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: 3/23/2021
| 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 | 11:33:24 | -76.96, 170.31 | 106.06 | 03/29/2021 | 11:32:18 | -76.94, 166.90 | 105.79 | 85.57 | 66 |
| 2 | 03/29/2021 | 12:24:09 | 76.74, -23.20 | 73.78 | 03/29/2021 | 12:22:59 | 76.73, -24.96 | 73.93 | 44.99 | 70 |
| 3 | 03/29/2021 | 13:14:54 | -76.58, 143.54 | 106.34 | 03/29/2021 | 13:13:40 | -76.59, 142.89 | 106.26 | 16.81 | 74 |
| 4 | 03/29/2021 | 14:05:36 | 76.49, -49.44 | 73.59 | 03/29/2021 | 14:04:24 | 76.51, -49.50 | 73.64 | 2.47 | 72 |
| 5 | 03/29/2021 | 14:56:17 | -76.52, 117.97 | 106.41 | 03/29/2021 | 14:55:08 | -76.51, 117.83 | 106.39 | 3.71 | 69 |
| 6 | 03/29/2021 | 15:46:58 | 76.47, -74.85 | 73.55 | 03/29/2021 | 15:45:53 | 76.47, -74.73 | 73.56 | 3.17 | 65 |
| 7 | 03/29/2021 | 16:37:38 | -76.50, 92.56 | 106.45 | 03/29/2021 | 16:36:37 | -76.51, 92.44 | 106.41 | 3.42 | 61 |
| 8 | 03/29/2021 | 17:28:18 | 76.50,-100.10 | 73.54 | 03/29/2021 | 17:27:22 | 76.48,-100.13 | 73.54 | 2.60 | 56 |
| 9 | 03/29/2021 | 18:19:00 | -76.48, 67.14 | 106.50 | 03/29/2021 | 18:18:06 | -76.47, 67.21 | 106.49 | 1.82 | 54 |
| 10 | 03/29/2021 | 19:09:40 | 76.48,-125.51 | 73.50 | 03/29/2021 | 19:08:52 | 76.48,-125.52 | 73.52 | 0.39 | 48 |
| 11 | 03/29/2021 | 20:00:22 | -76.46, 41.73 | 106.54 | 03/29/2021 | 19:59:36 | -76.48, 41.81 | 106.51 | 3.13 | 46 |
| 12 | 03/29/2021 | 20:51:02 | 76.46,-150.93 | 73.46 | 03/29/2021 | 20:50:22 | 76.49,-150.92 | 73.50 | 3.23 | 40 |
| 13 | 03/29/2021 | 21:41:43 | -76.48, 16.48 | 106.55 | 03/29/2021 | 21:41:06 | -76.48, 16.42 | 106.53 | 1.61 | 37 |
| 14 | 03/29/2021 | 22:32:23 | 76.49,-176.18 | 73.45 | 03/29/2021 | 22:31:52 | 76.49,-176.31 | 73.48 | 3.65 | 31 |
| 15 | 03/29/2021 | 23:23:05 | -76.46, -8.93 | 106.59 | 03/29/2021 | 23:22:36 | -76.49, -8.98 | 106.55 | 3.09 | 29 |
| 16 | 03/30/2021 | 00:13:45 | 76.47, 158.41 | 73.41 | 03/30/2021 | 00:13:21 | 76.46, 158.46 | 73.40 | 1.71 | 24 |
| 17 | 03/30/2021 | 01:04:27 | -76.44, -34.34 | 106.63 | 03/30/2021 | 01:04:05 | -76.45, -34.20 | 106.63 | 3.66 | 22 |
| 18 | 03/30/2021 | 01:55:07 | 76.45, 133.00 | 73.36 | 03/30/2021 | 01:54:51 | 76.46, 133.06 | 73.38 | 2.43 | 16 |
| 19 | 03/30/2021 | 02:45:48 | -76.47, -59.59 | 106.64 | 03/30/2021 | 02:45:35 | -76.46, -59.60 | 106.65 | 1.54 | 13 |
| 20 | 03/30/2021 | 03:36:28 | 76.47, 107.75 | 73.35 | 03/30/2021 | 03:36:21 | 76.47, 107.67 | 73.36 | 2.13 | 7 |
| 21 | 03/30/2021 | 04:27:10 | -76.45, -85.00 | 106.68 | 03/30/2021 | 04:27:05 | -76.46, -84.99 | 106.67 | 1.34 | 5 |
| 22 | 03/30/2021 | 05:17:50 | 76.45, 82.33 | 73.31 | 03/30/2021 | 05:17:51 | 76.47, 82.27 | 73.34 | 2.87 | 1 |
| 23 | 03/30/2021 | 06:08:31 | -76.48,-110.25 | 106.69 | 03/30/2021 | 06:08:35 | -76.47,-110.39 | 106.69 | 3.64 | 4 |
| 24 | 03/30/2021 | 06:59:12 | 76.43, 56.92 | 73.27 | 03/30/2021 | 06:59:20 | 76.43, 57.04 | 73.26 | 3.15 | 8 |
| 25 | 03/30/2021 | 07:49:53 | -76.46,-135.67 | 106.73 | 03/30/2021 | 07:50:04 | -76.43,-135.62 | 106.76 | 3.31 | 11 |
| 26 | 03/30/2021 | 08:40:33 | 76.46, 31.67 | 73.26 | 03/30/2021 | 08:40:50 | 76.44, 31.65 | 73.24 | 2.11 | 17 |
| 27 | 03/30/2021 | 09:31:15 | -76.44,-161.08 | 106.77 | 03/30/2021 | 09:31:34 | -76.43,-161.01 | 106.78 | 1.68 | 19 |
| 28 | 03/30/2021 | 10:21:55 | 76.44, 6.26 | 73.22 | 03/30/2021 | 10:22:20 | 76.44, 6.25 | 73.22 | 0.89 | 25 |
| 29 | 03/30/2021 | 11:12:36 | -76.46, 173.67 | 106.78 | 03/30/2021 | 11:13:04 | -76.44, 173.59 | 106.81 | 3.24 | 28 |
| 30 | 03/30/2021 | 12:03:17 | 76.42, -19.15 | 73.18 | 03/30/2021 | 12:03:50 | 76.45, -19.14 | 73.20 | 3.75 | 33 |
| 31 | 03/30/2021 | 12:53:58 | -76.44, 148.26 | 106.82 | 03/30/2021 | 12:54:34 | -76.44, 148.20 | 106.83 | 1.71 | 36 |
| 32 | 03/30/2021 | 13:44:38 | 76.44, -44.40 | 73.17 | 03/30/2021 | 13:45:19 | 76.41, -44.37 | 73.12 | 3.60 | 41 |
| 33 | 03/30/2021 | 14:35:20 | -76.42, 122.85 | 106.86 | 03/30/2021 | 14:36:04 | -76.45, 122.80 | 106.85 | 3.46 | 44 |
| 34 | 03/30/2021 | 15:26:00 | 76.42, -69.82 | 73.13 | 03/30/2021 | 15:26:49 | 76.42, -69.77 | 73.10 | 1.38 | 49 |
| 35 | 03/30/2021 | 16:16:42 | -76.40, 97.44 | 106.90 | 03/30/2021 | 16:17:33 | -76.41, 97.57 | 106.92 | 3.66 | 51 |
| 36 | 03/30/2021 | 17:07:22 | 76.40, -95.23 | 73.09 | 03/30/2021 | 17:08:19 | 76.42, -95.16 | 73.08 | 2.81 | 57 |
| 37 | 03/30/2021 | 17:58:03 | -76.43, 72.19 | 106.91 | 03/30/2021 | 17:59:03 | -76.42, 72.17 | 106.94 | 1.19 | 60 |
| 38 | 03/30/2021 | 18:48:43 | 76.43,-120.48 | 73.08 | 03/30/2021 | 18:49:49 | 76.43,-120.56 | 73.06 | 2.10 | 66 |
| 39 | 03/30/2021 | 19:39:25 | -76.41, 46.77 | 106.96 | 03/30/2021 | 19:40:33 | -76.42, 46.78 | 106.96 | 1.70 | 68 |
| 40 | 03/30/2021 | 20:30:05 | 76.41,-145.89 | 73.04 | 03/30/2021 | 20:31:19 | 76.43,-145.95 | 73.04 | 3.35 | 74 |
| 41 | 03/30/2021 | 21:20:48 | -76.34, 21.20 | 107.03 | 03/30/2021 | 21:22:02 | -76.38, 21.55 | 107.04 | 10.21 | 74 |
| 42 | 03/30/2021 | 22:11:34 | 76.06,-172.40 | 72.78 | 03/30/2021 | 22:12:42 | 76.12,-170.21 | 72.63 | 58.85 | 68 |
| 43 | 03/30/2021 | 23:02:17 | -76.00, -5.29 | 107.28 | 03/30/2021 | 23:03:24 | -76.03, -2.57 | 107.50 | 73.35 | 67 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 3/23/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 03/23/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP