Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 1 20.  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   (  78.67,  19.50) 01/30/2021   08:48:14  (  78.65,  19.58)    2.96                72
 01/30/2021   09:37:58   ( -78.67,-173.23) 01/30/2021   09:38:59  ( -78.66,-173.15)    2.41                61
 01/30/2021   10:29:02   (  78.69,  -5.89) 01/30/2021   10:29:45  (  78.69,  -6.05)    3.53                43
 01/30/2021   11:19:58   ( -78.69, 161.38) 01/30/2021   11:20:29  ( -78.66, 161.45)    3.36                31
 01/30/2021   12:11:03   (  78.67, -31.53) 01/30/2021   12:11:15  (  78.70, -31.45)    3.61                12
 01/30/2021   13:01:58   ( -78.70, 135.99) 01/30/2021   13:02:00  ( -78.70, 135.82)    3.74                 2
 01/30/2021   13:53:03   (  78.68, -56.92) 01/30/2021   13:52:45  (  78.70, -56.85)    2.50                18
 01/30/2021   14:43:59   ( -78.69, 110.36) 01/30/2021   14:43:30  ( -78.71, 110.42)    2.82                29
 01/30/2021   15:35:03   (  78.70, -82.32) 01/30/2021   15:34:15  (  78.71, -82.25)    1.61                48
 01/30/2021   16:25:59   ( -78.70,  84.97) 01/30/2021   16:25:00  ( -78.71,  85.03)    1.71                59
 01/30/2021   17:16:59   (  78.85,-106.70) 01/30/2021   17:15:48  (  78.82,-108.36)   35.83                71