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: 8/22/2021
| 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, 7.81 | 110.94 | 08/29/2021 | 22:14:25 | -77.45, 4.32 | 110.66 | 84.29 | 66 |
| 2 | 08/29/2021 | 23:06:16 | 77.24, 174.18 | 68.94 | 08/29/2021 | 23:05:05 | 77.21, 172.67 | 69.06 | 37.36 | 71 |
| 3 | 08/29/2021 | 23:57:01 | -77.10, -19.07 | 111.15 | 08/29/2021 | 23:55:47 | -77.11, -19.57 | 111.07 | 12.44 | 74 |
| 4 | 08/30/2021 | 00:47:42 | 77.04, 148.04 | 68.84 | 08/30/2021 | 00:46:31 | 77.04, 148.02 | 68.86 | 0.70 | 71 |
| 5 | 08/30/2021 | 01:38:24 | -77.03, -44.67 | 111.16 | 08/30/2021 | 01:37:15 | -77.02, -44.60 | 111.15 | 2.22 | 69 |
| 6 | 08/30/2021 | 02:29:04 | 77.02, 122.62 | 68.85 | 08/30/2021 | 02:28:01 | 77.04, 122.63 | 68.89 | 2.37 | 63 |
| 7 | 08/30/2021 | 03:19:46 | -77.01, -70.09 | 111.15 | 08/30/2021 | 03:18:45 | -77.03, -69.98 | 111.13 | 3.09 | 61 |
| 8 | 08/30/2021 | 04:10:25 | 77.05, 97.37 | 68.89 | 08/30/2021 | 04:09:31 | 77.05, 97.24 | 68.92 | 3.22 | 54 |
| 9 | 08/30/2021 | 05:01:07 | -77.04, -95.34 | 111.11 | 08/30/2021 | 05:00:15 | -77.03, -95.37 | 111.10 | 1.22 | 52 |
| 10 | 08/30/2021 | 05:51:47 | 77.03, 71.95 | 68.90 | 08/30/2021 | 05:51:00 | 77.01, 72.04 | 68.89 | 3.14 | 47 |
| 11 | 08/30/2021 | 06:42:29 | -77.02,-120.76 | 111.10 | 08/30/2021 | 06:41:45 | -77.03,-120.75 | 111.07 | 1.60 | 44 |
| 12 | 08/30/2021 | 07:33:09 | 77.01, 46.53 | 68.91 | 08/30/2021 | 07:32:30 | 77.01, 46.65 | 68.92 | 3.14 | 39 |
| 13 | 08/30/2021 | 08:23:50 | -77.04,-146.01 | 111.06 | 08/30/2021 | 08:23:15 | -77.03,-146.14 | 111.04 | 3.36 | 35 |
| 14 | 08/30/2021 | 09:14:30 | 77.03, 21.28 | 68.95 | 08/30/2021 | 09:14:00 | 77.01, 21.27 | 68.95 | 2.02 | 30 |
| 15 | 08/30/2021 | 10:05:12 | -77.02,-171.43 | 111.04 | 08/30/2021 | 10:04:45 | -77.04,-171.52 | 111.01 | 2.96 | 27 |
| 16 | 08/30/2021 | 10:55:52 | 77.01, -4.14 | 68.97 | 08/30/2021 | 10:55:30 | 77.02, -4.12 | 68.98 | 0.83 | 22 |
| 17 | 08/30/2021 | 11:46:34 | -77.00, 163.15 | 111.03 | 08/30/2021 | 11:46:14 | -77.00, 163.27 | 111.04 | 3.06 | 20 |
| 18 | 08/30/2021 | 12:37:13 | 77.03, -29.39 | 69.01 | 08/30/2021 | 12:37:00 | 77.02, -29.51 | 69.00 | 3.40 | 13 |
| 19 | 08/30/2021 | 13:27:55 | -77.02, 137.90 | 110.99 | 08/30/2021 | 13:27:44 | -77.00, 137.88 | 111.01 | 2.86 | 11 |
| 20 | 08/30/2021 | 14:18:35 | 77.01, -54.81 | 69.02 | 08/30/2021 | 14:18:30 | 77.02, -54.89 | 69.03 | 2.20 | 5 |
| 21 | 08/30/2021 | 15:09:17 | -77.00, 112.48 | 110.98 | 08/30/2021 | 15:09:14 | -77.00, 112.50 | 110.98 | 0.52 | 3 |
| 22 | 08/30/2021 | 15:59:56 | 76.99, -80.24 | 69.03 | 08/30/2021 | 15:59:58 | 76.98, -80.10 | 69.01 | 3.66 | 2 |
| 23 | 08/30/2021 | 16:50:38 | -76.98, 87.06 | 110.97 | 08/30/2021 | 16:50:43 | -77.00, 87.11 | 110.95 | 2.71 | 5 |
| 24 | 08/30/2021 | 17:41:17 | 77.02,-105.48 | 69.07 | 08/30/2021 | 17:41:28 | 76.98,-105.49 | 69.03 | 3.72 | 11 |
| 25 | 08/30/2021 | 18:31:59 | -77.01, 61.81 | 110.93 | 08/30/2021 | 18:32:13 | -77.01, 61.73 | 110.93 | 2.10 | 14 |
| 26 | 08/30/2021 | 19:22:39 | 77.00,-130.90 | 69.08 | 08/30/2021 | 19:22:58 | 76.99,-130.87 | 69.06 | 1.38 | 19 |
| 27 | 08/30/2021 | 20:13:21 | -76.99, 36.39 | 110.92 | 08/30/2021 | 20:13:43 | -77.01, 36.34 | 110.90 | 2.82 | 22 |
| 28 | 08/30/2021 | 21:04:01 | 76.97,-156.33 | 69.09 | 08/30/2021 | 21:04:28 | 76.99,-156.26 | 69.09 | 2.30 | 27 |
| 29 | 08/30/2021 | 21:54:43 | -76.97, 10.97 | 110.90 | 08/30/2021 | 21:55:12 | -76.97, 11.13 | 110.93 | 4.19 | 29 |
| 30 | 08/30/2021 | 22:45:22 | 77.00, 178.43 | 69.13 | 08/30/2021 | 22:45:58 | 76.99, 178.36 | 69.12 | 1.94 | 36 |
| 31 | 08/30/2021 | 23:36:04 | -76.99, -14.28 | 110.86 | 08/30/2021 | 23:36:42 | -76.97, -14.25 | 110.90 | 2.19 | 38 |
| 32 | 08/31/2021 | 00:26:44 | 76.98, 153.00 | 69.15 | 08/31/2021 | 00:27:28 | 76.99, 152.97 | 69.15 | 1.96 | 44 |
| 33 | 08/31/2021 | 01:17:26 | -76.97, -39.70 | 110.85 | 08/31/2021 | 01:18:12 | -76.97, -39.64 | 110.87 | 1.69 | 46 |
| 34 | 08/31/2021 | 02:08:05 | 77.00, 127.76 | 69.19 | 08/31/2021 | 02:08:58 | 77.00, 127.58 | 69.18 | 4.35 | 53 |
| 35 | 08/31/2021 | 02:58:47 | -76.99, -64.95 | 110.81 | 08/31/2021 | 02:59:42 | -76.98, -65.02 | 110.84 | 2.62 | 55 |
| 36 | 08/31/2021 | 03:49:27 | 76.98, 102.33 | 69.20 | 08/31/2021 | 03:50:27 | 76.96, 102.38 | 69.15 | 3.04 | 60 |
| 37 | 08/31/2021 | 04:40:09 | -76.97, -90.37 | 110.80 | 08/31/2021 | 04:41:12 | -76.98, -90.41 | 110.81 | 1.20 | 63 |
| 38 | 08/31/2021 | 05:30:49 | 76.96, 76.91 | 69.21 | 08/31/2021 | 05:31:57 | 76.96, 76.99 | 69.18 | 2.00 | 68 |
| 39 | 08/31/2021 | 06:21:31 | -76.95,-115.79 | 110.79 | 08/31/2021 | 06:22:42 | -76.98,-115.79 | 110.78 | 3.32 | 71 |
| 40 | 08/31/2021 | 07:12:13 | 76.85, 51.14 | 69.17 | 08/31/2021 | 07:13:25 | 76.87, 51.96 | 69.10 | 20.79 | 72 |
| 41 | 08/31/2021 | 08:02:57 | -76.75,-141.89 | 110.88 | 08/31/2021 | 08:04:08 | -76.81,-140.47 | 110.98 | 36.69 | 71 |
| 42 | 08/31/2021 | 08:53:43 | 76.46, 24.39 | 68.96 | 08/31/2021 | 08:54:47 | 76.52, 27.95 | 68.68 | 92.68 | 64 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 8/22/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 08/22/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP