Simultaneous Nadir Overpasses (SNOs) between NOAA-20 and NOAA-19
TLE Epoch: 2021 6 15.  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)
 06/27/2021   23:36:49   (  77.89, 161.61) 06/27/2021   23:35:43  (  77.90, 158.31)   76.86                66
 06/28/2021   00:27:41   ( -78.19, -32.60) 06/28/2021   00:26:35  ( -78.22, -32.57)    3.56                66
 06/28/2021   01:18:27   (  78.22, 134.52) 06/28/2021   01:17:35  (  78.21, 134.66)    3.26                52
 06/28/2021   02:09:12   ( -78.23, -58.22) 06/28/2021   02:08:36  ( -78.19, -58.21)    4.10                36
 06/28/2021   02:59:57   (  78.22, 109.13) 06/28/2021   02:59:35  (  78.22, 109.23)    2.42                22
 06/28/2021   03:50:42   ( -78.23, -83.61) 06/28/2021   03:50:36  ( -78.20, -83.64)    3.24                 6
 06/28/2021   04:41:27   (  78.23,  83.73) 06/28/2021   04:41:35  (  78.24,  83.81)    1.91                 8
 06/28/2021   05:32:12   ( -78.24,-109.01) 06/28/2021   05:32:36  ( -78.22,-109.06)    2.61                24
 06/28/2021   06:22:57   (  78.23,  58.34) 06/28/2021   06:23:35  (  78.25,  58.38)    2.00                38
 06/28/2021   07:13:42   ( -78.24,-134.40) 06/28/2021   07:14:36  ( -78.23,-134.49)    2.40                54
 06/28/2021   08:04:27   (  78.24,  32.94) 06/28/2021   08:05:35  (  78.26,  32.95)    2.62                68