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: 5/2/2023
  | 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  |   05/12/2023 |   15:06:05   |     73.39, -56.26  |    55.35  |   05/12/2023 |   15:07:12   |    73.35, -53.82  |    55.19  |    77.75    |        67 |  
 |  2  |   05/12/2023 |   15:56:47   |    -73.29, 111.28  |   124.77  |   05/12/2023 |   15:57:56   |   -73.25, 113.28  |   124.92  |    64.07    |        69 |  
 |  3  |   05/12/2023 |   16:47:29   |     73.09, -80.97  |    55.01  |   05/12/2023 |   16:48:40   |    73.02, -79.87  |    54.88  |    36.50    |        71 |  
 |  4  |   05/12/2023 |   17:38:11   |    -72.99,  86.56  |   125.12  |   05/12/2023 |   17:39:24   |   -72.92,  87.24  |   125.23  |    23.50    |        73 |  
 |  5  |   05/12/2023 |   18:28:53   |     72.79,-105.71  |    54.66  |   05/12/2023 |   18:30:06   |    72.80,-105.69  |    54.65  |     0.75    |        73 |  
 |  6  |   05/12/2023 |   19:19:37   |    -72.80,  61.60  |   125.35  |   05/12/2023 |   19:20:48   |   -72.80,  61.64  |   125.36  |     1.10    |        71 |  
 |  7  |   05/12/2023 |   20:10:23   |     72.80,-131.09  |    54.65  |   05/12/2023 |   20:11:28   |    72.77,-131.08  |    54.61  |     2.73    |        65 |  
 |  8  |   05/12/2023 |   21:01:07   |    -72.80,  36.22  |   125.36  |   05/12/2023 |   21:02:10   |   -72.77,  36.25  |   125.40  |     2.96    |        63 |  
 |  9  |   05/12/2023 |   21:51:52   |     72.75,-156.37  |    54.58  |   05/12/2023 |   21:52:50   |    72.75,-156.47  |    54.57  |     3.42    |        58 |  
 |  10  |   05/12/2023 |   22:42:36   |    -72.75,  10.95  |   125.43  |   05/12/2023 |   22:43:32   |   -72.75,  10.86  |   125.44  |     2.97    |        56 |  
 |  11  |   05/12/2023 |   23:33:22   |     72.75, 178.25  |    54.56  |   05/12/2023 |   23:34:11   |    72.77, 178.24  |    54.58  |     2.42    |        49 |  
 |  12  |   05/13/2023 |   00:24:06   |    -72.75, -14.44  |   125.45  |   05/13/2023 |   00:24:53   |   -72.77, -14.43  |   125.44  |     2.28    |        47 |  
 |  13  |   05/13/2023 |   01:14:52   |     72.76, 152.87  |    54.55  |   05/13/2023 |   01:15:33   |    72.75, 152.85  |    54.54  |     0.88    |        41 |  
 |  14  |   05/13/2023 |   02:05:36   |    -72.76, -39.82  |   125.46  |   05/13/2023 |   02:06:15   |   -72.75, -39.82  |   125.47  |     0.80    |        39 |  
 |  15  |   05/13/2023 |   02:56:22   |     72.76, 127.49  |    54.54  |   05/13/2023 |   02:56:54   |    72.78, 127.57  |    54.54  |     3.23    |        32 |  
 |  16  |   05/13/2023 |   03:47:06   |    -72.76, -65.20  |   125.47  |   05/13/2023 |   03:47:36   |   -72.78, -65.10  |   125.47  |     3.56    |        30 |  
 |  17  |   05/13/2023 |   04:37:52   |     72.76, 102.11  |    54.52  |   05/13/2023 |   04:38:16   |    72.75, 102.18  |    54.50  |     2.65    |        24 |  
 |  18  |   05/13/2023 |   05:28:36   |    -72.76, -90.58  |   125.49  |   05/13/2023 |   05:28:58   |   -72.75, -90.49  |   125.51  |     3.09    |        22 |  
 |  19  |   05/13/2023 |   06:19:21   |     72.71,  76.83  |    54.45  |   05/13/2023 |   06:19:38   |    72.73,  76.79  |    54.46  |     1.93    |        17 |  
 |  20  |   05/13/2023 |   07:10:05   |    -72.72,-115.86  |   125.56  |   05/13/2023 |   07:10:20   |   -72.73,-115.88  |   125.55  |     1.56    |        15 |  
 |  21  |   05/13/2023 |   08:00:51   |     72.72,  51.45  |    54.44  |   05/13/2023 |   08:01:00   |    72.70,  51.40  |    54.42  |     2.47    |         9 |  
 |  22  |   05/13/2023 |   08:51:35   |    -72.72,-141.24  |   125.57  |   05/13/2023 |   08:51:42   |   -72.70,-141.27  |   125.59  |     2.18    |         7 |  
 |  23  |   05/13/2023 |   09:42:21   |     72.72,  26.07  |    54.43  |   05/13/2023 |   09:42:21   |    72.73,  26.11  |    54.43  |     1.66    |         0 |  
 |  24  |   05/13/2023 |   10:33:05   |    -72.72,-166.62  |   125.58  |   05/13/2023 |   10:33:03   |   -72.73,-166.56  |   125.58  |     2.10    |         2 |  
 |  25  |   05/13/2023 |   11:23:51   |     72.72,   0.69  |    54.41  |   05/13/2023 |   11:23:43   |    72.70,   0.72  |    54.39  |     2.62    |         8 |  
 |  26  |   05/13/2023 |   12:14:35   |    -72.73, 168.00  |   125.60  |   05/13/2023 |   12:14:25   |   -72.71, 168.05  |   125.62  |     2.87    |        10 |  
 |  27  |   05/13/2023 |   13:05:20   |     72.68, -24.59  |    54.34  |   05/13/2023 |   13:05:05   |    72.68, -24.67  |    54.35  |     2.57    |        15 |  
 |  28  |   05/13/2023 |   13:56:04   |    -72.68, 142.72  |   125.67  |   05/13/2023 |   13:55:47   |   -72.68, 142.66  |   125.66  |     2.06    |        17 |  
 |  29  |   05/13/2023 |   14:46:50   |     72.68, -49.97  |    54.33  |   05/13/2023 |   14:46:26   |    72.71, -49.95  |    54.36  |     2.83    |        24 |  
 |  30  |   05/13/2023 |   15:37:34   |    -72.68, 117.34  |   125.68  |   05/13/2023 |   15:37:08   |   -72.71, 117.37  |   125.65  |     3.00    |        26 |  
 |  31  |   05/13/2023 |   16:28:20   |     72.68, -75.35  |    54.32  |   05/13/2023 |   16:27:48   |    72.68, -75.34  |    54.32  |     0.48    |        32 |  
 |  32  |   05/13/2023 |   17:19:04   |    -72.69,  91.96  |   125.69  |   05/13/2023 |   17:18:30   |   -72.68,  91.98  |   125.69  |     0.89    |        34 |  
 |  33  |   05/13/2023 |   18:09:50   |     72.69,-100.74  |    54.30  |   05/13/2023 |   18:09:10   |    72.66,-100.73  |    54.28  |     3.46    |        40 |  
 |  34  |   05/13/2023 |   19:00:34   |    -72.69,  66.58  |   125.71  |   05/13/2023 |   18:59:52   |   -72.66,  66.60  |   125.73  |     3.42    |        42 |  
 |  35  |   05/13/2023 |   19:51:20   |     72.69,-126.12  |    54.29  |   05/13/2023 |   19:50:31   |    72.68,-126.02  |    54.29  |     3.34    |        49 |  
 |  36  |   05/13/2023 |   20:42:03   |    -72.64,  41.30  |   125.78  |   05/13/2023 |   20:41:14   |   -72.63,  41.21  |   125.77  |     3.25    |        49 |  
 |  37  |   05/13/2023 |   21:32:49   |     72.64,-151.39  |    54.22  |   05/13/2023 |   21:31:53   |    72.66,-151.41  |    54.25  |     1.71    |        56 |  
 |  38  |   05/13/2023 |   22:23:33   |    -72.64,  15.92  |   125.79  |   05/13/2023 |   22:22:35   |   -72.66,  15.92  |   125.76  |     1.73    |        58 |  
 |  39  |   05/13/2023 |   23:14:19   |     72.65,-176.78  |    54.21  |   05/13/2023 |   23:13:15   |    72.63,-176.80  |    54.21  |     1.69    |        64 |  
 |  40  |   05/14/2023 |   00:05:03   |    -72.65,  -9.46  |   125.80  |   05/14/2023 |   00:03:57   |   -72.64,  -9.47  |   125.80  |     1.38    |        66 |  
 |  41  |   05/14/2023 |   00:55:49   |     72.65, 157.84  |    54.19  |   05/14/2023 |   00:54:36   |    72.66, 157.91  |    54.21  |     2.59    |        73 |  
 |  42  |   05/14/2023 |   01:46:33   |    -72.65, -34.84  |   125.82  |   05/14/2023 |   01:45:18   |   -72.66, -34.76  |   125.80  |     3.14    |        75 |  
 |  43  |   05/14/2023 |   02:37:14   |     72.40, 132.97  |    53.91  |   05/14/2023 |   02:36:02   |    72.43, 132.11  |    53.99  |    29.14    |        72 |  
 |  44  |   05/14/2023 |   03:27:57   |    -72.35, -59.61  |   126.16  |   05/14/2023 |   03:26:45   |   -72.38, -60.66  |   126.07  |    35.30    |        72 |  
 |  45  |   05/14/2023 |   04:18:37   |     72.09, 108.19  |    53.56  |   05/14/2023 |   04:17:29   |    72.10, 106.13  |    53.68  |    70.56    |        68 |  
 |  46  |   05/14/2023 |   05:09:20   |    -72.05, -84.40  |   126.50  |   05/14/2023 |   05:08:12   |   -72.05, -86.64  |   126.38  |    76.57    |        68 |  
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 5/2/2023 
 Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 05/02/2023 in txt file. 
 Historial Predications of SNOs between NOAA-21 and METOP-B