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: 7/1/2023
  | 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  |   07/02/2023 |   23:27:11   |    -73.54,  -1.94  |   129.18  |   07/02/2023 |   23:28:17   |   -73.50,   1.11  |   129.41  |    96.31    |        66 |  
 |  2  |   07/03/2023 |   00:17:53   |     73.35, 165.80  |    50.61  |   07/03/2023 |   00:19:01   |    73.28, 167.95  |    50.41  |    69.13    |        68 |  
 |  3  |   07/03/2023 |   01:08:35   |    -73.25, -26.65  |   129.50  |   07/03/2023 |   01:09:45   |   -73.18, -24.95  |   129.69  |    55.28    |        70 |  
 |  4  |   07/03/2023 |   01:59:17   |     73.06, 141.07  |    50.29  |   07/03/2023 |   02:00:28   |    73.01, 142.01  |    50.17  |    31.03    |        71 |  
 |  5  |   07/03/2023 |   02:49:59   |    -72.96, -51.39  |   129.82  |   07/03/2023 |   02:51:12   |   -72.90, -50.88  |   129.92  |    17.62    |        73 |  
 |  6  |   07/03/2023 |   03:40:42   |     72.81, 116.22  |    50.03  |   07/03/2023 |   03:41:53   |    72.83, 116.30  |    50.02  |     3.24    |        71 |  
 |  7  |   07/03/2023 |   04:31:26   |    -72.81, -76.46  |   129.98  |   07/03/2023 |   04:32:35   |   -72.83, -76.38  |   129.98  |     3.52    |        69 |  
 |  8  |   07/03/2023 |   05:22:12   |     72.82,  90.83  |    50.04  |   07/03/2023 |   05:23:15   |    72.81,  90.91  |    50.00  |     3.10    |        63 |  
 |  9  |   07/03/2023 |   06:12:56   |    -72.82,-101.85  |   129.96  |   07/03/2023 |   06:13:57   |   -72.81,-101.76  |   130.00  |     3.13    |        61 |  
 |  10  |   07/03/2023 |   07:03:41   |     72.78,  65.55  |    50.00  |   07/03/2023 |   07:04:37   |    72.78,  65.52  |    49.99  |     1.01    |        56 |  
 |  11  |   07/03/2023 |   07:54:25   |    -72.77,-127.13  |   130.01  |   07/03/2023 |   07:55:19   |   -72.78,-127.15  |   130.01  |     1.06    |        54 |  
 |  12  |   07/03/2023 |   08:45:11   |     72.78,  40.16  |    50.01  |   07/03/2023 |   08:45:59   |    72.76,  40.13  |    49.97  |     3.00    |        48 |  
 |  13  |   07/03/2023 |   09:35:55   |    -72.78,-152.52  |   129.99  |   07/03/2023 |   09:36:41   |   -72.76,-152.54  |   130.03  |     2.65    |        46 |  
 |  14  |   07/03/2023 |   10:26:41   |     72.79,  14.77  |    50.02  |   07/03/2023 |   10:27:20   |    72.78,  14.85  |    50.00  |     2.73    |        39 |  
 |  15  |   07/03/2023 |   11:17:25   |    -72.79,-177.91  |   129.98  |   07/03/2023 |   11:18:02   |   -72.79,-177.83  |   130.00  |     2.85    |        37 |  
 |  16  |   07/03/2023 |   12:08:10   |     72.75, -10.52  |    49.98  |   07/03/2023 |   12:08:42   |    72.76, -10.54  |    49.99  |     1.70    |        32 |  
 |  17  |   07/03/2023 |   12:58:54   |    -72.75, 156.80  |   130.02  |   07/03/2023 |   12:59:24   |   -72.76, 156.78  |   130.01  |     1.92    |        30 |  
 |  18  |   07/03/2023 |   13:49:40   |     72.75, -35.91  |    50.00  |   07/03/2023 |   13:50:04   |    72.74, -35.93  |    49.97  |     2.15    |        24 |  
 |  19  |   07/03/2023 |   14:40:24   |    -72.75, 131.41  |   130.01  |   07/03/2023 |   14:40:46   |   -72.74, 131.40  |   130.03  |     1.73    |        22 |  
 |  20  |   07/03/2023 |   15:31:10   |     72.76, -61.30  |    50.01  |   07/03/2023 |   15:31:25   |    72.76, -61.22  |    50.00  |     2.65    |        15 |  
 |  21  |   07/03/2023 |   16:21:54   |    -72.76, 106.03  |   129.99  |   07/03/2023 |   16:22:07   |   -72.76, 106.11  |   130.00  |     2.90    |        13 |  
 |  22  |   07/03/2023 |   17:12:39   |     72.72, -86.58  |    49.97  |   07/03/2023 |   17:12:47   |    72.74, -86.60  |    49.99  |     2.53    |         8 |  
 |  23  |   07/03/2023 |   18:03:23   |    -72.72,  80.74  |   130.04  |   07/03/2023 |   18:03:29   |   -72.74,  80.72  |   130.01  |     2.83    |         6 |  
 |  24  |   07/03/2023 |   18:54:09   |     72.73,-111.97  |    49.98  |   07/03/2023 |   18:54:09   |    72.72,-111.99  |    49.97  |     1.36    |         0 |  
 |  25  |   07/03/2023 |   19:44:53   |    -72.72,  55.35  |   130.02  |   07/03/2023 |   19:44:51   |   -72.72,  55.33  |   130.03  |     0.90    |         2 |  
 |  26  |   07/03/2023 |   20:35:39   |     72.73,-137.36  |    50.00  |   07/03/2023 |   20:35:30   |    72.74,-137.28  |    50.00  |     2.87    |         9 |  
 |  27  |   07/03/2023 |   21:26:23   |    -72.73,  29.96  |   130.01  |   07/03/2023 |   21:26:12   |   -72.74,  30.05  |   130.00  |     3.24    |        11 |  
 |  28  |   07/03/2023 |   22:17:08   |     72.69,-162.64  |    49.95  |   07/03/2023 |   22:16:52   |    72.72,-162.67  |    49.99  |     3.38    |        16 |  
 |  29  |   07/03/2023 |   23:07:53   |    -72.74,   4.57  |   129.99  |   07/03/2023 |   23:07:34   |   -72.72,   4.66  |   130.01  |     3.44    |        19 |  
 |  30  |   07/03/2023 |   23:58:38   |     72.70, 171.97  |    49.97  |   07/03/2023 |   23:58:14   |    72.69, 171.94  |    49.97  |     0.82    |        24 |  
 |  31  |   07/04/2023 |   00:49:22   |    -72.69, -20.71  |   130.04  |   07/04/2023 |   00:48:56   |   -72.70, -20.73  |   130.03  |     0.63    |        26 |  
 |  32  |   07/04/2023 |   01:40:08   |     72.70, 146.58  |    49.98  |   07/04/2023 |   01:39:35   |    72.72, 146.66  |    50.00  |     3.33    |        33 |  
 |  33  |   07/04/2023 |   02:30:52   |    -72.70, -46.10  |   130.02  |   07/04/2023 |   02:30:18   |   -72.67, -46.12  |   130.04  |     3.22    |        34 |  
 |  34  |   07/04/2023 |   03:21:38   |     72.71, 121.19  |    50.00  |   07/04/2023 |   03:20:57   |    72.70, 121.27  |    49.99  |     3.06    |        41 |  
 |  35  |   07/04/2023 |   04:12:22   |    -72.71, -71.49  |   130.01  |   07/04/2023 |   04:11:39   |   -72.70, -71.40  |   130.01  |     3.05    |        43 |  
 |  36  |   07/04/2023 |   05:03:07   |     72.67,  95.90  |    49.95  |   07/04/2023 |   05:02:19   |    72.67,  95.88  |    49.97  |     1.03    |        48 |  
 |  37  |   07/04/2023 |   05:53:51   |    -72.66, -96.77  |   130.05  |   07/04/2023 |   05:53:01   |   -72.68, -96.79  |   130.03  |     1.31    |        50 |  
 |  38  |   07/04/2023 |   06:44:37   |     72.67,  70.52  |    49.97  |   07/04/2023 |   06:43:41   |    72.65,  70.49  |    49.96  |     2.90    |        56 |  
 |  39  |   07/04/2023 |   07:35:21   |    -72.67,-122.16  |   130.04  |   07/04/2023 |   07:34:23   |   -72.65,-122.18  |   130.04  |     2.31    |        58 |  
 |  40  |   07/04/2023 |   08:26:07   |     72.68,  45.13  |    49.98  |   07/04/2023 |   08:25:02   |    72.68,  45.21  |    49.99  |     2.77    |        65 |  
 |  41  |   07/04/2023 |   09:16:50   |    -72.68,-147.55  |   130.02  |   07/04/2023 |   09:15:43   |   -72.68,-147.46  |   130.01  |     2.93    |        67 |  
 |  42  |   07/04/2023 |   10:07:35   |     72.64,  19.84  |    49.94  |   07/04/2023 |   10:06:23   |    72.65,  19.82  |    49.97  |     1.73    |        72 |  
 |  43  |   07/04/2023 |   10:58:19   |    -72.64,-172.84  |   130.06  |   07/04/2023 |   10:57:05   |   -72.65,-172.85  |   130.02  |     2.18    |        74 |  
 |  44  |   07/04/2023 |   11:49:01   |     72.44,  -5.14  |    49.73  |   07/04/2023 |   11:47:49   |    72.42,  -5.98  |    49.78  |    28.37    |        72 |  
 |  45  |   07/04/2023 |   12:39:44   |    -72.39, 162.28  |   130.33  |   07/04/2023 |   12:38:32   |   -72.38, 161.25  |   130.26  |    34.83    |        72 |  
 |  46  |   07/04/2023 |   13:30:25   |     72.14, -29.92  |    49.41  |   07/04/2023 |   13:29:16   |    72.14, -31.87  |    49.55  |    66.22    |        69 |  
 |  47  |   07/04/2023 |   14:21:08   |    -72.09, 137.49  |   130.65  |   07/04/2023 |   14:19:59   |   -72.10, 135.37  |   130.49  |    72.57    |        69 |  
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 7/1/2023 
 Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 07/01/2023 in txt file. 
 Historial Predications of SNOs between NOAA-21 and METOP-B