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 | 22:15:32 | -77.44, 7.68 | 110.96 | 08/29/2021 | 22:14:25 | -77.44, 4.37 | 110.67 | 80.12 | 67 |
| 2 | 08/29/2021 | 23:06:17 | 77.21, 174.06 | 68.92 | 08/29/2021 | 23:05:06 | 77.24, 172.53 | 69.10 | 37.75 | 71 |
| 3 | 08/29/2021 | 23:57:00 | -77.11, -19.02 | 111.14 | 08/29/2021 | 23:55:46 | -77.10, -19.53 | 111.08 | 12.78 | 74 |
| 4 | 08/30/2021 | 00:47:41 | 77.06, 148.10 | 68.85 | 08/30/2021 | 00:46:30 | 77.03, 148.06 | 68.85 | 3.29 | 71 |
| 5 | 08/30/2021 | 01:38:23 | -77.05, -44.62 | 111.15 | 08/30/2021 | 01:37:15 | -77.06, -44.73 | 111.11 | 3.01 | 68 |
| 6 | 08/30/2021 | 02:29:03 | 77.04, 122.68 | 68.86 | 08/30/2021 | 02:28:00 | 77.03, 122.68 | 68.88 | 0.55 | 63 |
| 7 | 08/30/2021 | 03:19:45 | -77.03, -70.04 | 111.14 | 08/30/2021 | 03:18:44 | -77.02, -69.94 | 111.14 | 2.86 | 61 |
| 8 | 08/30/2021 | 04:10:25 | 77.02, 97.25 | 68.87 | 08/30/2021 | 04:09:30 | 77.04, 97.29 | 68.90 | 2.25 | 55 |
| 9 | 08/30/2021 | 05:01:07 | -77.01, -95.46 | 111.13 | 08/30/2021 | 05:00:14 | -77.02, -95.32 | 111.11 | 3.63 | 53 |
| 10 | 08/30/2021 | 05:51:46 | 77.04, 72.01 | 68.91 | 08/30/2021 | 05:51:00 | 77.04, 71.90 | 68.93 | 2.59 | 46 |
| 11 | 08/30/2021 | 06:42:28 | -77.03,-120.71 | 111.09 | 08/30/2021 | 06:41:44 | -77.02,-120.71 | 111.08 | 1.14 | 44 |
| 12 | 08/30/2021 | 07:33:08 | 77.02, 46.58 | 68.92 | 08/30/2021 | 07:32:30 | 77.04, 46.52 | 68.96 | 2.85 | 38 |
| 13 | 08/30/2021 | 08:23:50 | -77.01,-146.13 | 111.08 | 08/30/2021 | 08:23:14 | -77.02,-146.09 | 111.05 | 1.67 | 36 |
| 14 | 08/30/2021 | 09:14:30 | 77.00, 21.16 | 68.93 | 08/30/2021 | 09:13:59 | 77.00, 21.31 | 68.93 | 3.75 | 31 |
| 15 | 08/30/2021 | 10:05:11 | -77.04,-171.38 | 111.04 | 08/30/2021 | 10:04:44 | -77.03,-171.48 | 111.03 | 2.78 | 27 |
| 16 | 08/30/2021 | 10:55:51 | 77.02, -4.09 | 68.97 | 08/30/2021 | 10:55:29 | 77.00, -4.07 | 68.96 | 2.29 | 22 |
| 17 | 08/30/2021 | 11:46:33 | -77.01, 163.20 | 111.02 | 08/30/2021 | 11:46:14 | -77.03, 163.13 | 111.00 | 2.39 | 19 |
| 18 | 08/30/2021 | 12:37:13 | 77.00, -29.51 | 68.99 | 08/30/2021 | 12:36:59 | 77.01, -29.46 | 68.99 | 1.22 | 14 |
| 19 | 08/30/2021 | 13:27:55 | -76.99, 137.78 | 111.01 | 08/30/2021 | 13:27:43 | -76.99, 137.93 | 111.02 | 3.70 | 12 |
| 20 | 08/30/2021 | 14:18:34 | 77.03, -54.75 | 69.03 | 08/30/2021 | 14:18:29 | 77.01, -54.85 | 69.02 | 3.06 | 5 |
| 21 | 08/30/2021 | 15:09:16 | -77.02, 112.53 | 110.97 | 08/30/2021 | 15:09:13 | -76.99, 112.54 | 111.00 | 2.96 | 3 |
| 22 | 08/30/2021 | 15:59:56 | 77.01, -80.18 | 69.04 | 08/30/2021 | 15:59:59 | 77.01, -80.23 | 69.05 | 1.53 | 3 |
| 23 | 08/30/2021 | 16:50:38 | -77.00, 87.11 | 110.96 | 08/30/2021 | 16:50:43 | -76.99, 87.16 | 110.97 | 1.14 | 5 |
| 24 | 08/30/2021 | 17:41:18 | 76.99,-105.60 | 69.05 | 08/30/2021 | 17:41:29 | 77.02,-105.62 | 69.08 | 3.26 | 11 |
| 25 | 08/30/2021 | 18:32:00 | -76.98, 61.69 | 110.95 | 08/30/2021 | 18:32:13 | -77.00, 61.77 | 110.94 | 2.97 | 13 |
| 26 | 08/30/2021 | 19:22:39 | 77.01,-130.85 | 69.09 | 08/30/2021 | 19:22:58 | 76.97,-130.83 | 69.05 | 4.03 | 19 |
| 27 | 08/30/2021 | 20:13:21 | -77.00, 36.44 | 110.91 | 08/30/2021 | 20:13:43 | -77.00, 36.38 | 110.91 | 1.50 | 22 |
| 28 | 08/30/2021 | 21:04:01 | 76.99,-156.27 | 69.10 | 08/30/2021 | 21:04:28 | 76.98,-156.21 | 69.08 | 1.98 | 27 |
| 29 | 08/30/2021 | 21:54:43 | -76.98, 11.02 | 110.90 | 08/30/2021 | 21:55:13 | -77.00, 11.00 | 110.88 | 2.51 | 30 |
| 30 | 08/30/2021 | 22:45:23 | 76.97, 178.31 | 69.12 | 08/30/2021 | 22:45:58 | 76.98, 178.40 | 69.11 | 2.64 | 35 |
| 31 | 08/30/2021 | 23:36:04 | -77.00, -14.23 | 110.86 | 08/30/2021 | 23:36:43 | -77.01, -14.39 | 110.85 | 4.06 | 39 |
| 32 | 08/31/2021 | 00:26:44 | 76.99, 153.06 | 69.15 | 08/31/2021 | 00:27:28 | 76.98, 153.01 | 69.13 | 1.60 | 44 |
| 33 | 08/31/2021 | 01:17:26 | -76.98, -39.65 | 110.84 | 08/31/2021 | 01:18:12 | -76.96, -39.60 | 110.88 | 2.54 | 46 |
| 34 | 08/31/2021 | 02:08:06 | 76.97, 127.64 | 69.17 | 08/31/2021 | 02:08:58 | 76.99, 127.63 | 69.16 | 1.53 | 52 |
| 35 | 08/31/2021 | 02:58:48 | -76.96, -65.07 | 110.83 | 08/31/2021 | 02:59:42 | -76.97, -64.98 | 110.85 | 2.24 | 54 |
| 36 | 08/31/2021 | 03:49:27 | 77.00, 102.39 | 69.21 | 08/31/2021 | 03:50:28 | 76.99, 102.24 | 69.19 | 3.82 | 61 |
| 37 | 08/31/2021 | 04:40:09 | -76.99, -90.32 | 110.79 | 08/31/2021 | 04:41:12 | -76.97, -90.37 | 110.82 | 2.33 | 63 |
| 38 | 08/31/2021 | 05:30:49 | 76.98, 76.97 | 69.22 | 08/31/2021 | 05:31:58 | 76.99, 76.86 | 69.22 | 3.34 | 69 |
| 39 | 08/31/2021 | 06:21:31 | -76.97,-115.74 | 110.78 | 08/31/2021 | 06:22:42 | -76.97,-115.75 | 110.80 | 0.74 | 71 |
| 40 | 08/31/2021 | 07:12:13 | 76.86, 51.20 | 69.18 | 08/31/2021 | 07:13:26 | 76.91, 51.83 | 69.14 | 16.46 | 73 |
| 41 | 08/31/2021 | 08:02:57 | -76.77,-141.84 | 110.88 | 08/31/2021 | 08:04:08 | -76.80,-140.43 | 110.99 | 36.00 | 71 |
| 42 | 08/31/2021 | 08:53:43 | 76.48, 24.45 | 68.97 | 08/31/2021 | 08:54:48 | 76.56, 27.83 | 68.72 | 88.02 | 65 |
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