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: 3/19/2023
  | 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  |   03/21/2023 |   18:55:16   |    -73.49,  66.35  |   106.61  |   03/21/2023 |   18:56:23   |   -73.42,  69.16  |   106.84  |    89.34    |        67 |  
 |  2  |   03/21/2023 |   19:45:58   |     73.30,-125.91  |    73.17  |   03/21/2023 |   19:47:06   |    73.25,-123.88  |    73.00  |    65.13    |        68 |  
 |  3  |   03/21/2023 |   20:36:40   |    -73.20,  41.63  |   106.96  |   03/21/2023 |   20:37:50   |   -73.15,  43.21  |   107.12  |    51.37    |        70 |  
 |  4  |   03/21/2023 |   21:27:22   |     73.01,-150.64  |    72.81  |   03/21/2023 |   21:28:34   |    72.93,-149.93  |    72.68  |    24.93    |        72 |  
 |  5  |   03/21/2023 |   22:18:04   |    -72.91,  16.88  |   107.32  |   03/21/2023 |   22:19:17   |   -72.87,  17.28  |   107.39  |    13.63    |        73 |  
 |  6  |   03/21/2023 |   23:08:48   |     72.81,-175.61  |    72.57  |   03/21/2023 |   23:09:58   |    72.80,-175.53  |    72.54  |     2.82    |        70 |  
 |  7  |   03/21/2023 |   23:59:32   |    -72.81,  -8.30  |   107.45  |   03/22/2023 |   00:00:40   |   -72.80,  -8.21  |   107.48  |     3.37    |        68 |  
 |  8  |   03/22/2023 |   00:50:17   |     72.77, 159.11  |    72.50  |   03/22/2023 |   00:51:20   |    72.78, 159.08  |    72.49  |     1.15    |        63 |  
 |  9  |   03/22/2023 |   01:41:01   |    -72.77, -33.58  |   107.52  |   03/22/2023 |   01:42:02   |   -72.77, -33.60  |   107.53  |     0.68    |        61 |  
 |  10  |   03/22/2023 |   02:31:47   |     72.78, 133.71  |    72.48  |   03/22/2023 |   02:32:42   |    72.75, 133.69  |    72.44  |     3.08    |        55 |  
 |  11  |   03/22/2023 |   03:22:31   |    -72.78, -58.98  |   107.54  |   03/22/2023 |   03:23:23   |   -72.80, -58.89  |   107.54  |     3.41    |        52 |  
 |  12  |   03/22/2023 |   04:13:17   |     72.79, 108.32  |    72.46  |   03/22/2023 |   04:14:03   |    72.78, 108.40  |    72.44  |     2.87    |        46 |  
 |  13  |   03/22/2023 |   05:04:01   |    -72.79, -84.37  |   107.56  |   03/22/2023 |   05:04:45   |   -72.77, -84.28  |   107.59  |     3.37    |        44 |  
 |  14  |   03/22/2023 |   05:54:46   |     72.74,  83.03  |    72.39  |   03/22/2023 |   05:55:25   |    72.75,  83.01  |    72.39  |     1.18    |        39 |  
 |  15  |   03/22/2023 |   06:45:30   |    -72.75,-109.65  |   107.63  |   03/22/2023 |   06:46:07   |   -72.75,-109.67  |   107.64  |     0.56    |        37 |  
 |  16  |   03/22/2023 |   07:36:16   |     72.75,  57.64  |    72.37  |   03/22/2023 |   07:36:47   |    72.73,  57.62  |    72.34  |     2.87    |        31 |  
 |  17  |   03/22/2023 |   08:27:00   |    -72.76,-135.05  |   107.65  |   03/22/2023 |   08:27:29   |   -72.72,-135.06  |   107.69  |     3.52    |        29 |  
 |  18  |   03/22/2023 |   09:17:46   |     72.76,  32.25  |    72.35  |   03/22/2023 |   09:18:08   |    72.75,  32.34  |    72.33  |     2.95    |        22 |  
 |  19  |   03/22/2023 |   10:08:30   |    -72.76,-160.44  |   107.67  |   03/22/2023 |   10:08:50   |   -72.75,-160.35  |   107.69  |     3.40    |        20 |  
 |  20  |   03/22/2023 |   10:59:15   |     72.72,   6.96  |    72.27  |   03/22/2023 |   10:59:30   |    72.73,   6.95  |    72.28  |     1.24    |        15 |  
 |  21  |   03/22/2023 |   11:49:59   |    -72.72, 174.27  |   107.74  |   03/22/2023 |   11:50:12   |   -72.73, 174.26  |   107.74  |     0.54    |        13 |  
 |  22  |   03/22/2023 |   12:40:45   |     72.73, -18.43  |    72.26  |   03/22/2023 |   12:40:52   |    72.70, -18.45  |    72.23  |     2.66    |         7 |  
 |  23  |   03/22/2023 |   13:31:29   |    -72.73, 148.88  |   107.76  |   03/22/2023 |   13:31:34   |   -72.70, 148.87  |   107.79  |     3.30    |         5 |  
 |  24  |   03/22/2023 |   14:22:15   |     72.74, -43.82  |    72.24  |   03/22/2023 |   14:22:13   |    72.73, -43.73  |    72.23  |     3.07    |         2 |  
 |  25  |   03/22/2023 |   15:12:59   |    -72.74, 123.49  |   107.78  |   03/22/2023 |   15:12:55   |   -72.73, 123.59  |   107.80  |     3.47    |         4 |  
 |  26  |   03/22/2023 |   16:03:44   |     72.69, -69.11  |    72.16  |   03/22/2023 |   16:03:35   |    72.71, -69.12  |    72.18  |     1.33    |         9 |  
 |  27  |   03/22/2023 |   16:54:28   |    -72.70,  98.20  |   107.85  |   03/22/2023 |   16:54:17   |   -72.70,  98.20  |   107.85  |     0.62    |        11 |  
 |  28  |   03/22/2023 |   17:45:14   |     72.70, -94.50  |    72.14  |   03/22/2023 |   17:44:57   |    72.68, -94.51  |    72.13  |     2.48    |        17 |  
 |  29  |   03/22/2023 |   18:35:58   |    -72.71,  72.81  |   107.87  |   03/22/2023 |   18:35:39   |   -72.68,  72.81  |   107.90  |     3.10    |        19 |  
 |  30  |   03/22/2023 |   19:26:44   |     72.71,-119.89  |    72.13  |   03/22/2023 |   19:26:18   |    72.71,-119.80  |    72.12  |     3.20    |        26 |  
 |  31  |   03/22/2023 |   20:17:28   |    -72.71,  47.42  |   107.89  |   03/22/2023 |   20:17:00   |   -72.70,  47.52  |   107.90  |     3.57    |        28 |  
 |  32  |   03/22/2023 |   21:08:13   |     72.67,-145.18  |    72.05  |   03/22/2023 |   21:07:40   |    72.68,-145.19  |    72.07  |     1.43    |        33 |  
 |  33  |   03/22/2023 |   21:58:57   |    -72.67,  22.13  |   107.97  |   03/22/2023 |   21:58:22   |   -72.68,  22.13  |   107.95  |     0.78    |        35 |  
 |  34  |   03/22/2023 |   22:49:43   |     72.68,-170.57  |    72.03  |   03/22/2023 |   22:49:02   |    72.66,-170.58  |    72.02  |     2.32    |        41 |  
 |  35  |   03/22/2023 |   23:40:27   |    -72.68,  -3.26  |   107.98  |   03/22/2023 |   23:39:44   |   -72.65,  -3.26  |   108.00  |     2.93    |        43 |  
 |  36  |   03/23/2023 |   00:31:13   |     72.69, 164.03  |    72.01  |   03/23/2023 |   00:30:23   |    72.68, 164.14  |    72.02  |     3.36    |        50 |  
 |  37  |   03/23/2023 |   01:21:56   |    -72.64, -28.55  |   108.06  |   03/23/2023 |   01:21:06   |   -72.63, -28.65  |   108.05  |     3.46    |        50 |  
 |  38  |   03/23/2023 |   02:12:42   |     72.65, 138.75  |    71.94  |   03/23/2023 |   02:11:45   |    72.66, 138.74  |    71.97  |     1.54    |        57 |  
 |  39  |   03/23/2023 |   03:03:26   |    -72.65, -53.94  |   108.08  |   03/23/2023 |   03:02:27   |   -72.66, -53.94  |   108.05  |     0.96    |        59 |  
 |  40  |   03/23/2023 |   03:54:12   |     72.65, 113.35  |    71.92  |   03/23/2023 |   03:53:07   |    72.63, 113.35  |    71.92  |     2.19    |        65 |  
 |  41  |   03/23/2023 |   04:44:56   |    -72.66, -79.33  |   108.10  |   03/23/2023 |   04:43:49   |   -72.63, -79.33  |   108.10  |     2.78    |        67 |  
 |  42  |   03/23/2023 |   05:35:40   |     72.61,  88.07  |    71.85  |   03/23/2023 |   05:34:28   |    72.61,  87.96  |    71.87  |     3.38    |        72 |  
 |  43  |   03/23/2023 |   06:26:24   |    -72.61,-104.62  |   108.17  |   03/23/2023 |   06:25:10   |   -72.61,-104.72  |   108.15  |     3.22    |        74 |  
 |  44  |   03/23/2023 |   07:17:06   |     72.42,  63.08  |    71.61  |   03/23/2023 |   07:15:54   |    72.38,  62.17  |    71.64  |    31.13    |        72 |  
 |  45  |   03/23/2023 |   08:07:48   |    -72.32,-129.40  |   108.52  |   03/23/2023 |   08:06:37   |   -72.33,-130.61  |   108.43  |    40.81    |        71 |  
 |  46  |   03/23/2023 |   08:58:30   |     72.12,  38.29  |    71.25  |   03/23/2023 |   08:57:21   |    72.10,  36.28  |    71.36  |    68.75    |        69 |  
 |  47  |   03/23/2023 |   09:49:12   |    -72.02,-154.21  |   108.87  |   03/23/2023 |   09:48:04   |   -72.05,-156.49  |   108.70  |    78.54    |        68 |  
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 3/19/2023 
 Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 03/19/2023 in txt file. 
 Historial Predications of SNOs between NOAA-21 and METOP-B