Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and NOAA-19 Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/20/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (NOAA-19) | Time (NOAA-19) | Lat,Lon (NOAA-19) | SZA (NOAA-19 ) | Distance(km) | Time Diff (sec) |
| 1 | 04/28/2025 | 06:44:47 | -70.78,-105.89 | 123.52 | 04/28/2025 | 06:43:38 | -70.74,-107.87 | 123.49 | 72.44 | 69 |
| 2 | 04/28/2025 | 07:35:41 | 71.23, 60.66 | 56.94 | 04/28/2025 | 07:34:27 | 71.22, 60.24 | 56.96 | 15.13 | 74 |
| 3 | 04/28/2025 | 08:26:28 | -71.37,-132.26 | 122.93 | 04/28/2025 | 08:25:22 | -71.38,-132.21 | 122.91 | 2.11 | 66 |
| 4 | 04/28/2025 | 09:17:13 | 71.35, 35.09 | 57.04 | 04/28/2025 | 09:16:21 | 71.35, 35.00 | 57.06 | 3.34 | 52 |
| 5 | 04/28/2025 | 10:07:58 | -71.38,-157.66 | 122.94 | 04/28/2025 | 10:07:18 | -71.41,-157.65 | 122.91 | 3.11 | 40 |
| 6 | 04/28/2025 | 10:58:44 | 71.41, 9.60 | 57.09 | 04/28/2025 | 10:58:16 | 71.43, 9.66 | 57.11 | 3.28 | 28 |
| 7 | 04/28/2025 | 11:49:28 | -71.45, 176.85 | 122.89 | 04/28/2025 | 11:49:13 | -71.44, 176.92 | 122.90 | 2.64 | 15 |
| 8 | 04/28/2025 | 12:40:13 | 71.42, -15.80 | 57.08 | 04/28/2025 | 12:40:12 | 71.41, -15.87 | 57.07 | 2.90 | 1 |
| 9 | 04/28/2025 | 13:30:58 | -71.46, 151.46 | 122.90 | 04/28/2025 | 13:31:09 | -71.47, 151.49 | 122.90 | 1.61 | 11 |
| 10 | 04/28/2025 | 14:21:44 | 71.49, -41.29 | 57.12 | 04/28/2025 | 14:22:07 | 71.49, -41.21 | 57.12 | 2.86 | 23 |
| 11 | 04/28/2025 | 15:12:28 | -71.47, 126.06 | 122.91 | 04/28/2025 | 15:13:05 | -71.50, 126.06 | 122.89 | 2.78 | 37 |
| 12 | 04/28/2025 | 16:03:14 | 71.50, -66.68 | 57.11 | 04/28/2025 | 16:04:03 | 71.52, -66.64 | 57.12 | 2.53 | 49 |
| 13 | 04/28/2025 | 16:53:59 | -71.54, 100.57 | 122.87 | 04/28/2025 | 16:55:01 | -71.53, 100.63 | 122.89 | 2.44 | 62 |
| 14 | 04/28/2025 | 17:44:45 | 71.57, -92.17 | 57.16 | 04/28/2025 | 17:45:59 | 71.55, -92.07 | 57.13 | 4.22 | 74 |
| 15 | 04/28/2025 | 18:35:39 | -72.06, 74.22 | 122.33 | 04/28/2025 | 18:36:48 | -72.01, 76.08 | 122.45 | 63.77 | 69 |
Figure of NOAA-21 and NOAA-19 satellite orbits during SNOs since TLE Epoch: 4/20/2025
Download SNOs between NOAA-21 and NOAA-19 since TLE EPOCH: 04/20/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and NOAA-19