Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 3 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)
 03/25/2023   11:44:27   (  75.26, -10.40) 03/25/2023   11:43:17  (  75.24, -12.19)   50.57                70
 03/25/2023   12:35:17   ( -75.53, 156.07) 03/25/2023   12:34:09  ( -75.56, 156.10)    2.90                68
 03/25/2023   13:26:03   (  75.55, -36.67) 03/25/2023   13:25:10  (  75.53, -36.74)    2.70                53
 03/25/2023   14:16:47   ( -75.54, 130.67) 03/25/2023   14:16:08  ( -75.57, 130.65)    3.41                39
 03/25/2023   15:07:33   (  75.56, -62.07) 03/25/2023   15:07:09  (  75.55, -62.19)    3.74                24
 03/25/2023   15:58:18   ( -75.60, 105.12) 03/25/2023   15:58:07  ( -75.59, 105.20)    2.47                11
 03/25/2023   16:49:04   (  75.61, -87.62) 03/25/2023   16:49:07  (  75.60, -87.49)    3.51                 3
 03/25/2023   17:39:48   ( -75.61,  79.72) 03/25/2023   17:40:06  ( -75.60,  79.75)    1.06                18
 03/25/2023   18:30:34   (  75.62,-113.02) 03/25/2023   18:31:06  (  75.62,-112.94)    2.04                32
 03/25/2023   19:21:18   ( -75.61,  54.32) 03/25/2023   19:22:05  ( -75.61,  54.30)    0.60                47
 03/25/2023   20:12:04   (  75.63,-138.42) 03/25/2023   20:13:05  (  75.63,-138.40)    0.59                61
 03/25/2023   21:02:49   ( -75.67,  28.77) 03/25/2023   21:04:04  ( -75.63,  28.85)    5.28                75