Simultaneous Nadir Overpasses (SNOs) Predictions
Prediction of SNOs between NOAA-21 and METOP-B Satellite Orbit:
Table of predicted SNOs for the next 14.0 days since TLE Epoch: 8/15/2025
| Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (METOP-B) | Time (METOP-B) | Lat,Lon (METOP-B) | SZA (METOP-B ) | Distance(km) | Time Diff (sec) |
| 1 | 08/15/2025 | 22:07:06 | 74.34,-163.53 | 60.95 | 08/15/2025 | 22:06:17 | 74.36,-163.53 | 60.98 | 1.90 | 49 |
| 2 | 08/15/2025 | 22:57:51 | -74.36, 3.73 | 119.03 | 08/15/2025 | 22:56:59 | -74.34, 3.74 | 119.04 | 2.70 | 52 |
| 3 | 08/15/2025 | 23:48:36 | 74.35, 171.08 | 60.97 | 08/15/2025 | 23:47:39 | 74.34, 171.09 | 60.99 | 0.55 | 57 |
| 4 | 08/16/2025 | 00:39:20 | -74.32, -21.53 | 119.05 | 08/16/2025 | 00:38:21 | -74.32, -21.64 | 119.03 | 3.25 | 59 |
| 5 | 08/16/2025 | 01:30:06 | 74.35, 145.69 | 61.00 | 08/16/2025 | 01:29:01 | 74.33, 145.71 | 60.99 | 2.84 | 65 |
| 6 | 08/16/2025 | 02:20:50 | -74.32, -46.92 | 119.03 | 08/16/2025 | 02:19:43 | -74.31, -47.02 | 119.02 | 3.57 | 67 |
| 7 | 08/16/2025 | 03:11:35 | 74.31, 120.43 | 60.97 | 08/16/2025 | 03:10:23 | 74.31, 120.33 | 61.00 | 3.10 | 72 |
| 8 | 08/16/2025 | 04:02:19 | -74.28, -72.18 | 119.05 | 08/16/2025 | 04:01:05 | -74.29, -72.40 | 119.01 | 6.70 | 74 |
| 9 | 08/16/2025 | 04:53:01 | 74.12, 95.54 | 60.78 | 08/16/2025 | 04:51:49 | 74.10, 94.46 | 60.85 | 33.04 | 72 |
| 10 | 08/16/2025 | 05:43:43 | -73.99, -96.83 | 119.36 | 08/16/2025 | 05:42:33 | -73.98, -98.50 | 119.23 | 51.33 | 70 |
| 11 | 08/16/2025 | 06:34:24 | 73.78, 71.00 | 60.42 | 08/16/2025 | 06:33:17 | 73.78, 68.37 | 60.63 | 81.69 | 67 |
| 12 | 08/16/2025 | 07:25:07 | -73.70,-121.51 | 119.66 | 08/16/2025 | 07:24:01 | -73.66,-124.58 | 119.46 | 96.13 | 66 |
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 8/15/2025
Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 08/15/2025 in txt file.
Historial Predications of SNOs between NOAA-21 and METOP-B