Simultaneous Nadir Overpasses (SNOs) between NOAA-21 and NOAA-19
TLE Epoch: 2023 3 19.  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   (  75.24, -10.34) 03/25/2023   11:43:17  (  75.27, -12.12)   50.39                70
 03/25/2023   12:35:18   ( -75.56, 156.00) 03/25/2023   12:34:10  ( -75.54, 156.03)    2.05                68
 03/25/2023   13:26:04   (  75.57, -36.75) 03/25/2023   13:25:10  (  75.55, -36.67)    3.23                54
 03/25/2023   14:16:48   ( -75.56, 130.60) 03/25/2023   14:16:09  ( -75.55, 130.58)    1.37                39
 03/25/2023   15:07:34   (  75.58, -62.15) 03/25/2023   15:07:09  (  75.57, -62.12)    1.98                25
 03/25/2023   15:58:18   ( -75.57, 105.20) 03/25/2023   15:58:08  ( -75.57, 105.13)    2.00                10
 03/25/2023   16:49:04   (  75.59, -87.55) 03/25/2023   16:49:08  (  75.58, -87.57)    1.41                 4
 03/25/2023   17:39:48   ( -75.58,  79.80) 03/25/2023   17:40:07  ( -75.58,  79.69)    3.24                19
 03/25/2023   18:30:34   (  75.60,-112.95) 03/25/2023   18:31:07  (  75.59,-113.02)    2.13                33
 03/25/2023   19:21:19   ( -75.63,  54.25) 03/25/2023   19:22:05  ( -75.64,  54.39)    3.73                46
 03/25/2023   20:12:04   (  75.61,-138.35) 03/25/2023   20:13:06  (  75.61,-138.47)    3.39                62
 03/25/2023   21:02:50   ( -75.69,  28.71) 03/25/2023   21:04:04  ( -75.65,  28.94)    7.71                74