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: 1/27/2021
| 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 | 02/05/2021 | 23:49:22 | 76.68, 166.56 | 92.96 | 02/05/2021 | 23:48:14 | 76.66, 164.01 | 93.17 | 65.21 | 68 |
| 2 | 02/06/2021 | 00:40:07 | -76.54, -26.64 | 87.15 | 02/06/2021 | 00:38:56 | -76.55, -28.24 | 86.99 | 41.41 | 71 |
| 3 | 02/06/2021 | 01:30:51 | 76.34, 140.00 | 92.71 | 02/06/2021 | 01:29:37 | 76.35, 139.79 | 92.77 | 5.62 | 74 |
| 4 | 02/06/2021 | 02:21:33 | -76.33, -52.69 | 87.31 | 02/06/2021 | 02:20:21 | -76.33, -52.80 | 87.28 | 3.02 | 72 |
| 5 | 02/06/2021 | 03:12:13 | 76.32, 114.59 | 92.68 | 02/06/2021 | 03:11:06 | 76.31, 114.57 | 92.69 | 1.19 | 67 |
| 6 | 02/06/2021 | 04:02:55 | -76.32, -78.10 | 87.34 | 02/06/2021 | 04:01:51 | -76.33, -78.19 | 87.30 | 3.10 | 64 |
| 7 | 02/06/2021 | 04:53:35 | 76.30, 89.19 | 92.64 | 02/06/2021 | 04:52:36 | 76.32, 89.18 | 92.68 | 1.70 | 59 |
| 8 | 02/06/2021 | 05:44:17 | -76.30,-103.51 | 87.38 | 02/06/2021 | 05:43:20 | -76.29,-103.42 | 87.37 | 2.30 | 57 |
| 9 | 02/06/2021 | 06:34:56 | 76.33, 63.94 | 92.64 | 02/06/2021 | 06:34:06 | 76.32, 63.79 | 92.66 | 4.05 | 50 |
| 10 | 02/06/2021 | 07:25:38 | -76.32,-128.76 | 87.38 | 02/06/2021 | 07:24:50 | -76.30,-128.81 | 87.38 | 3.35 | 48 |
| 11 | 02/06/2021 | 08:16:18 | 76.31, 38.53 | 92.61 | 02/06/2021 | 08:15:35 | 76.28, 38.56 | 92.59 | 3.29 | 43 |
| 12 | 02/06/2021 | 09:07:00 | -76.30,-154.16 | 87.41 | 02/06/2021 | 09:06:20 | -76.30,-154.20 | 87.40 | 1.09 | 40 |
| 13 | 02/06/2021 | 09:57:40 | 76.29, 13.12 | 92.57 | 02/06/2021 | 09:57:05 | 76.28, 13.17 | 92.57 | 1.33 | 35 |
| 14 | 02/06/2021 | 10:48:22 | -76.28,-179.57 | 87.45 | 02/06/2021 | 10:47:50 | -76.31,-179.59 | 87.42 | 2.34 | 32 |
| 15 | 02/06/2021 | 11:39:02 | 76.27, -12.29 | 92.54 | 02/06/2021 | 11:38:35 | 76.29, -12.22 | 92.56 | 2.68 | 27 |
| 16 | 02/06/2021 | 12:29:44 | -76.27, 155.02 | 87.48 | 02/06/2021 | 12:29:19 | -76.26, 155.18 | 87.49 | 4.13 | 25 |
| 17 | 02/06/2021 | 13:20:23 | 76.30, -37.54 | 92.53 | 02/06/2021 | 13:20:05 | 76.29, -37.61 | 92.54 | 2.10 | 18 |
| 18 | 02/06/2021 | 14:11:04 | -76.29, 129.77 | 87.49 | 02/06/2021 | 14:10:48 | -76.27, 129.79 | 87.50 | 2.65 | 16 |
| 19 | 02/06/2021 | 15:01:44 | 76.28, -62.94 | 92.50 | 02/06/2021 | 15:01:34 | 76.30, -63.01 | 92.53 | 2.79 | 10 |
| 20 | 02/06/2021 | 15:52:26 | -76.27, 104.37 | 87.52 | 02/06/2021 | 15:52:18 | -76.27, 104.40 | 87.52 | 0.85 | 8 |
| 21 | 02/06/2021 | 16:43:06 | 76.26, -88.35 | 92.46 | 02/06/2021 | 16:43:03 | 76.26, -88.23 | 92.45 | 3.11 | 3 |
| 22 | 02/06/2021 | 17:33:48 | -76.25, 78.96 | 87.56 | 02/06/2021 | 17:33:48 | -76.28, 79.01 | 87.54 | 2.96 | 0 |
| 23 | 02/06/2021 | 18:24:27 | 76.29,-113.60 | 92.46 | 02/06/2021 | 18:24:33 | 76.26,-113.62 | 92.44 | 2.69 | 6 |
| 24 | 02/06/2021 | 19:15:09 | -76.28, 53.71 | 87.56 | 02/06/2021 | 19:15:18 | -76.28, 53.62 | 87.55 | 2.43 | 9 |
| 25 | 02/06/2021 | 20:05:49 | 76.27,-139.01 | 92.43 | 02/06/2021 | 20:06:03 | 76.27,-139.01 | 92.42 | 0.18 | 14 |
| 26 | 02/06/2021 | 20:56:31 | -76.26, 28.30 | 87.59 | 02/06/2021 | 20:56:47 | -76.24, 28.39 | 87.63 | 3.19 | 16 |
| 27 | 02/06/2021 | 21:47:11 | 76.25,-164.42 | 92.39 | 02/06/2021 | 21:47:33 | 76.27,-164.41 | 92.41 | 2.72 | 22 |
| 28 | 02/06/2021 | 22:37:53 | -76.24, 2.89 | 87.63 | 02/06/2021 | 22:38:17 | -76.25, 3.00 | 87.64 | 2.75 | 24 |
| 29 | 02/06/2021 | 23:28:32 | 76.27, 170.33 | 92.39 | 02/06/2021 | 23:29:03 | 76.28, 170.20 | 92.39 | 3.46 | 31 |
| 30 | 02/07/2021 | 00:19:14 | -76.27, -22.36 | 87.63 | 02/07/2021 | 00:19:47 | -76.25, -22.39 | 87.66 | 2.30 | 33 |
| 31 | 02/07/2021 | 01:09:54 | 76.25, 144.93 | 92.35 | 02/07/2021 | 01:10:32 | 76.23, 144.97 | 92.32 | 2.53 | 38 |
| 32 | 02/07/2021 | 02:00:36 | -76.25, -47.76 | 87.67 | 02/07/2021 | 02:01:17 | -76.25, -47.78 | 87.67 | 0.79 | 41 |
| 33 | 02/07/2021 | 02:51:16 | 76.23, 119.52 | 92.32 | 02/07/2021 | 02:52:02 | 76.24, 119.58 | 92.30 | 1.77 | 46 |
| 34 | 02/07/2021 | 03:41:58 | -76.23, -73.17 | 87.70 | 02/07/2021 | 03:42:47 | -76.26, -73.17 | 87.69 | 3.21 | 49 |
| 35 | 02/07/2021 | 04:32:37 | 76.26, 94.27 | 92.31 | 02/07/2021 | 04:33:32 | 76.24, 94.19 | 92.28 | 2.86 | 55 |
| 36 | 02/07/2021 | 05:23:19 | -76.26, -98.42 | 87.71 | 02/07/2021 | 05:24:17 | -76.26, -98.56 | 87.71 | 3.89 | 58 |
| 37 | 02/07/2021 | 06:13:59 | 76.24, 68.86 | 92.28 | 02/07/2021 | 06:15:02 | 76.25, 68.80 | 92.27 | 1.70 | 63 |
| 38 | 02/07/2021 | 07:04:41 | -76.24,-123.83 | 87.74 | 02/07/2021 | 07:05:46 | -76.22,-123.79 | 87.78 | 1.89 | 65 |
| 39 | 02/07/2021 | 07:55:21 | 76.22, 43.46 | 92.24 | 02/07/2021 | 07:56:32 | 76.25, 43.41 | 92.25 | 3.50 | 71 |
| 40 | 02/07/2021 | 08:46:03 | -76.22,-149.23 | 87.77 | 02/07/2021 | 08:47:16 | -76.23,-149.18 | 87.80 | 1.62 | 73 |
| 41 | 02/07/2021 | 09:36:47 | 76.02, 17.43 | 92.09 | 02/07/2021 | 09:37:58 | 76.07, 18.66 | 92.01 | 33.61 | 71 |
| 42 | 02/07/2021 | 10:27:31 | -75.92,-175.56 | 87.99 | 02/07/2021 | 10:28:40 | -75.96,-173.63 | 88.15 | 52.26 | 69 |
| 43 | 02/07/2021 | 11:18:16 | 75.67, -9.02 | 91.84 | 02/07/2021 | 11:19:20 | 75.71, -5.50 | 91.55 | 96.84 | 64 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 1/27/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 01/27/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP