Simultaneous Nadir Overpasses (SNOs) Predictions  
  Prediction of SNOs between NOAA-21 and LANDSAT-8 Satellite Orbit: 
  Table of predicted SNOs for the next  14.0 days since TLE Epoch: 6/19/2023
  | Index | Date (NOAA-21) | Time (NOAA-21) | Lat,Lon (NOAA-21) | SZA (NOAA-21 ) | Date (LANDSAT-8) | Time (LANDSAT-8) | Lat,Lon (LANDSAT-8) | SZA (LANDSAT-8 ) | Distance(km) | Time Diff (sec) | 
  
 | 1 | 06/19/2023 | 14:52:29 | 70.47, -47.63 | 47.03 | 06/19/2023 | 14:53:40 | 70.35, -46.71 | 46.87 | 36.61 | 71 | 
 | 2 | 06/19/2023 | 15:43:04 | -70.01, 120.40 | 133.46 | 06/19/2023 | 15:43:14 | -70.02, 120.44 | 133.46 | 1.53 | 10 | 
 | 3 | 06/19/2023 | 16:33:48 | 69.90, -72.12 | 46.42 | 06/19/2023 | 16:32:41 | 69.92, -72.06 | 46.45 | 3.31 | 67 | 
 | 4 | 06/22/2023 | 07:09:15 | 70.09,  68.74 | 46.62 | 06/22/2023 | 07:10:13 | 70.07,  68.77 | 46.59 | 1.82 | 58 | 
 | 5 | 06/22/2023 | 07:59:56 | -69.94,-123.72 | 133.54 | 06/22/2023 | 07:59:43 | -69.96,-123.76 | 133.52 | 2.29 | 13 | 
 | 6 | 06/22/2023 | 08:50:29 | 69.24,  44.60 | 45.74 | 06/22/2023 | 08:49:20 | 69.30,  42.99 | 45.86 | 63.74 | 69 | 
 | 7 | 06/24/2023 | 23:26:08 | 70.02,-175.39 | 46.59 | 06/24/2023 | 23:26:42 | 70.04,-175.39 | 46.60 | 2.00 | 34 | 
 | 8 | 06/25/2023 | 00:16:50 | -69.93,  -7.93 | 133.51 | 06/25/2023 | 00:16:12 | -69.93,  -7.91 | 133.50 | 0.81 | 38 | 
 | 9 | 06/27/2023 | 14:52:27 | -70.60, 132.17 | 132.72 | 06/27/2023 | 14:53:37 | -70.48, 133.49 | 132.89 | 50.54 | 70 | 
 | 10 | 06/27/2023 | 15:43:01 | 69.97, -59.54 | 46.63 | 06/27/2023 | 15:43:11 | 69.99, -59.58 | 46.64 | 2.70 | 10 | 
 | 11 | 06/27/2023 | 16:33:43 | -69.87, 107.93 | 133.48 | 06/27/2023 | 16:32:41 | -69.88, 107.90 | 133.46 | 1.52 | 62 | 
 | 12 | 06/30/2023 | 07:09:11 | -70.07,-111.23 | 133.13 | 06/30/2023 | 07:10:12 | -70.08,-111.21 | 133.14 | 1.06 | 61 | 
 | 13 | 06/30/2023 | 07:59:55 | 69.97,  56.23 | 46.77 | 06/30/2023 | 07:59:39 | 69.96,  56.28 | 46.76 | 2.03 | 16 | 
 | 14 | 06/30/2023 | 08:50:27 | -69.34,-135.53 | 133.89 | 06/30/2023 | 08:49:17 | -69.42,-136.83 | 133.76 | 51.94 | 70 | 
 | 15 | 07/02/2023 | 23:26:03 | -70.02,   4.61 | 132.99 | 07/02/2023 | 23:26:39 | -70.03,   4.62 | 132.99 | 0.94 | 36 | 
 | 16 | 07/03/2023 | 00:16:47 | 69.93, 172.07 | 46.91 | 07/03/2023 | 00:16:06 | 69.92, 172.11 | 46.90 | 1.80 | 41 | 
Figure of NOAA-21 and LANDSAT-8 satellite orbits during SNOs since TLE Epoch: 6/19/2023 
 Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/19/2023 in txt file. 
 Historial Predications of SNOs between NOAA-21 and LANDSAT-8
 Download SNOs between NOAA-21 and LANDSAT-8 since TLE EPOCH: 06/19/2023 in txt file. 
 Historial Predications of SNOs between NOAA-21 and LANDSAT-8