Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 4 8.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-20) NOAA-20 Lat/Lon Date Time(NOAA-19) NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 04/18/2021   03:31:19   (  78.10, 102.07) 04/18/2021   03:30:15  (  78.10,  98.07)   91.94                64
 04/18/2021   04:22:12   ( -78.43, -92.47) 04/18/2021   04:21:09  ( -78.43, -92.60)    2.96                63
 04/18/2021   05:12:58   (  78.45,  74.71) 04/18/2021   05:12:06  (  78.44,  74.72)    1.75                52
 04/18/2021   06:03:42   ( -78.44,-117.86) 04/18/2021   06:03:09  ( -78.44,-118.01)    3.52                33
 04/18/2021   06:54:28   (  78.46,  49.32) 04/18/2021   06:54:06  (  78.45,  49.31)    0.48                22
 04/18/2021   07:45:13   ( -78.48,-143.47) 04/18/2021   07:45:09  ( -78.46,-143.42)    2.38                 4
 04/18/2021   08:35:58   (  78.46,  23.93) 04/18/2021   08:36:06  (  78.47,  23.91)    0.99                 8
 04/18/2021   09:26:43   ( -78.48,-168.86) 04/18/2021   09:27:09  ( -78.47,-168.83)    1.13                26
 04/18/2021   10:17:27   (  78.46,  -1.46) 04/18/2021   10:18:05  (  78.48,  -1.50)    2.30                38
 04/18/2021   11:08:12   ( -78.48, 165.75) 04/18/2021   11:09:08  ( -78.48, 165.76)    0.55                56
 04/18/2021   11:58:57   (  78.46, -26.85) 04/18/2021   12:00:05  (  78.50, -26.90)    3.62                68