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: 5/10/2021
| 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 | 05/19/2021 | 21:36:09 | 76.97,-161.67 | 57.56 | 05/19/2021 | 21:35:00 | 76.99,-163.98 | 57.77 | 57.86 | 69 |
| 2 | 05/19/2021 | 22:26:53 | -76.88, 5.30 | 122.52 | 05/19/2021 | 22:25:42 | -76.87, 3.79 | 122.38 | 38.00 | 71 |
| 3 | 05/19/2021 | 23:17:37 | 76.68, 171.89 | 57.35 | 05/19/2021 | 23:16:23 | 76.68, 171.87 | 57.37 | 0.56 | 74 |
| 4 | 05/20/2021 | 00:08:19 | -76.68, -20.79 | 122.66 | 05/20/2021 | 00:07:07 | -76.66, -20.72 | 122.67 | 3.31 | 72 |
| 5 | 05/20/2021 | 00:58:59 | 76.66, 146.48 | 57.32 | 05/20/2021 | 00:57:53 | 76.68, 146.48 | 57.36 | 2.37 | 66 |
| 6 | 05/20/2021 | 01:49:41 | -76.66, -46.20 | 122.69 | 05/20/2021 | 01:48:37 | -76.66, -46.10 | 122.68 | 2.53 | 64 |
| 7 | 05/20/2021 | 02:40:20 | 76.69, 121.23 | 57.32 | 05/20/2021 | 02:39:23 | 76.69, 121.10 | 57.35 | 3.35 | 57 |
| 8 | 05/20/2021 | 03:31:02 | -76.69, -71.45 | 122.69 | 05/20/2021 | 03:30:07 | -76.66, -71.49 | 122.69 | 3.36 | 55 |
| 9 | 05/20/2021 | 04:21:42 | 76.67, 95.82 | 57.30 | 05/20/2021 | 04:20:53 | 76.69, 95.72 | 57.34 | 3.27 | 49 |
| 10 | 05/20/2021 | 05:12:24 | -76.67, -96.86 | 122.72 | 05/20/2021 | 05:11:37 | -76.66, -96.87 | 122.71 | 0.90 | 47 |
| 11 | 05/20/2021 | 06:03:04 | 76.65, 70.41 | 57.27 | 05/20/2021 | 06:02:22 | 76.65, 70.51 | 57.27 | 2.64 | 42 |
| 12 | 05/20/2021 | 06:53:46 | -76.65,-122.27 | 122.74 | 05/20/2021 | 06:53:07 | -76.66,-122.25 | 122.72 | 1.56 | 39 |
| 13 | 05/20/2021 | 07:44:25 | 76.68, 45.16 | 57.27 | 05/20/2021 | 07:43:52 | 76.65, 45.12 | 57.26 | 3.39 | 33 |
| 14 | 05/20/2021 | 08:35:07 | -76.68,-147.51 | 122.74 | 05/20/2021 | 08:34:37 | -76.67,-147.63 | 122.73 | 3.27 | 30 |
| 15 | 05/20/2021 | 09:25:47 | 76.66, 19.75 | 57.25 | 05/20/2021 | 09:25:22 | 76.65, 19.74 | 57.25 | 0.91 | 25 |
| 16 | 05/20/2021 | 10:16:29 | -76.66,-172.93 | 122.77 | 05/20/2021 | 10:16:07 | -76.67,-173.01 | 122.74 | 2.54 | 22 |
| 17 | 05/20/2021 | 11:07:09 | 76.64, -5.66 | 57.22 | 05/20/2021 | 11:06:52 | 76.65, -5.64 | 57.23 | 1.59 | 17 |
| 18 | 05/20/2021 | 11:57:51 | -76.64, 161.66 | 122.79 | 05/20/2021 | 11:57:36 | -76.63, 161.77 | 122.81 | 3.20 | 15 |
| 19 | 05/20/2021 | 12:48:30 | 76.66, -30.91 | 57.22 | 05/20/2021 | 12:48:22 | 76.65, -31.02 | 57.22 | 3.19 | 8 |
| 20 | 05/20/2021 | 13:39:13 | -76.62, 136.25 | 122.82 | 05/20/2021 | 13:39:06 | -76.63, 136.39 | 122.82 | 3.69 | 7 |
| 21 | 05/20/2021 | 14:29:52 | 76.65, -56.32 | 57.19 | 05/20/2021 | 14:29:52 | 76.66, -56.41 | 57.21 | 2.48 | 0 |
| 22 | 05/20/2021 | 15:20:34 | -76.65, 111.01 | 122.82 | 05/20/2021 | 15:20:36 | -76.63, 111.01 | 122.83 | 1.83 | 2 |
| 23 | 05/20/2021 | 16:11:14 | 76.63, -81.73 | 57.17 | 05/20/2021 | 16:11:21 | 76.61, -81.62 | 57.14 | 3.28 | 7 |
| 24 | 05/20/2021 | 17:01:56 | -76.63, 85.59 | 122.84 | 05/20/2021 | 17:02:06 | -76.63, 85.63 | 122.84 | 0.98 | 10 |
| 25 | 05/20/2021 | 17:52:36 | 76.61,-107.14 | 57.14 | 05/20/2021 | 17:52:51 | 76.62,-107.00 | 57.13 | 3.82 | 15 |
| 26 | 05/20/2021 | 18:43:18 | -76.61, 60.18 | 122.87 | 05/20/2021 | 18:43:36 | -76.63, 60.24 | 122.86 | 3.27 | 18 |
| 27 | 05/20/2021 | 19:33:57 | 76.63,-132.39 | 57.14 | 05/20/2021 | 19:34:21 | 76.62,-132.38 | 57.12 | 1.78 | 24 |
| 28 | 05/20/2021 | 20:24:39 | -76.63, 34.94 | 122.87 | 05/20/2021 | 20:25:06 | -76.64, 34.86 | 122.87 | 1.94 | 27 |
| 29 | 05/20/2021 | 21:15:19 | 76.61,-157.80 | 57.12 | 05/20/2021 | 21:15:51 | 76.62,-157.76 | 57.11 | 1.11 | 32 |
| 30 | 05/20/2021 | 22:06:01 | -76.61, 9.53 | 122.89 | 05/20/2021 | 22:06:36 | -76.64, 9.48 | 122.88 | 2.77 | 35 |
| 31 | 05/20/2021 | 22:56:40 | 76.64, 176.95 | 57.12 | 05/20/2021 | 22:57:21 | 76.62, 176.85 | 57.10 | 3.33 | 41 |
| 32 | 05/20/2021 | 23:47:23 | -76.60, -15.88 | 122.92 | 05/20/2021 | 23:48:05 | -76.59, -15.73 | 122.95 | 3.92 | 42 |
| 33 | 05/21/2021 | 00:38:02 | 76.62, 151.54 | 57.09 | 05/21/2021 | 00:38:51 | 76.62, 151.47 | 57.09 | 1.86 | 49 |
| 34 | 05/21/2021 | 01:28:44 | -76.62, -41.13 | 122.92 | 05/21/2021 | 01:29:35 | -76.60, -41.11 | 122.96 | 2.82 | 51 |
| 35 | 05/21/2021 | 02:19:24 | 76.60, 126.13 | 57.07 | 05/21/2021 | 02:20:21 | 76.63, 126.09 | 57.07 | 2.87 | 57 |
| 36 | 05/21/2021 | 03:10:06 | -76.60, -66.54 | 122.94 | 05/21/2021 | 03:11:05 | -76.60, -66.50 | 122.97 | 1.24 | 59 |
| 37 | 05/21/2021 | 04:00:46 | 76.58, 100.72 | 57.04 | 05/21/2021 | 04:01:50 | 76.58, 100.88 | 57.01 | 4.04 | 64 |
| 38 | 05/21/2021 | 04:51:28 | -76.58, -91.95 | 122.97 | 05/21/2021 | 04:52:35 | -76.60, -91.88 | 122.98 | 2.69 | 67 |
| 39 | 05/21/2021 | 05:42:06 | 76.61, 75.47 | 57.04 | 05/21/2021 | 05:43:19 | 76.59, 75.49 | 57.00 | 2.69 | 73 |
| 40 | 05/21/2021 | 06:32:50 | -76.52,-117.53 | 123.03 | 05/21/2021 | 06:34:03 | -76.56,-117.09 | 123.05 | 12.06 | 73 |
| 41 | 05/21/2021 | 07:23:35 | 76.27, 48.93 | 56.81 | 05/21/2021 | 07:24:43 | 76.32, 51.11 | 56.65 | 57.63 | 68 |
| 42 | 05/21/2021 | 08:14:19 | -76.18,-144.05 | 123.26 | 05/21/2021 | 08:15:26 | -76.25,-141.32 | 123.45 | 72.60 | 67 |
Figure of METOP-A and NPP satellite orbits during SNOs since TLE Epoch: 5/10/2021
Download SNOs between METOP-A and NPP since TLE EPOCH: 05/10/2021 in txt file.
Historial Predications of SNOs between METOP-A and NPP