Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-20 and METOP-A Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/11/2021
| Index | Date (NOAA-20) | Time (NOAA-20) | Lat,Lon (NOAA-20) | SZA (NOAA-20 ) | Date (METOP-A) | Time (METOP-A) | Lat,Lon (METOP-A) | SZA (METOP-A ) | Distance(km) | Time Diff (sec) |
| 1 | 04/23/2021 | 18:50:44 | 76.99,-122.76 | 64.94 | 04/23/2021 | 18:51:51 | 76.96,-119.96 | 64.67 | 70.18 | 67 |
| 2 | 04/23/2021 | 19:41:26 | -76.89, 44.98 | 115.21 | 04/23/2021 | 19:42:36 | -76.82, 46.81 | 115.44 | 47.05 | 70 |
| 3 | 04/23/2021 | 20:32:06 | 76.64,-146.75 | 64.47 | 04/23/2021 | 20:33:20 | 76.62,-146.57 | 64.42 | 4.98 | 74 |
| 4 | 04/23/2021 | 21:22:50 | -76.62, 20.63 | 115.56 | 04/23/2021 | 21:24:02 | -76.62, 20.73 | 115.60 | 2.73 | 72 |
| 5 | 04/23/2021 | 22:13:35 | 76.60,-171.96 | 64.40 | 04/23/2021 | 22:14:42 | 76.60,-171.99 | 64.38 | 0.66 | 67 |
| 6 | 04/23/2021 | 23:04:19 | -76.58, -4.59 | 115.64 | 04/23/2021 | 23:05:24 | -76.60, -4.69 | 115.64 | 2.89 | 65 |
| 7 | 04/23/2021 | 23:55:05 | 76.60, 162.65 | 64.38 | 04/23/2021 | 23:56:04 | 76.58, 162.60 | 64.34 | 2.69 | 59 |
| 8 | 04/24/2021 | 00:45:49 | -76.59, -29.97 | 115.66 | 04/24/2021 | 00:46:46 | -76.57, -30.10 | 115.68 | 3.50 | 57 |
| 9 | 04/24/2021 | 01:36:35 | 76.61, 137.26 | 64.36 | 04/24/2021 | 01:37:25 | 76.61, 137.35 | 64.34 | 2.17 | 50 |
| 10 | 04/24/2021 | 02:27:19 | -76.59, -55.36 | 115.68 | 04/24/2021 | 02:28:07 | -76.60, -55.35 | 115.68 | 1.27 | 48 |
| 11 | 04/24/2021 | 03:18:05 | 76.61, 111.88 | 64.34 | 04/24/2021 | 03:18:47 | 76.59, 111.93 | 64.30 | 2.86 | 42 |
| 12 | 04/24/2021 | 04:08:49 | -76.59, -80.75 | 115.70 | 04/24/2021 | 04:09:29 | -76.58, -80.77 | 115.72 | 1.43 | 40 |
| 13 | 04/24/2021 | 04:59:34 | 76.57, 86.66 | 64.27 | 04/24/2021 | 05:00:09 | 76.57, 86.52 | 64.26 | 3.70 | 35 |
| 14 | 04/24/2021 | 05:50:19 | -76.59,-106.13 | 115.72 | 04/24/2021 | 05:50:50 | -76.60,-106.02 | 115.73 | 3.19 | 31 |
| 15 | 04/24/2021 | 06:41:04 | 76.57, 61.27 | 64.25 | 04/24/2021 | 06:41:30 | 76.59, 61.27 | 64.26 | 2.35 | 26 |
| 16 | 04/24/2021 | 07:31:49 | -76.60,-131.52 | 115.74 | 04/24/2021 | 07:32:12 | -76.58,-131.43 | 115.76 | 2.67 | 23 |
| 17 | 04/24/2021 | 08:22:34 | 76.57, 35.89 | 64.23 | 04/24/2021 | 08:22:52 | 76.57, 35.85 | 64.22 | 0.98 | 18 |
| 18 | 04/24/2021 | 09:13:18 | -76.56,-156.74 | 115.81 | 04/24/2021 | 09:13:34 | -76.56,-156.85 | 115.80 | 2.98 | 16 |
| 19 | 04/24/2021 | 10:04:04 | 76.58, 10.50 | 64.21 | 04/24/2021 | 10:04:14 | 76.55, 10.44 | 64.18 | 3.35 | 10 |
| 20 | 04/24/2021 | 10:54:48 | -76.56, 177.88 | 115.83 | 04/24/2021 | 10:54:55 | -76.59, 177.90 | 115.80 | 3.44 | 7 |
| 21 | 04/24/2021 | 11:45:34 | 76.58, -14.89 | 64.19 | 04/24/2021 | 11:45:35 | 76.58, -14.81 | 64.18 | 1.88 | 1 |
| 22 | 04/24/2021 | 12:36:18 | -76.56, 152.49 | 115.85 | 04/24/2021 | 12:36:17 | -76.57, 152.49 | 115.84 | 0.79 | 1 |
| 23 | 04/24/2021 | 13:27:04 | 76.58, -40.27 | 64.17 | 04/24/2021 | 13:26:57 | 76.55, -40.23 | 64.14 | 3.25 | 7 |
| 24 | 04/24/2021 | 14:17:48 | -76.57, 127.11 | 115.87 | 04/24/2021 | 14:17:39 | -76.55, 127.07 | 115.88 | 1.98 | 9 |
| 25 | 04/24/2021 | 15:08:33 | 76.54, -65.49 | 64.09 | 04/24/2021 | 15:08:19 | 76.53, -65.64 | 64.10 | 4.08 | 14 |
| 26 | 04/24/2021 | 15:59:18 | -76.57, 101.72 | 115.89 | 04/24/2021 | 15:59:00 | -76.57, 101.82 | 115.88 | 2.77 | 18 |
| 27 | 04/24/2021 | 16:50:03 | 76.54, -90.88 | 64.07 | 04/24/2021 | 16:49:40 | 76.56, -90.90 | 64.10 | 1.84 | 23 |
| 28 | 04/24/2021 | 17:40:48 | -76.57, 76.33 | 115.91 | 04/24/2021 | 17:40:22 | -76.55, 76.41 | 115.92 | 2.75 | 26 |
| 29 | 04/24/2021 | 18:31:33 | 76.55,-116.26 | 64.06 | 04/24/2021 | 18:31:02 | 76.54,-116.31 | 64.06 | 1.52 | 31 |
| 30 | 04/24/2021 | 19:22:17 | -76.53, 51.12 | 115.98 | 04/24/2021 | 19:21:44 | -76.53, 51.00 | 115.96 | 3.14 | 33 |
| 31 | 04/24/2021 | 20:13:03 | 76.55,-141.65 | 64.04 | 04/24/2021 | 20:12:23 | 76.56,-141.56 | 64.06 | 2.76 | 40 |
| 32 | 04/24/2021 | 21:03:47 | -76.53, 25.73 | 116.00 | 04/24/2021 | 21:03:05 | -76.56, 25.74 | 115.96 | 2.93 | 42 |
| 33 | 04/24/2021 | 21:54:33 | 76.55,-167.04 | 64.02 | 04/24/2021 | 21:53:45 | 76.54,-166.98 | 64.02 | 1.83 | 48 |
| 34 | 04/24/2021 | 22:45:17 | -76.54, 0.34 | 116.02 | 04/24/2021 | 22:44:27 | -76.54, 0.33 | 116.00 | 0.46 | 50 |
| 35 | 04/24/2021 | 23:36:03 | 76.56, 167.58 | 64.00 | 04/24/2021 | 23:35:07 | 76.52, 167.61 | 63.98 | 3.74 | 56 |
| 36 | 04/25/2021 | 00:26:47 | -76.54, -25.04 | 116.04 | 04/25/2021 | 00:25:49 | -76.52, -25.08 | 116.04 | 2.54 | 58 |
| 37 | 04/25/2021 | 01:17:32 | 76.51, 142.36 | 63.92 | 04/25/2021 | 01:16:28 | 76.55, 142.36 | 63.98 | 3.81 | 64 |
Figure of NOAA-20 and METOP-A satellite orbits during SNOs since TLE Epoch: 4/11/2021
Download SNOs between NOAA-20 and METOP-A since TLE EPOCH: 04/11/2021 in txt file.
Historial Predications of SNOs between NOAA-20 and METOP-A