Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 23.  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   02:14:12   ( -75.83, -49.41) 01/26/2023   02:12:58  ( -75.84, -49.47)    1.76                74
 01/26/2023   03:04:58   (  75.85, 117.85) 01/26/2023   03:03:56  (  75.87, 117.90)    3.15                62
 01/26/2023   03:55:42   ( -75.84, -74.81) 01/26/2023   03:54:57  ( -75.86, -74.89)    3.26                45
 01/26/2023   04:46:28   (  75.86,  92.45) 01/26/2023   04:45:56  (  75.85,  92.32)    3.41                32
 01/26/2023   05:37:13   ( -75.89,-100.36) 01/26/2023   05:36:56  ( -75.88,-100.31)    1.77                17
 01/26/2023   06:27:58   (  75.86,  67.05) 01/26/2023   06:27:55  (  75.87,  66.91)    4.05                 3
 01/26/2023   07:18:43   ( -75.90,-125.76) 01/26/2023   07:18:55  ( -75.90,-125.73)    0.71                12
 01/26/2023   08:09:29   (  75.92,  41.50) 01/26/2023   08:09:54  (  75.89,  41.49)    2.66                25
 01/26/2023   09:00:13   ( -75.91,-151.16) 01/26/2023   09:00:54  ( -75.92,-151.16)    1.80                41
 01/26/2023   09:50:59   (  75.92,  16.10) 01/26/2023   09:51:53  (  75.92,  16.07)    1.41                54
 01/26/2023   10:41:42   ( -75.92,-176.55) 01/26/2023   10:42:52  ( -75.95,-176.58)    3.36                70
 01/26/2023   11:32:36   (  76.30, -10.56) 01/26/2023   11:33:44  (  76.25,  -8.21)   62.51                68