Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 3 15.  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   (  75.23, -10.33) 03/25/2023   11:43:17  (  75.26, -12.12)   50.58                70
 03/25/2023   12:35:17   ( -75.55, 156.02) 03/25/2023   12:34:09  ( -75.54, 156.04)    1.19                68
 03/25/2023   13:26:03   (  75.57, -36.74) 03/25/2023   13:25:09  (  75.55, -36.67)    3.24                54
 03/25/2023   14:16:47   ( -75.56, 130.62) 03/25/2023   14:16:08  ( -75.55, 130.59)    0.98                39
 03/25/2023   15:07:33   (  75.58, -62.14) 03/25/2023   15:07:08  (  75.56, -62.12)    2.17                25
 03/25/2023   15:58:17   ( -75.57, 105.22) 03/25/2023   15:58:07  ( -75.57, 105.14)    2.18                10
 03/25/2023   16:49:03   (  75.59, -87.54) 03/25/2023   16:49:07  (  75.58, -87.57)    1.83                 4
 03/25/2023   17:39:47   ( -75.58,  79.82) 03/25/2023   17:40:06  ( -75.58,  79.69)    3.57                19
 03/25/2023   18:30:33   (  75.60,-112.95) 03/25/2023   18:31:06  (  75.59,-113.03)    2.51                33
 03/25/2023   19:21:18   ( -75.63,  54.27) 03/25/2023   19:22:04  ( -75.64,  54.40)    3.52                46
 03/25/2023   20:12:03   (  75.61,-138.35) 03/25/2023   20:13:05  (  75.60,-138.48)    3.68                62
 03/25/2023   21:02:49   ( -75.69,  28.72) 03/25/2023   21:04:03  ( -75.65,  28.95)    7.25                74