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: 8/20/2021
| 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 | -77.46, 7.77 | 110.94 | 08/29/2021 | 22:14:25 | -77.46, 4.24 | 110.63 | 85.14 | 66 |
| 2 | 08/29/2021 | 23:06:16 | 77.23, 174.13 | 68.93 | 08/29/2021 | 23:05:05 | 77.23, 172.58 | 69.08 | 38.12 | 71 |
| 3 | 08/29/2021 | 23:57:01 | -77.09, -19.11 | 111.15 | 08/29/2021 | 23:55:47 | -77.13, -19.65 | 111.05 | 13.91 | 74 |
| 4 | 08/30/2021 | 00:47:42 | 77.03, 147.99 | 68.83 | 08/30/2021 | 00:46:30 | 77.02, 148.11 | 68.83 | 3.31 | 72 |
| 5 | 08/30/2021 | 01:38:24 | -77.02, -44.71 | 111.17 | 08/30/2021 | 01:37:15 | -77.04, -44.67 | 111.13 | 2.16 | 69 |
| 6 | 08/30/2021 | 02:29:03 | 77.06, 122.75 | 68.87 | 08/30/2021 | 02:28:00 | 77.02, 122.73 | 68.86 | 3.92 | 63 |
| 7 | 08/30/2021 | 03:19:45 | -77.05, -69.96 | 111.13 | 08/30/2021 | 03:18:45 | -77.04, -70.06 | 111.10 | 2.56 | 60 |
| 8 | 08/30/2021 | 04:10:25 | 77.04, 97.33 | 68.88 | 08/30/2021 | 04:09:30 | 77.02, 97.34 | 68.89 | 1.31 | 55 |
| 9 | 08/30/2021 | 05:01:07 | -77.03, -95.38 | 111.11 | 08/30/2021 | 05:00:15 | -77.05, -95.44 | 111.07 | 2.71 | 52 |
| 10 | 08/30/2021 | 05:51:47 | 77.02, 71.90 | 68.89 | 08/30/2021 | 05:51:00 | 77.03, 71.95 | 68.92 | 1.83 | 47 |
| 11 | 08/30/2021 | 06:42:29 | -77.01,-120.80 | 111.10 | 08/30/2021 | 06:41:44 | -77.01,-120.65 | 111.10 | 3.75 | 45 |
| 12 | 08/30/2021 | 07:33:08 | 77.04, 46.66 | 68.93 | 08/30/2021 | 07:32:30 | 77.03, 46.57 | 68.95 | 2.47 | 38 |
| 13 | 08/30/2021 | 08:23:50 | -77.03,-146.05 | 111.06 | 08/30/2021 | 08:23:14 | -77.01,-146.04 | 111.07 | 2.47 | 36 |
| 14 | 08/30/2021 | 09:14:30 | 77.02, 21.23 | 68.95 | 08/30/2021 | 09:14:00 | 77.03, 21.18 | 68.97 | 2.10 | 30 |
| 15 | 08/30/2021 | 10:05:12 | -77.01,-171.47 | 111.05 | 08/30/2021 | 10:04:44 | -77.01,-171.42 | 111.04 | 1.16 | 28 |
| 16 | 08/30/2021 | 10:55:52 | 77.00, -4.19 | 68.96 | 08/30/2021 | 10:55:29 | 76.99, -4.03 | 68.95 | 4.10 | 23 |
| 17 | 08/30/2021 | 11:46:33 | -77.04, 163.29 | 111.01 | 08/30/2021 | 11:46:14 | -77.02, 163.19 | 111.02 | 3.23 | 19 |
| 18 | 08/30/2021 | 12:37:13 | 77.02, -29.44 | 69.00 | 08/30/2021 | 12:36:59 | 77.00, -29.41 | 68.98 | 3.05 | 14 |
| 19 | 08/30/2021 | 13:27:55 | -77.02, 137.86 | 111.00 | 08/30/2021 | 13:27:44 | -77.02, 137.81 | 110.99 | 1.48 | 11 |
| 20 | 08/30/2021 | 14:18:35 | 77.00, -54.86 | 69.01 | 08/30/2021 | 14:18:29 | 77.00, -54.80 | 69.00 | 1.50 | 6 |
| 21 | 08/30/2021 | 15:09:17 | -76.99, 112.44 | 110.99 | 08/30/2021 | 15:09:14 | -77.02, 112.42 | 110.96 | 2.98 | 3 |
| 22 | 08/30/2021 | 15:59:57 | 76.98, -80.28 | 69.02 | 08/30/2021 | 15:59:59 | 77.00, -80.19 | 69.03 | 3.24 | 2 |
| 23 | 08/30/2021 | 16:50:38 | -77.02, 87.19 | 110.95 | 08/30/2021 | 16:50:44 | -77.02, 87.03 | 110.93 | 4.07 | 6 |
| 24 | 08/30/2021 | 17:41:18 | 77.00,-105.53 | 69.06 | 08/30/2021 | 17:41:29 | 77.00,-105.57 | 69.06 | 1.15 | 11 |
| 25 | 08/30/2021 | 18:32:00 | -77.00, 61.77 | 110.93 | 08/30/2021 | 18:32:13 | -76.98, 61.83 | 110.96 | 2.16 | 13 |
| 26 | 08/30/2021 | 19:22:40 | 76.98,-130.95 | 69.07 | 08/30/2021 | 19:22:59 | 77.01,-130.96 | 69.09 | 2.51 | 19 |
| 27 | 08/30/2021 | 20:13:22 | -76.98, 36.35 | 110.92 | 08/30/2021 | 20:13:43 | -76.99, 36.44 | 110.93 | 2.40 | 21 |
| 28 | 08/30/2021 | 21:04:01 | 77.01,-156.20 | 69.11 | 08/30/2021 | 21:04:29 | 77.01,-156.35 | 69.12 | 3.74 | 28 |
| 29 | 08/30/2021 | 21:54:43 | -77.00, 11.10 | 110.88 | 08/30/2021 | 21:55:13 | -76.99, 11.05 | 110.90 | 1.93 | 30 |
| 30 | 08/30/2021 | 22:45:23 | 76.99, 178.38 | 69.13 | 08/30/2021 | 22:45:58 | 76.97, 178.45 | 69.09 | 2.67 | 35 |
| 31 | 08/30/2021 | 23:36:05 | -76.98, -14.32 | 110.87 | 08/30/2021 | 23:36:43 | -76.99, -14.33 | 110.87 | 1.18 | 38 |
| 32 | 08/31/2021 | 00:26:45 | 76.97, 152.96 | 69.14 | 08/31/2021 | 00:27:28 | 76.97, 153.06 | 69.12 | 2.59 | 43 |
| 33 | 08/31/2021 | 01:17:27 | -76.96, -39.74 | 110.86 | 08/31/2021 | 01:18:13 | -76.99, -39.72 | 110.84 | 3.74 | 46 |
| 34 | 08/31/2021 | 02:08:06 | 76.99, 127.71 | 69.18 | 08/31/2021 | 02:08:58 | 76.97, 127.67 | 69.15 | 2.07 | 52 |
| 35 | 08/31/2021 | 02:58:48 | -76.99, -64.99 | 110.82 | 08/31/2021 | 02:59:43 | -77.00, -65.10 | 110.82 | 3.25 | 55 |
| 36 | 08/31/2021 | 03:49:28 | 76.97, 102.29 | 69.19 | 08/31/2021 | 03:50:28 | 76.98, 102.29 | 69.18 | 0.79 | 60 |
| 37 | 08/31/2021 | 04:40:10 | -76.96, -90.41 | 110.81 | 08/31/2021 | 04:41:12 | -76.96, -90.31 | 110.84 | 2.56 | 62 |
| 38 | 08/31/2021 | 05:30:50 | 76.95, 76.87 | 69.20 | 08/31/2021 | 05:31:58 | 76.98, 76.90 | 69.21 | 3.51 | 68 |
| 39 | 08/31/2021 | 06:21:31 | -76.99,-115.65 | 110.77 | 08/31/2021 | 06:22:42 | -76.96,-115.70 | 110.81 | 3.45 | 71 |
| 40 | 08/31/2021 | 07:12:14 | 76.84, 51.10 | 69.16 | 08/31/2021 | 07:13:26 | 76.90, 51.87 | 69.12 | 20.43 | 72 |
| 41 | 08/31/2021 | 08:02:57 | -76.79,-141.76 | 110.86 | 08/31/2021 | 08:04:09 | -76.83,-140.55 | 110.95 | 30.97 | 72 |
| 42 | 08/31/2021 | 08:53:42 | 76.50, 24.52 | 68.98 | 08/31/2021 | 08:54:47 | 76.54, 27.87 | 68.71 | 87.03 | 65 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 8/20/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 08/20/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP