Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 6 26.  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)
 07/06/2023   12:53:05   (  74.42, -25.50) 07/06/2023   12:51:59  (  74.44, -28.59)   92.30                66
 07/06/2023   13:43:59   ( -74.88, 140.56) 07/06/2023   13:42:45  ( -74.87, 139.93)   18.19                74
 07/06/2023   14:34:47   (  75.01, -52.48) 07/06/2023   14:33:46  (  75.00, -52.44)    1.18                61
 07/06/2023   15:25:31   ( -74.99, 114.89) 07/06/2023   15:24:41  ( -75.01, 114.86)    3.03                50
 07/06/2023   16:16:17   (  75.01, -77.87) 07/06/2023   16:15:45  (  75.00, -77.93)    1.92                32
 07/06/2023   17:07:02   ( -75.04,  89.36) 07/06/2023   17:06:40  ( -75.01,  89.37)    3.16                22
 07/06/2023   17:57:47   (  75.02,-103.27) 07/06/2023   17:57:43  (  75.05,-103.28)    3.44                 4
 07/06/2023   18:48:32   ( -75.05,  63.97) 07/06/2023   18:48:38  ( -75.06,  64.02)    1.93                 6
 07/06/2023   19:39:18   (  75.08,-128.80) 07/06/2023   19:39:42  (  75.05,-128.77)    2.77                24
 07/06/2023   20:30:02   ( -75.06,  38.57) 07/06/2023   20:30:37  ( -75.06,  38.53)    1.43                35
 07/06/2023   21:20:48   (  75.08,-154.19) 07/06/2023   21:21:40  (  75.10,-154.12)    2.74                52
 07/06/2023   22:11:33   ( -75.11,  13.04) 07/06/2023   22:12:35  ( -75.11,  13.18)    3.92                62
 07/06/2023   23:02:24   (  75.37, 179.57) 07/06/2023   23:03:34  (  75.33,-178.88)   43.91                70