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: 8/23/2023
  | 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  |   08/23/2023 |   13:42:53   |    -73.50, 144.17  |   117.68  |   08/23/2023 |   13:44:00   |   -73.46, 146.94  |   117.87  |    87.67    |        67 |  
 |  2  |   08/23/2023 |   14:33:35   |     73.29, -48.06  |    62.11  |   08/23/2023 |   14:34:44   |    73.25, -46.19  |    61.96  |    59.79    |        69 |  
 |  3  |   08/23/2023 |   15:24:17   |    -73.20, 119.46  |   117.99  |   08/23/2023 |   15:25:28   |   -73.14, 120.89  |   118.14  |    46.26    |        71 |  
 |  4  |   08/23/2023 |   16:14:59   |     72.99, -72.78  |    61.80  |   08/23/2023 |   16:16:12   |    72.93, -72.24  |    61.69  |    19.06    |        73 |  
 |  5  |   08/23/2023 |   17:05:41   |    -72.90,  94.73  |   118.29  |   08/23/2023 |   17:06:55   |   -72.86,  94.96  |   118.36  |     8.42    |        74 |  
 |  6  |   08/23/2023 |   17:56:26   |     72.84, -97.84  |    61.66  |   08/23/2023 |   17:57:35   |    72.85, -97.73  |    61.65  |     3.59    |        69 |  
 |  7  |   08/23/2023 |   18:47:09   |    -72.80,  69.56  |   118.38  |   08/23/2023 |   18:48:18   |   -72.79,  69.47  |   118.40  |     3.53    |        69 |  
 |  8  |   08/23/2023 |   19:37:56   |     72.85,-123.22  |    61.69  |   08/23/2023 |   19:38:57   |    72.83,-123.12  |    61.65  |     3.65    |        61 |  
 |  9  |   08/23/2023 |   20:28:39   |    -72.81,  44.18  |   118.35  |   08/23/2023 |   20:29:39   |   -72.82,  44.18  |   118.35  |     1.39    |        60 |  
 |  10  |   08/23/2023 |   21:19:25   |     72.80,-148.49  |    61.66  |   08/23/2023 |   21:20:19   |    72.80,-148.51  |    61.65  |     1.04    |        54 |  
 |  11  |   08/23/2023 |   22:10:09   |    -72.81,  18.80  |   118.33  |   08/23/2023 |   22:11:01   |   -72.79,  18.79  |   118.35  |     1.58    |        52 |  
 |  12  |   08/23/2023 |   23:00:55   |     72.80,-173.87  |    61.68  |   08/23/2023 |   23:01:41   |    72.78,-173.90  |    61.66  |     2.31    |        46 |  
 |  13  |   08/23/2023 |   23:51:39   |    -72.81,  -6.58  |   118.30  |   08/23/2023 |   23:52:22   |   -72.82,  -6.49  |   118.30  |     3.04    |        43 |  
 |  14  |   08/24/2023 |   00:42:25   |     72.80, 160.75  |    61.71  |   08/24/2023 |   00:43:02   |    72.81, 160.82  |    61.70  |     2.34    |        37 |  
 |  15  |   08/24/2023 |   01:33:08   |    -72.81, -31.96  |   118.27  |   08/24/2023 |   01:33:43   |   -72.80, -31.88  |   118.30  |     3.09    |        35 |  
 |  16  |   08/24/2023 |   02:23:54   |     72.81, 135.37  |    61.74  |   08/24/2023 |   02:24:23   |    72.78, 135.43  |    61.71  |     3.10    |        29 |  
 |  17  |   08/24/2023 |   03:14:37   |    -72.77, -57.23  |   118.30  |   08/24/2023 |   03:15:05   |   -72.77, -57.27  |   118.30  |     1.52    |        28 |  
 |  18  |   08/24/2023 |   04:05:23   |     72.76, 110.09  |    61.71  |   08/24/2023 |   04:05:45   |    72.76, 110.04  |    61.71  |     1.79    |        22 |  
 |  19  |   08/24/2023 |   04:56:07   |    -72.77, -82.61  |   118.27  |   08/24/2023 |   04:56:27   |   -72.75, -82.66  |   118.29  |     2.48    |        20 |  
 |  20  |   08/24/2023 |   05:46:53   |     72.76,  84.71  |    61.73  |   08/24/2023 |   05:47:06   |    72.79,  84.75  |    61.76  |     3.33    |        13 |  
 |  21  |   08/24/2023 |   06:37:37   |    -72.77,-107.99  |   118.25  |   08/24/2023 |   06:37:48   |   -72.78,-107.94  |   118.25  |     1.85    |        11 |  
 |  22  |   08/24/2023 |   07:28:23   |     72.76,  59.33  |    61.76  |   08/24/2023 |   07:28:28   |    72.76,  59.37  |    61.76  |     1.14    |         5 |  
 |  23  |   08/24/2023 |   08:19:07   |    -72.77,-133.37  |   118.22  |   08/24/2023 |   08:19:10   |   -72.75,-133.33  |   118.24  |     2.65    |         3 |  
 |  24  |   08/24/2023 |   09:09:53   |     72.77,  33.95  |    61.79  |   08/24/2023 |   09:09:50   |    72.74,  33.98  |    61.76  |     3.04    |         3 |  
 |  25  |   08/24/2023 |   10:00:36   |    -72.73,-158.65  |   118.25  |   08/24/2023 |   10:00:32   |   -72.73,-158.72  |   118.24  |     2.33    |         4 |  
 |  26  |   08/24/2023 |   10:51:22   |     72.72,   8.67  |    61.76  |   08/24/2023 |   10:51:12   |    72.72,   8.59  |    61.76  |     2.89    |        10 |  
 |  27  |   08/24/2023 |   11:42:06   |    -72.73, 175.97  |   118.22  |   08/24/2023 |   11:41:53   |   -72.76, 176.00  |   118.19  |     3.28    |        13 |  
 |  28  |   08/24/2023 |   12:32:52   |     72.72, -16.71  |    61.79  |   08/24/2023 |   12:32:33   |    72.74, -16.70  |    61.81  |     2.48    |        19 |  
 |  29  |   08/24/2023 |   13:23:36   |    -72.73, 150.59  |   118.20  |   08/24/2023 |   13:23:15   |   -72.73, 150.61  |   118.19  |     0.66    |        21 |  
 |  30  |   08/24/2023 |   14:14:22   |     72.72, -42.09  |    61.81  |   08/24/2023 |   14:13:55   |    72.72, -42.09  |    61.81  |     0.50    |        27 |  
 |  31  |   08/24/2023 |   15:05:06   |    -72.73, 125.21  |   118.17  |   08/24/2023 |   15:04:37   |   -72.71, 125.22  |   118.19  |     2.74    |        29 |  
 |  32  |   08/24/2023 |   15:55:52   |     72.73, -67.47  |    61.84  |   08/24/2023 |   15:55:17   |    72.70, -67.47  |    61.82  |     3.48    |        35 |  
 |  33  |   08/24/2023 |   16:46:35   |    -72.69,  99.93  |   118.20  |   08/24/2023 |   16:45:59   |   -72.69,  99.83  |   118.18  |     3.36    |        36 |  
 |  34  |   08/24/2023 |   17:37:22   |     72.73, -92.85  |    61.87  |   08/24/2023 |   17:36:38   |    72.72, -92.76  |    61.87  |     3.03    |        44 |  
 |  35  |   08/24/2023 |   18:28:05   |    -72.69,  74.55  |   118.17  |   08/24/2023 |   18:27:20   |   -72.71,  74.55  |   118.14  |     2.67    |        45 |  
 |  36  |   08/24/2023 |   19:18:51   |     72.68,-118.12  |    61.84  |   08/24/2023 |   19:18:00   |    72.70,-118.15  |    61.87  |     2.07    |        51 |  
 |  37  |   08/24/2023 |   20:09:35   |    -72.69,  49.17  |   118.14  |   08/24/2023 |   20:08:42   |   -72.69,  49.16  |   118.13  |     0.53    |        53 |  
 |  38  |   08/24/2023 |   21:00:21   |     72.68,-143.50  |    61.87  |   08/24/2023 |   20:59:22   |    72.67,-143.54  |    61.87  |     1.51    |        59 |  
 |  39  |   08/24/2023 |   21:51:05   |    -72.69,  23.79  |   118.12  |   08/24/2023 |   21:50:04   |   -72.67,  23.77  |   118.13  |     3.31    |        61 |  
 |  40  |   08/24/2023 |   22:41:51   |     72.69,-168.88  |    61.89  |   08/24/2023 |   22:40:43   |    72.70,-168.82  |    61.92  |     2.66    |        68 |  
 |  41  |   08/24/2023 |   23:32:35   |    -72.70,  -1.59  |   118.09  |   08/24/2023 |   23:31:25   |   -72.69,  -1.51  |   118.08  |     2.52    |        70 |  
 |  42  |   08/25/2023 |   00:23:20   |     72.64, 165.84  |    61.86  |   08/25/2023 |   00:22:06   |    72.63, 165.69  |    61.88  |     5.24    |        74 |  
 |  43  |   08/25/2023 |   01:14:03   |    -72.60, -26.76  |   118.17  |   08/25/2023 |   01:12:49   |   -72.57, -27.11  |   118.17  |    12.06    |        74 |  
 |  44  |   08/25/2023 |   02:04:44   |     72.34, 141.07  |    61.56  |   08/25/2023 |   02:03:33   |    72.35, 139.79  |    61.65  |    43.31    |        71 |  
 |  45  |   08/25/2023 |   02:55:27   |    -72.30, -51.53  |   118.48  |   08/25/2023 |   02:54:16   |   -72.29, -53.00  |   118.39  |    49.62    |        71 |  
 |  46  |   08/25/2023 |   03:46:08   |     72.03, 116.29  |    61.25  |   08/25/2023 |   03:45:01   |    72.01, 113.81  |    61.39  |    85.02    |        67 |  
 |  47  |   08/25/2023 |   04:36:51   |    -71.99, -76.32  |   118.78  |   08/25/2023 |   04:35:44   |   -71.96, -78.97  |   118.66  |    91.22    |        67 |  
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 8/23/2023 
 Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 08/23/2023 in txt file. 
 Historial Predications of SNOs between NOAA-21 and METOP-B