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: 8/23/2021
| 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 | 08/29/2021 | 22:15:31 | -77.47, 7.79 | 110.94 | 08/29/2021 | 22:14:25 | -77.46, 4.27 | 110.64 | 84.98 | 66 |
| 2 | 08/29/2021 | 23:06:16 | 77.24, 174.17 | 68.94 | 08/29/2021 | 23:05:05 | 77.22, 172.63 | 69.07 | 38.03 | 71 |
| 3 | 08/29/2021 | 23:57:01 | -77.10, -19.09 | 111.15 | 08/29/2021 | 23:55:47 | -77.12, -19.62 | 111.06 | 13.39 | 74 |
| 4 | 08/30/2021 | 00:47:42 | 77.04, 148.03 | 68.84 | 08/30/2021 | 00:46:31 | 77.05, 147.98 | 68.87 | 1.73 | 71 |
| 5 | 08/30/2021 | 01:38:24 | -77.03, -44.68 | 111.16 | 08/30/2021 | 01:37:15 | -77.03, -44.64 | 111.14 | 1.18 | 69 |
| 6 | 08/30/2021 | 02:29:04 | 77.02, 122.61 | 68.85 | 08/30/2021 | 02:28:01 | 77.05, 122.59 | 68.90 | 3.62 | 63 |
| 7 | 08/30/2021 | 03:19:45 | -77.06, -69.93 | 111.12 | 08/30/2021 | 03:18:45 | -77.04, -70.03 | 111.11 | 3.08 | 60 |
| 8 | 08/30/2021 | 04:10:25 | 77.05, 97.36 | 68.89 | 08/30/2021 | 04:09:30 | 77.01, 97.38 | 68.88 | 3.65 | 55 |
| 9 | 08/30/2021 | 05:01:07 | -77.03, -95.35 | 111.11 | 08/30/2021 | 05:00:15 | -77.04, -95.41 | 111.08 | 1.60 | 52 |
| 10 | 08/30/2021 | 05:51:47 | 77.03, 71.94 | 68.90 | 08/30/2021 | 05:51:00 | 77.02, 72.00 | 68.90 | 1.72 | 47 |
| 11 | 08/30/2021 | 06:42:29 | -77.01,-120.77 | 111.10 | 08/30/2021 | 06:41:45 | -77.04,-120.80 | 111.05 | 3.24 | 44 |
| 12 | 08/30/2021 | 07:33:09 | 77.00, 46.52 | 68.91 | 08/30/2021 | 07:32:30 | 77.02, 46.61 | 68.93 | 2.80 | 39 |
| 13 | 08/30/2021 | 08:23:50 | -77.04,-146.02 | 111.06 | 08/30/2021 | 08:23:14 | -77.00,-146.00 | 111.08 | 4.03 | 36 |
| 14 | 08/30/2021 | 09:14:30 | 77.03, 21.27 | 68.95 | 08/30/2021 | 09:14:00 | 77.02, 21.23 | 68.96 | 1.42 | 30 |
| 15 | 08/30/2021 | 10:05:12 | -77.02,-171.44 | 111.05 | 08/30/2021 | 10:04:44 | -77.01,-171.39 | 111.05 | 1.94 | 28 |
| 16 | 08/30/2021 | 10:55:52 | 77.01, -4.15 | 68.96 | 08/30/2021 | 10:55:30 | 77.02, -4.16 | 68.99 | 1.88 | 22 |
| 17 | 08/30/2021 | 11:46:34 | -77.00, 163.14 | 111.03 | 08/30/2021 | 11:46:14 | -77.01, 163.22 | 111.02 | 2.48 | 20 |
| 18 | 08/30/2021 | 12:37:13 | 77.03, -29.40 | 69.00 | 08/30/2021 | 12:37:00 | 77.03, -29.55 | 69.02 | 3.82 | 13 |
| 19 | 08/30/2021 | 13:27:55 | -77.02, 137.89 | 110.99 | 08/30/2021 | 13:27:44 | -77.01, 137.84 | 111.00 | 1.77 | 11 |
| 20 | 08/30/2021 | 14:18:35 | 77.01, -54.82 | 69.02 | 08/30/2021 | 14:18:29 | 76.99, -54.75 | 68.99 | 3.17 | 6 |
| 21 | 08/30/2021 | 15:09:17 | -77.00, 112.47 | 110.98 | 08/30/2021 | 15:09:14 | -77.01, 112.45 | 110.97 | 1.42 | 3 |
| 22 | 08/30/2021 | 15:59:57 | 76.99, -80.24 | 69.03 | 08/30/2021 | 15:59:59 | 76.99, -80.14 | 69.02 | 2.51 | 2 |
| 23 | 08/30/2021 | 16:50:39 | -76.98, 87.05 | 110.97 | 08/30/2021 | 16:50:44 | -77.02, 87.06 | 110.94 | 3.98 | 5 |
| 24 | 08/30/2021 | 17:41:18 | 77.02,-105.49 | 69.07 | 08/30/2021 | 17:41:29 | 76.99,-105.53 | 69.05 | 2.67 | 11 |
| 25 | 08/30/2021 | 18:32:00 | -77.00, 61.80 | 110.93 | 08/30/2021 | 18:32:14 | -77.02, 61.68 | 110.91 | 3.38 | 14 |
| 26 | 08/30/2021 | 19:22:40 | 76.99,-130.91 | 69.08 | 08/30/2021 | 19:22:59 | 77.00,-130.91 | 69.08 | 0.17 | 19 |
| 27 | 08/30/2021 | 20:13:22 | -76.98, 36.38 | 110.92 | 08/30/2021 | 20:13:43 | -76.98, 36.47 | 110.94 | 2.47 | 21 |
| 28 | 08/30/2021 | 21:04:02 | 76.97,-156.33 | 69.09 | 08/30/2021 | 21:04:29 | 77.00,-156.30 | 69.10 | 2.87 | 27 |
| 29 | 08/30/2021 | 21:54:43 | -77.01, 11.13 | 110.88 | 08/30/2021 | 21:55:13 | -76.98, 11.09 | 110.91 | 3.23 | 30 |
| 30 | 08/30/2021 | 22:45:22 | 77.00, 178.42 | 69.13 | 08/30/2021 | 22:45:58 | 77.00, 178.31 | 69.13 | 2.72 | 36 |
| 31 | 08/30/2021 | 23:36:04 | -76.99, -14.29 | 110.87 | 08/30/2021 | 23:36:42 | -76.98, -14.30 | 110.88 | 0.50 | 38 |
| 32 | 08/31/2021 | 00:26:44 | 76.98, 153.00 | 69.15 | 08/31/2021 | 00:27:27 | 76.96, 153.11 | 69.11 | 3.27 | 43 |
| 33 | 08/31/2021 | 01:17:26 | -76.97, -39.71 | 110.85 | 08/31/2021 | 01:18:12 | -76.99, -39.69 | 110.85 | 2.24 | 46 |
| 34 | 08/31/2021 | 02:08:06 | 76.96, 127.58 | 69.16 | 08/31/2021 | 02:08:57 | 76.96, 127.72 | 69.13 | 3.67 | 51 |
| 35 | 08/31/2021 | 02:58:47 | -76.99, -64.96 | 110.81 | 08/31/2021 | 02:59:42 | -76.99, -65.07 | 110.82 | 2.82 | 55 |
| 36 | 08/31/2021 | 03:49:27 | 76.98, 102.33 | 69.20 | 08/31/2021 | 03:50:27 | 76.97, 102.33 | 69.16 | 1.58 | 60 |
| 37 | 08/31/2021 | 04:40:09 | -76.97, -90.38 | 110.80 | 08/31/2021 | 04:41:12 | -76.99, -90.46 | 110.80 | 3.05 | 63 |
| 38 | 08/31/2021 | 05:30:49 | 76.96, 76.91 | 69.21 | 08/31/2021 | 05:31:57 | 76.97, 76.95 | 69.19 | 1.44 | 68 |
| 39 | 08/31/2021 | 06:21:31 | -76.95,-115.80 | 110.79 | 08/31/2021 | 06:22:41 | -76.95,-115.67 | 110.82 | 3.43 | 70 |
| 40 | 08/31/2021 | 07:12:13 | 76.85, 51.14 | 69.17 | 08/31/2021 | 07:13:25 | 76.88, 51.92 | 69.11 | 19.99 | 72 |
| 41 | 08/31/2021 | 08:02:57 | -76.75,-141.90 | 110.89 | 08/31/2021 | 08:04:08 | -76.82,-140.52 | 110.96 | 36.03 | 71 |
| 42 | 08/31/2021 | 08:53:42 | 76.51, 24.55 | 68.99 | 08/31/2021 | 08:54:47 | 76.53, 27.91 | 68.70 | 87.10 | 65 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 8/23/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 08/23/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP