Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 26.  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)
 01/30/2021   08:47:02   (  78.65,  19.36) 01/30/2021   08:48:14  (  78.66,  19.51)    3.43                72
 01/30/2021   09:37:57   ( -78.69,-173.14) 01/30/2021   09:38:59  ( -78.67,-173.25)    2.63                62
 01/30/2021   10:29:02   (  78.67,  -6.03) 01/30/2021   10:29:44  (  78.67,  -5.89)    3.20                42
 01/30/2021   11:19:58   ( -78.67, 161.22) 01/30/2021   11:20:29  ( -78.68, 161.36)    3.18                31
 01/30/2021   12:11:02   (  78.68, -31.43) 01/30/2021   12:11:15  (  78.71, -31.52)    3.37                13
 01/30/2021   13:01:58   ( -78.68, 135.83) 01/30/2021   13:01:59  ( -78.68, 135.96)    2.81                 1
 01/30/2021   13:53:02   (  78.70, -56.82) 01/30/2021   13:52:45  (  78.71, -56.92)    2.61                17
 01/30/2021   14:43:58   ( -78.70, 110.44) 01/30/2021   14:43:29  ( -78.69, 110.56)    2.99                29
 01/30/2021   15:35:02   (  78.71, -82.21) 01/30/2021   15:34:15  (  78.72, -82.32)    2.31                47
 01/30/2021   16:25:58   ( -78.71,  85.05) 01/30/2021   16:25:00  ( -78.73,  84.93)    3.03                58
 01/30/2021   17:16:59   (  78.83,-106.85) 01/30/2021   17:15:48  (  78.83,-108.43)   34.03                71