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: 1/17/2023
  | 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  |   01/29/2023 |   01:16:17   |    -73.58, -28.94  |    88.07  |   01/29/2023 |   01:17:23   |   -73.51, -25.81  |    88.32  |    99.13    |        66 |  
 |  2  |   01/29/2023 |   02:06:59   |     73.39, 138.79  |    91.72  |   01/29/2023 |   02:08:06   |    73.34, 141.13  |    91.52  |    74.94    |        67 |  
 |  3  |   01/29/2023 |   02:57:41   |    -73.29, -53.66  |    88.41  |   01/29/2023 |   02:58:50   |   -73.24, -51.76  |    88.58  |    61.09    |        69 |  
 |  4  |   01/29/2023 |   03:48:22   |     73.05, 114.17  |    91.32  |   01/29/2023 |   03:49:34   |    73.01, 115.08  |    91.21  |    29.87    |        72 |  
 |  5  |   01/29/2023 |   04:39:05   |    -73.00, -78.40  |    88.75  |   01/29/2023 |   04:40:18   |   -72.91, -77.80  |    88.89  |    21.41    |        73 |  
 |  6  |   01/29/2023 |   05:29:47   |     72.81,  89.31  |    91.03  |   01/29/2023 |   05:31:00   |    72.78,  89.26  |    91.00  |     3.04    |        73 |  
 |  7  |   01/29/2023 |   06:20:31   |    -72.80,-103.36  |    88.99  |   01/29/2023 |   06:21:42   |   -72.79,-103.40  |    89.01  |     2.01    |        71 |  
 |  8  |   01/29/2023 |   07:11:17   |     72.81,  63.92  |    91.02  |   01/29/2023 |   07:12:21   |    72.81,  63.98  |    91.00  |     1.88    |        64 |  
 |  9  |   01/29/2023 |   08:02:01   |    -72.81,-128.75  |    89.00  |   01/29/2023 |   08:03:03   |   -72.81,-128.69  |    89.01  |     2.24    |        62 |  
 |  10  |   01/29/2023 |   08:52:46   |     72.77,  38.63  |    90.96  |   01/29/2023 |   08:53:43   |    72.79,  38.59  |    90.96  |     2.24    |        57 |  
 |  11  |   01/29/2023 |   09:43:30   |    -72.77,-154.04  |    89.06  |   01/29/2023 |   09:44:25   |   -72.79,-154.08  |    89.05  |     2.88    |        55 |  
 |  12  |   01/29/2023 |   10:34:16   |     72.78,  13.24  |    90.95  |   01/29/2023 |   10:35:05   |    72.76,  13.20  |    90.92  |     2.57    |        49 |  
 |  13  |   01/29/2023 |   11:25:00   |    -72.78,-179.43  |    89.07  |   01/29/2023 |   11:25:47   |   -72.77,-179.47  |    89.09  |     1.53    |        47 |  
 |  14  |   01/29/2023 |   12:15:46   |     72.79, -12.15  |    90.94  |   01/29/2023 |   12:16:26   |    72.79, -12.09  |    90.93  |     1.98    |        40 |  
 |  15  |   01/29/2023 |   13:06:30   |    -72.78, 155.18  |    89.08  |   01/29/2023 |   13:07:08   |   -72.79, 155.25  |    89.08  |     2.58    |        38 |  
 |  16  |   01/29/2023 |   13:57:15   |     72.75, -37.44  |    90.87  |   01/29/2023 |   13:57:48   |    72.76, -37.48  |    90.89  |     2.46    |        33 |  
 |  17  |   01/29/2023 |   14:47:59   |    -72.74, 129.89  |    89.15  |   01/29/2023 |   14:48:30   |   -72.77, 129.86  |    89.12  |     3.27    |        31 |  
 |  18  |   01/29/2023 |   15:38:44   |     72.75, -62.83  |    90.86  |   01/29/2023 |   15:39:09   |    72.74, -62.87  |    90.85  |     2.13    |        25 |  
 |  19  |   01/29/2023 |   16:29:28   |    -72.75, 104.50  |    89.16  |   01/29/2023 |   16:29:51   |   -72.75, 104.47  |    89.16  |     1.10    |        23 |  
 |  20  |   01/29/2023 |   17:20:14   |     72.76, -88.22  |    90.85  |   01/29/2023 |   17:20:30   |    72.77, -88.15  |    90.85  |     2.19    |        16 |  
 |  21  |   01/29/2023 |   18:10:58   |    -72.76,  79.11  |    89.17  |   01/29/2023 |   18:11:12   |   -72.77,  79.18  |    89.16  |     2.97    |        14 |  
 |  22  |   01/29/2023 |   19:01:43   |     72.72,-113.50  |    90.79  |   01/29/2023 |   19:01:52   |    72.74,-113.54  |    90.81  |     2.73    |         9 |  
 |  23  |   01/29/2023 |   19:52:28   |    -72.77,  53.72  |    89.18  |   01/29/2023 |   19:52:34   |   -72.75,  53.79  |    89.20  |     3.32    |         6 |  
 |  24  |   01/29/2023 |   20:43:13   |     72.73,-138.90  |    90.78  |   01/29/2023 |   20:43:14   |    72.72,-138.93  |    90.77  |     1.70    |         1 |  
 |  25  |   01/29/2023 |   21:33:57   |    -72.72,  28.43  |    89.24  |   01/29/2023 |   21:33:56   |   -72.72,  28.41  |    89.24  |     0.78    |         1 |  
 |  26  |   01/29/2023 |   22:24:43   |     72.74,-164.29  |    90.77  |   01/29/2023 |   22:24:35   |    72.74,-164.22  |    90.77  |     2.47    |         8 |  
 |  27  |   01/29/2023 |   23:15:27   |    -72.73,   3.04  |    89.25  |   01/29/2023 |   23:15:17   |   -72.75,   3.12  |    89.24  |     3.39    |        10 |  
 |  28  |   01/30/2023 |   00:06:12   |     72.69, 170.43  |    90.70  |   01/30/2023 |   00:05:57   |    72.72, 170.39  |    90.73  |     3.03    |        15 |  
 |  29  |   01/30/2023 |   00:56:57   |    -72.74, -22.35  |    89.26  |   01/30/2023 |   00:56:39   |   -72.73, -22.27  |    89.28  |     3.23    |        18 |  
 |  30  |   01/30/2023 |   01:47:42   |     72.70, 145.03  |    90.69  |   01/30/2023 |   01:47:19   |    72.70, 145.00  |    90.69  |     1.29    |        23 |  
 |  31  |   01/30/2023 |   02:38:26   |    -72.70, -47.64  |    89.33  |   01/30/2023 |   02:38:01   |   -72.70, -47.66  |    89.32  |     0.71    |        25 |  
 |  32  |   01/30/2023 |   03:29:12   |     72.71, 119.64  |    90.68  |   01/30/2023 |   03:28:40   |    72.72, 119.72  |    90.70  |     2.79    |        32 |  
 |  33  |   01/30/2023 |   04:19:56   |    -72.71, -73.03  |    89.34  |   01/30/2023 |   04:19:23   |   -72.68, -73.05  |    89.36  |     3.23    |        33 |  
 |  34  |   01/30/2023 |   05:10:41   |     72.67,  94.35  |    90.62  |   01/30/2023 |   05:10:02   |    72.70,  94.33  |    90.66  |     3.34    |        39 |  
 |  35  |   01/30/2023 |   06:01:26   |    -72.71, -98.42  |    89.35  |   01/30/2023 |   06:00:44   |   -72.70, -98.33  |    89.35  |     3.23    |        42 |  
 |  36  |   01/30/2023 |   06:52:11   |     72.68,  68.96  |    90.61  |   01/30/2023 |   06:51:24   |    72.67,  68.94  |    90.62  |     0.92    |        47 |  
 |  37  |   01/30/2023 |   07:42:55   |    -72.67,-123.71  |    89.41  |   01/30/2023 |   07:42:06   |   -72.68,-123.72  |    89.39  |     0.92    |        49 |  
 |  38  |   01/30/2023 |   08:33:41   |     72.69,  43.57  |    90.60  |   01/30/2023 |   08:32:45   |    72.70,  43.65  |    90.62  |     3.14    |        56 |  
 |  39  |   01/30/2023 |   09:24:25   |    -72.68,-149.10  |    89.42  |   01/30/2023 |   09:23:28   |   -72.66,-149.11  |    89.43  |     2.79    |        57 |  
 |  40  |   01/30/2023 |   10:15:11   |     72.69,  18.18  |    90.59  |   01/30/2023 |   10:14:07   |    72.67,  18.26  |    90.58  |     3.46    |        64 |  
 |  41  |   01/30/2023 |   11:05:55   |    -72.69,-174.49  |    89.43  |   01/30/2023 |   11:04:49   |   -72.68,-174.40  |    89.43  |     3.32    |        66 |  
 |  42  |   01/30/2023 |   11:56:40   |     72.65,  -7.11  |    90.52  |   01/30/2023 |   11:55:29   |    72.65,  -7.13  |    90.54  |     0.61    |        71 |  
 |  43  |   01/30/2023 |   12:47:24   |    -72.65, 160.22  |    89.50  |   01/30/2023 |   12:46:11   |   -72.66, 160.21  |    89.47  |     1.27    |        73 |  
 |  44  |   01/30/2023 |   13:38:07   |     72.51, -32.19  |    90.35  |   01/30/2023 |   13:36:54   |    72.47, -32.82  |    90.37  |    21.57    |        73 |  
 |  45  |   01/30/2023 |   14:28:50   |    -72.45, 135.24  |    89.73  |   01/30/2023 |   14:27:37   |   -72.43, 134.42  |    89.69  |    27.65    |        73 |  
 |  46  |   01/30/2023 |   15:19:31   |     72.21, -56.98  |    90.00  |   01/30/2023 |   15:18:21   |    72.19, -58.72  |    90.10  |    59.16    |        70 |  
 |  47  |   01/30/2023 |   16:10:13   |    -72.10, 110.54  |    90.13  |   01/30/2023 |   16:09:04   |   -72.15, 108.53  |    89.95  |    68.90    |        69 |  
Figure of NOAA-21 and METOP-B satellite orbits during SNOs since TLE Epoch: 1/17/2023 
 Download SNOs between NOAA-21 and METOP-B since TLE EPOCH: 01/17/2023 in txt file. 
 Historial Predications of SNOs between NOAA-21 and METOP-B