Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 3 16.  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)
 03/25/2023   11:44:27   (  75.25, -10.39) 03/25/2023   11:43:17  (  75.24, -12.20)   51.53                70
 03/25/2023   12:35:18   ( -75.57, 155.97) 03/25/2023   12:34:09  ( -75.56, 156.10)    3.91                69
 03/25/2023   13:26:03   (  75.54, -36.65) 03/25/2023   13:25:09  (  75.57, -36.61)    3.09                54
 03/25/2023   14:16:48   ( -75.58, 130.57) 03/25/2023   14:16:08  ( -75.57, 130.65)    2.45                40
 03/25/2023   15:07:33   (  75.55, -62.05) 03/25/2023   15:07:08  (  75.58, -62.06)    3.32                25
 03/25/2023   15:58:18   ( -75.58, 105.17) 03/25/2023   15:58:07  ( -75.58, 105.20)    1.02                11
 03/25/2023   16:49:04   (  75.61, -87.60) 03/25/2023   16:49:07  (  75.60, -87.51)    2.82                 3
 03/25/2023   17:39:48   ( -75.59,  79.76) 03/25/2023   17:40:06  ( -75.60,  79.75)    0.61                18
 03/25/2023   18:30:34   (  75.62,-113.00) 03/25/2023   18:31:06  (  75.61,-112.96)    1.42                32
 03/25/2023   19:21:18   ( -75.60,  54.36) 03/25/2023   19:22:05  ( -75.61,  54.30)    1.99                47
 03/25/2023   20:12:04   (  75.63,-138.40) 03/25/2023   20:13:05  (  75.62,-138.42)    0.72                61
 03/25/2023   21:02:49   ( -75.66,  28.81) 03/25/2023   21:04:04  ( -75.62,  28.85)    3.76                75