Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 1 20.  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, -49.39) 01/26/2023   02:12:58  ( -75.85, -49.45)    2.65                74
 01/26/2023   03:04:58   (  75.85, 117.86) 01/26/2023   03:03:57  (  75.83, 117.76)    3.18                61
 01/26/2023   03:55:43   ( -75.88, -74.94) 01/26/2023   03:54:57  ( -75.87, -74.87)    2.42                46
 01/26/2023   04:46:28   (  75.85,  92.46) 01/26/2023   04:45:56  (  75.85,  92.34)    3.42                32
 01/26/2023   05:37:13   ( -75.89,-100.34) 01/26/2023   05:36:56  ( -75.89,-100.29)    1.26                17
 01/26/2023   06:27:59   (  75.91,  66.91) 01/26/2023   06:27:55  (  75.88,  66.92)    3.45                 4
 01/26/2023   07:18:42   ( -75.90,-125.74) 01/26/2023   07:18:54  ( -75.91,-125.71)    1.66                12
 01/26/2023   08:09:28   (  75.91,  41.51) 01/26/2023   08:09:53  (  75.90,  41.50)    1.92                25
 01/26/2023   09:00:12   ( -75.90,-151.13) 01/26/2023   09:00:53  ( -75.93,-151.14)    3.05                41
 01/26/2023   09:50:58   (  75.92,  16.12) 01/26/2023   09:51:52  (  75.92,  16.08)    1.04                54
 01/26/2023   10:41:43   ( -75.96,-176.69) 01/26/2023   10:42:52  ( -75.95,-176.56)    3.49                69
 01/26/2023   11:32:36   (  76.29, -10.55) 01/26/2023   11:33:44  (  76.25,  -8.19)   62.35                68