/30/2021 | 20:31:19 | 76.42,-145.92 | 73.03 | 1.76 | 74 |
| 41 | 03/30/2021 | 21:20:49 | -76.30, 21.08 | 107.05 | 03/30/2021 | 21:22:02 | -76.37, 21.59 | 107.05 | 15.43 | 73 |
| 42 | 03/30/2021 | 22:11:34 | 76.07,-172.37 | 72.79 | 03/30/2021 | 22:12:42 | 76.11,-170.18 | 72.62 | 58.90 | 68 |
| 43 | 03/30/2021 | 23:02:17 | -76.01, -5.26 | 107.27 | 03/30/2021 | 23:03:24 | -76.01, -2.53 | 107.52 | 73.52 | 67 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 3/21/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 03/21/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP