Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 6 10.  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)
 06/13/2021   19:35:53   (  78.23,-139.88) 06/13/2021   19:34:38  (  78.24,-140.01)    2.96                75
 06/13/2021   20:26:38   ( -78.25,  27.34) 06/13/2021   20:25:35  ( -78.23,  27.24)    2.85                63
 06/13/2021   21:17:24   (  78.28,-165.49) 06/13/2021   21:16:38  (  78.25,-165.43)    3.25                46
 06/13/2021   22:08:08   ( -78.25,   1.94) 06/13/2021   22:07:35  ( -78.25,   1.82)    3.00                33
 06/13/2021   22:58:54   (  78.28, 169.11) 06/13/2021   22:58:38  (  78.26, 169.14)    2.12                16
 06/13/2021   23:49:38   ( -78.26, -23.45) 06/13/2021   23:49:35  ( -78.26, -23.61)    3.55                 3
 06/14/2021   00:40:24   (  78.28, 143.72) 06/14/2021   00:40:38  (  78.27, 143.72)    1.08                14
 06/14/2021   01:31:09   ( -78.30, -49.06) 06/14/2021   01:31:35  ( -78.27, -49.03)    3.18                26
 06/14/2021   02:21:54   (  78.29, 118.32) 06/14/2021   02:22:38  (  78.28, 118.29)    0.69                44
 06/14/2021   03:12:39   ( -78.30, -74.45) 06/14/2021   03:13:35  ( -78.28, -74.45)    2.10                56
 06/14/2021   04:03:24   (  78.29,  92.93) 06/14/2021   04:04:38  (  78.30,  92.87)    1.57                74