Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 25.  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   02:14:11   ( -75.82, -49.38) 01/26/2023   02:12:57  ( -75.85, -49.43)    3.43                74
 01/26/2023   03:04:57   (  75.84, 117.88) 01/26/2023   03:03:56  (  75.84, 117.79)    2.62                61
 01/26/2023   03:55:42   ( -75.88, -74.93) 01/26/2023   03:54:56  ( -75.87, -74.85)    2.28                46
 01/26/2023   04:46:28   (  75.89,  92.33) 01/26/2023   04:45:55  (  75.86,  92.37)    3.25                33
 01/26/2023   05:37:12   ( -75.89,-100.33) 01/26/2023   05:36:55  ( -75.89,-100.27)    1.92                17
 01/26/2023   06:27:58   (  75.90,  66.93) 01/26/2023   06:27:54  (  75.89,  66.95)    1.57                 4
 01/26/2023   07:18:42   ( -75.89,-125.73) 01/26/2023   07:18:54  ( -75.92,-125.69)    2.75                12
 01/26/2023   08:09:28   (  75.91,  41.54) 01/26/2023   08:09:53  (  75.91,  41.53)    0.16                25
 01/26/2023   09:00:12   ( -75.90,-151.13) 01/26/2023   09:00:53  ( -75.94,-151.12)    4.10                41
 01/26/2023   09:50:58   (  75.91,  16.14) 01/26/2023   09:51:52  (  75.93,  16.11)    1.79                54
 01/26/2023   10:41:43   ( -75.95,-176.68) 01/26/2023   10:42:52  ( -75.96,-176.54)    3.83                69
 01/26/2023   11:32:36   (  76.29, -10.52) 01/26/2023   11:33:44  (  76.26,  -8.16)   62.53                68