Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 13.  Predictions up to the next  14.0 days:

     Date     Time(NOAA-19) NOAA-19 Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2021   05:36:44   ( -78.38,-115.43) 01/16/2021   05:37:48  ( -78.41,-111.37)   90.84                64
 01/16/2021   06:27:39   (  78.73,  54.20) 01/16/2021   06:28:41  (  78.70,  54.16)    3.29                62
 01/16/2021   07:18:35   ( -78.71,-138.66) 01/16/2021   07:19:26  ( -78.72,-138.60)    1.43                51
 01/16/2021   08:09:40   (  78.71,  28.56) 01/16/2021   08:10:12  (  78.75,  28.53)    3.56                32
 01/16/2021   09:00:35   ( -78.73,-164.05) 01/16/2021   09:00:56  ( -78.72,-164.00)    1.69                21
 01/16/2021   09:51:40   (  78.73,   3.17) 01/16/2021   09:51:42  (  78.75,   3.13)    2.37                 2
 01/16/2021   10:42:35   ( -78.74, 170.56) 01/16/2021   10:42:26  ( -78.72, 170.61)    2.64                 9
 01/16/2021   11:33:40   (  78.74, -22.21) 01/16/2021   11:33:12  (  78.75, -22.27)    1.41                28
 01/16/2021   12:24:35   ( -78.76, 145.17) 01/16/2021   12:23:56  ( -78.73, 145.21)    3.79                39
 01/16/2021   13:15:40   (  78.76, -47.60) 01/16/2021   13:14:42  (  78.76, -47.66)    1.35                58
 01/16/2021   14:06:36   ( -78.74, 119.53) 01/16/2021   14:05:27  ( -78.77, 119.58)    3.14                69