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: 8/21/2021
| 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 | -77.45, 7.73 | 110.95 | 08/29/2021 | 22:14:25 | -77.47, 4.23 | 110.63 | 84.52 | 66 |
| 2 | 08/29/2021 | 23:06:16 | 77.22, 174.10 | 68.92 | 08/29/2021 | 23:05:05 | 77.23, 172.58 | 69.08 | 37.50 | 71 |
| 3 | 08/29/2021 | 23:57:00 | -77.13, -18.97 | 111.13 | 08/29/2021 | 23:55:47 | -77.13, -19.66 | 111.05 | 17.05 | 73 |
| 4 | 08/30/2021 | 00:47:42 | 77.02, 147.96 | 68.83 | 08/30/2021 | 00:46:30 | 77.02, 148.11 | 68.83 | 3.62 | 72 |
| 5 | 08/30/2021 | 01:38:23 | -77.06, -44.57 | 111.14 | 08/30/2021 | 01:37:15 | -77.04, -44.68 | 111.13 | 3.32 | 68 |
| 6 | 08/30/2021 | 02:29:03 | 77.05, 122.72 | 68.87 | 08/30/2021 | 02:28:00 | 77.02, 122.72 | 68.86 | 2.90 | 63 |
| 7 | 08/30/2021 | 03:19:45 | -77.04, -69.99 | 111.13 | 08/30/2021 | 03:18:45 | -77.05, -70.07 | 111.10 | 2.02 | 60 |
| 8 | 08/30/2021 | 04:10:25 | 77.03, 97.30 | 68.88 | 08/30/2021 | 04:09:30 | 77.03, 97.34 | 68.89 | 1.05 | 55 |
| 9 | 08/30/2021 | 05:01:07 | -77.02, -95.41 | 111.12 | 08/30/2021 | 05:00:15 | -77.05, -95.45 | 111.07 | 3.48 | 52 |
| 10 | 08/30/2021 | 05:51:47 | 77.01, 71.87 | 68.89 | 08/30/2021 | 05:51:00 | 77.03, 71.95 | 68.92 | 3.02 | 47 |
| 11 | 08/30/2021 | 06:42:28 | -77.04,-120.66 | 111.08 | 08/30/2021 | 06:41:44 | -77.01,-120.66 | 111.10 | 3.85 | 44 |
| 12 | 08/30/2021 | 07:33:08 | 77.03, 46.63 | 68.93 | 08/30/2021 | 07:32:30 | 77.03, 46.56 | 68.95 | 1.57 | 38 |
| 13 | 08/30/2021 | 08:23:50 | -77.02,-146.08 | 111.07 | 08/30/2021 | 08:23:14 | -77.01,-146.04 | 111.07 | 1.59 | 36 |
| 14 | 08/30/2021 | 09:14:30 | 77.01, 21.20 | 68.94 | 08/30/2021 | 09:14:00 | 77.03, 21.18 | 68.98 | 2.67 | 30 |
| 15 | 08/30/2021 | 10:05:12 | -77.00,-171.50 | 111.06 | 08/30/2021 | 10:04:44 | -77.01,-171.43 | 111.04 | 2.26 | 28 |
| 16 | 08/30/2021 | 10:55:51 | 77.03, -4.04 | 68.98 | 08/30/2021 | 10:55:30 | 77.04, -4.21 | 69.00 | 4.15 | 21 |
| 17 | 08/30/2021 | 11:46:33 | -77.03, 163.25 | 111.02 | 08/30/2021 | 11:46:14 | -77.02, 163.19 | 111.01 | 1.94 | 19 |
| 18 | 08/30/2021 | 12:37:13 | 77.01, -29.47 | 68.99 | 08/30/2021 | 12:36:59 | 77.00, -29.42 | 68.98 | 2.37 | 14 |
| 19 | 08/30/2021 | 13:27:55 | -77.01, 137.83 | 111.00 | 08/30/2021 | 13:27:44 | -77.02, 137.80 | 110.99 | 1.69 | 11 |
| 20 | 08/30/2021 | 14:18:35 | 76.99, -54.89 | 69.01 | 08/30/2021 | 14:18:29 | 77.00, -54.80 | 69.01 | 2.26 | 6 |
| 21 | 08/30/2021 | 15:09:17 | -76.99, 112.41 | 110.99 | 08/30/2021 | 15:09:14 | -77.02, 112.41 | 110.96 | 4.12 | 3 |
| 22 | 08/30/2021 | 15:59:56 | 77.02, -80.14 | 69.04 | 08/30/2021 | 15:59:59 | 77.00, -80.19 | 69.03 | 2.18 | 3 |
| 23 | 08/30/2021 | 16:50:38 | -77.01, 87.16 | 110.95 | 08/30/2021 | 16:50:43 | -76.98, 87.21 | 110.98 | 3.30 | 5 |
| 24 | 08/30/2021 | 17:41:18 | 77.00,-105.56 | 69.06 | 08/30/2021 | 17:41:29 | 77.00,-105.57 | 69.06 | 0.97 | 11 |
| 25 | 08/30/2021 | 18:32:00 | -76.99, 61.74 | 110.94 | 08/30/2021 | 18:32:13 | -76.98, 61.82 | 110.96 | 2.13 | 13 |
| 26 | 08/30/2021 | 19:22:40 | 76.98,-130.98 | 69.07 | 08/30/2021 | 19:22:59 | 77.01,-130.96 | 69.09 | 3.53 | 19 |
| 27 | 08/30/2021 | 20:13:21 | -77.01, 36.49 | 110.90 | 08/30/2021 | 20:13:43 | -76.99, 36.43 | 110.93 | 3.19 | 22 |
| 28 | 08/30/2021 | 21:04:01 | 77.00,-156.23 | 69.11 | 08/30/2021 | 21:04:29 | 77.01,-156.35 | 69.12 | 3.19 | 28 |
| 29 | 08/30/2021 | 21:54:43 | -76.99, 11.07 | 110.89 | 08/30/2021 | 21:55:13 | -76.99, 11.05 | 110.90 | 0.58 | 30 |
| 30 | 08/30/2021 | 22:45:23 | 76.98, 178.35 | 69.12 | 08/30/2021 | 22:45:58 | 76.97, 178.45 | 69.09 | 2.65 | 35 |
| 31 | 08/30/2021 | 23:36:05 | -76.97, -14.35 | 110.88 | 08/30/2021 | 23:36:43 | -76.99, -14.34 | 110.87 | 2.34 | 38 |
| 32 | 08/31/2021 | 00:26:44 | 77.00, 153.10 | 69.16 | 08/31/2021 | 00:27:28 | 76.97, 153.06 | 69.12 | 3.62 | 44 |
| 33 | 08/31/2021 | 01:17:26 | -77.00, -39.60 | 110.84 | 08/31/2021 | 01:18:13 | -77.00, -39.72 | 110.84 | 3.08 | 47 |
| 34 | 08/31/2021 | 02:08:06 | 76.98, 127.68 | 69.17 | 08/31/2021 | 02:08:58 | 76.98, 127.67 | 69.15 | 0.85 | 52 |
| 35 | 08/31/2021 | 02:58:48 | -76.98, -65.02 | 110.82 | 08/31/2021 | 02:59:42 | -76.96, -64.93 | 110.87 | 3.25 | 54 |
| 36 | 08/31/2021 | 03:49:28 | 76.96, 102.26 | 69.19 | 08/31/2021 | 03:50:28 | 76.98, 102.29 | 69.18 | 1.93 | 60 |
| 37 | 08/31/2021 | 04:40:10 | -76.96, -90.44 | 110.81 | 08/31/2021 | 04:41:12 | -76.96, -90.32 | 110.84 | 3.19 | 62 |
| 38 | 08/31/2021 | 05:30:49 | 76.99, 77.01 | 69.23 | 08/31/2021 | 05:31:58 | 76.98, 76.90 | 69.21 | 2.80 | 69 |
| 39 | 08/31/2021 | 06:21:31 | -76.98,-115.69 | 110.77 | 08/31/2021 | 06:22:42 | -76.96,-115.70 | 110.81 | 2.10 | 71 |
| 40 | 08/31/2021 | 07:12:14 | 76.83, 51.07 | 69.15 | 08/31/2021 | 07:13:26 | 76.90, 51.87 | 69.12 | 21.52 | 72 |
| 41 | 08/31/2021 | 08:02:57 | -76.78,-141.80 | 110.87 | 08/31/2021 | 08:04:08 | -76.79,-140.38 | 111.00 | 35.92 | 71 |
| 42 | 08/31/2021 | 08:53:43 | 76.49, 24.49 | 68.97 | 08/31/2021 | 08:54:48 | 76.54, 27.87 | 68.71 | 87.92 | 65 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 8/21/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 08/21/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP