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: 3/19/2021
| 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 | -76.94, 170.21 | 106.08 | 03/29/2021 | 11:32:17 | -76.92, 166.97 | 105.81 | 81.47 | 67 |
| 2 | 03/29/2021 | 12:24:09 | 76.71, -23.31 | 73.76 | 03/29/2021 | 12:22:58 | 76.72, -24.91 | 73.92 | 40.88 | 71 |
| 3 | 03/29/2021 | 13:14:53 | -76.60, 143.61 | 106.33 | 03/29/2021 | 13:13:40 | -76.62, 142.79 | 106.22 | 21.34 | 73 |
| 4 | 03/29/2021 | 14:05:35 | 76.51, -49.38 | 73.60 | 03/29/2021 | 14:04:23 | 76.50, -49.45 | 73.62 | 2.15 | 72 |
| 5 | 03/29/2021 | 14:56:17 | -76.49, 117.87 | 106.43 | 03/29/2021 | 14:55:07 | -76.49, 117.90 | 106.41 | 0.59 | 70 |
| 6 | 03/29/2021 | 15:46:57 | 76.49, -74.80 | 73.56 | 03/29/2021 | 15:45:53 | 76.50, -74.85 | 73.60 | 2.12 | 64 |
| 7 | 03/29/2021 | 16:37:39 | -76.47, 92.46 | 106.47 | 03/29/2021 | 16:36:37 | -76.49, 92.50 | 106.43 | 2.95 | 62 |
| 8 | 03/29/2021 | 17:28:19 | 76.47,-100.21 | 73.52 | 03/29/2021 | 17:27:22 | 76.46,-100.08 | 73.52 | 3.49 | 57 |
| 9 | 03/29/2021 | 18:19:00 | -76.50, 67.21 | 106.48 | 03/29/2021 | 18:18:07 | -76.50, 67.11 | 106.45 | 2.79 | 53 |
| 10 | 03/29/2021 | 19:09:40 | 76.50,-125.46 | 73.51 | 03/29/2021 | 19:08:52 | 76.47,-125.47 | 73.50 | 2.76 | 48 |
| 11 | 03/29/2021 | 20:00:22 | -76.48, 41.80 | 106.52 | 03/29/2021 | 19:59:36 | -76.46, 41.88 | 106.53 | 2.59 | 46 |
| 12 | 03/29/2021 | 20:51:02 | 76.48,-150.87 | 73.47 | 03/29/2021 | 20:50:22 | 76.48,-150.87 | 73.48 | 0.16 | 40 |
| 13 | 03/29/2021 | 21:41:44 | -76.46, 16.39 | 106.57 | 03/29/2021 | 21:41:06 | -76.47, 16.48 | 106.55 | 2.73 | 38 |
| 14 | 03/29/2021 | 22:32:24 | 76.45,-176.28 | 73.43 | 03/29/2021 | 22:31:52 | 76.48,-176.26 | 73.46 | 3.04 | 32 |
| 15 | 03/29/2021 | 23:23:05 | -76.48, -8.86 | 106.58 | 03/29/2021 | 23:22:36 | -76.47, -8.91 | 106.57 | 1.69 | 29 |
| 16 | 03/30/2021 | 00:13:45 | 76.48, 158.47 | 73.42 | 03/30/2021 | 00:13:22 | 76.49, 158.34 | 73.44 | 3.32 | 23 |
| 17 | 03/30/2021 | 01:04:27 | -76.46, -34.27 | 106.62 | 03/30/2021 | 01:04:06 | -76.48, -34.31 | 106.59 | 1.99 | 21 |
| 18 | 03/30/2021 | 01:55:07 | 76.46, 133.05 | 73.37 | 03/30/2021 | 01:54:51 | 76.45, 133.11 | 73.36 | 2.09 | 16 |
| 19 | 03/30/2021 | 02:45:49 | -76.44, -59.69 | 106.66 | 03/30/2021 | 02:45:35 | -76.44, -59.54 | 106.67 | 3.88 | 14 |
| 20 | 03/30/2021 | 03:36:29 | 76.44, 107.64 | 73.33 | 03/30/2021 | 03:36:21 | 76.45, 107.72 | 73.34 | 2.46 | 8 |
| 21 | 03/30/2021 | 04:27:10 | -76.47, -84.94 | 106.67 | 03/30/2021 | 04:27:05 | -76.44, -84.93 | 106.69 | 2.62 | 5 |
| 22 | 03/30/2021 | 05:17:50 | 76.47, 82.39 | 73.32 | 03/30/2021 | 05:17:51 | 76.46, 82.32 | 73.32 | 1.96 | 1 |
| 23 | 03/30/2021 | 06:08:32 | -76.45,-110.35 | 106.71 | 03/30/2021 | 06:08:35 | -76.45,-110.33 | 106.71 | 0.56 | 3 |
| 24 | 03/30/2021 | 06:59:12 | 76.45, 56.98 | 73.28 | 03/30/2021 | 06:59:21 | 76.47, 56.93 | 73.30 | 2.49 | 9 |
| 25 | 03/30/2021 | 07:49:54 | -76.43,-135.76 | 106.75 | 03/30/2021 | 07:50:05 | -76.46,-135.72 | 106.73 | 3.20 | 11 |
| 26 | 03/30/2021 | 08:40:34 | 76.43, 31.57 | 73.24 | 03/30/2021 | 08:40:50 | 76.43, 31.70 | 73.22 | 3.41 | 16 |
| 27 | 03/30/2021 | 09:31:15 | -76.45,-161.01 | 106.76 | 03/30/2021 | 09:31:35 | -76.46,-161.12 | 106.75 | 2.93 | 20 |
| 28 | 03/30/2021 | 10:21:55 | 76.45, 6.32 | 73.23 | 03/30/2021 | 10:22:20 | 76.43, 6.30 | 73.20 | 2.34 | 25 |
| 29 | 03/30/2021 | 11:12:37 | -76.43, 173.58 | 106.80 | 03/30/2021 | 11:13:04 | -76.42, 173.65 | 106.83 | 2.34 | 27 |
| 30 | 03/30/2021 | 12:03:17 | 76.43, -19.10 | 73.19 | 03/30/2021 | 12:03:50 | 76.44, -19.09 | 73.18 | 0.56 | 33 |
| 31 | 03/30/2021 | 12:53:59 | -76.41, 148.17 | 106.84 | 03/30/2021 | 12:54:34 | -76.43, 148.26 | 106.85 | 2.79 | 35 |
| 32 | 03/30/2021 | 13:44:39 | 76.41, -44.51 | 73.15 | 03/30/2021 | 13:45:20 | 76.44, -44.49 | 73.16 | 3.47 | 41 |
| 33 | 03/30/2021 | 14:35:20 | -76.44, 122.92 | 106.85 | 03/30/2021 | 14:36:04 | -76.43, 122.86 | 106.87 | 1.61 | 44 |
| 34 | 03/30/2021 | 15:26:00 | 76.44, -69.76 | 73.14 | 03/30/2021 | 15:26:50 | 76.45, -69.88 | 73.14 | 3.49 | 50 |
| 35 | 03/30/2021 | 16:16:42 | -76.42, 97.51 | 106.89 | 03/30/2021 | 16:17:34 | -76.44, 97.47 | 106.89 | 2.31 | 52 |
| 36 | 03/30/2021 | 17:07:22 | 76.42, -95.17 | 73.10 | 03/30/2021 | 17:08:19 | 76.41, -95.11 | 73.07 | 1.76 | 57 |
| 37 | 03/30/2021 | 17:58:04 | -76.40, 72.09 | 106.93 | 03/30/2021 | 17:59:03 | -76.40, 72.24 | 106.96 | 3.74 | 59 |
| 38 | 03/30/2021 | 18:48:44 | 76.40,-120.58 | 73.06 | 03/30/2021 | 18:49:49 | 76.42,-120.51 | 73.05 | 2.70 | 65 |
| 39 | 03/30/2021 | 19:39:25 | -76.43, 46.84 | 106.94 | 03/30/2021 | 19:40:33 | -76.41, 46.84 | 106.99 | 2.32 | 68 |
| 40 | 03/30/2021 | 20:30:05 | 76.42,-145.83 | 73.05 | 03/30/2021 | 20:31:19 | 76.42,-145.90 | 73.02 | 1.90 | 74 |
| 41 | 03/30/2021 | 21:20:49 | -76.31, 21.11 | 107.04 | 03/30/2021 | 21:22:02 | -76.37, 21.61 | 107.06 | 14.28 | 73 |
| 42 | 03/30/2021 | 22:11:34 | 76.08,-172.34 | 72.79 | 03/30/2021 | 22:12:43 | 76.15,-170.32 | 72.67 | 54.59 | 69 |
| 43 | 03/30/2021 | 23:02:18 | -75.97, -5.38 | 107.30 | 03/30/2021 | 23:03:25 | -76.05, -2.66 | 107.47 | 73.56 | 67 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 3/19/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 03/19/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP