Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-21) NOAA-21 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 01/26/2023   02:14:13   ( -75.85, -49.48) 01/26/2023   02:12:59  ( -75.84, -49.49)    2.10                74
 01/26/2023   03:04:58   (  75.83, 117.90) 01/26/2023   03:03:57  (  75.86, 117.86)    3.41                61
 01/26/2023   03:55:43   ( -75.86, -74.88) 01/26/2023   03:54:58  ( -75.86, -74.91)    1.05                45
 01/26/2023   04:46:29   (  75.89,  92.35) 01/26/2023   04:45:56  (  75.88,  92.44)    2.37                33
 01/26/2023   05:37:13   ( -75.87,-100.27) 01/26/2023   05:36:57  ( -75.88,-100.33)    1.91                16
 01/26/2023   06:27:59   (  75.89,  66.96) 01/26/2023   06:27:55  (  75.90,  67.02)    2.23                 4
 01/26/2023   07:18:44   ( -75.92,-125.82) 01/26/2023   07:18:56  ( -75.90,-125.75)    3.14                12
 01/26/2023   08:09:29   (  75.90,  41.56) 01/26/2023   08:09:54  (  75.93,  41.61)    3.22                25
 01/26/2023   09:00:14   ( -75.93,-151.22) 01/26/2023   09:00:55  ( -75.92,-151.17)    1.59                41
 01/26/2023   09:50:59   (  75.91,  16.16) 01/26/2023   09:51:54  (  75.90,  16.03)    3.65                55
 01/26/2023   10:41:44   ( -75.93,-176.62) 01/26/2023   10:42:54  ( -75.94,-176.59)    0.95                70
 01/26/2023   11:32:37   (  76.28, -10.50) 01/26/2023   11:33:45  (  76.28,  -8.08)   63.85                68