Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 2 4.  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)
 02/13/2021   11:57:20   ( -78.64, 152.26) 02/13/2021   11:58:31  ( -78.61, 152.23)    3.21                71
 02/13/2021   12:48:22   (  78.63, -40.56) 02/13/2021   12:49:17  (  78.64, -40.65)    2.43                55
 02/13/2021   13:39:21   ( -78.62, 126.63) 02/13/2021   13:40:02  ( -78.66, 126.59)    3.75                41
 02/13/2021   14:30:22   (  78.65, -65.96) 02/13/2021   14:30:47  (  78.65, -66.05)    2.12                25
 02/13/2021   15:21:21   ( -78.64, 101.24) 02/13/2021   15:21:32  ( -78.66, 101.20)    2.59                11
 02/13/2021   16:12:22   (  78.66, -91.35) 02/13/2021   16:12:17  (  78.65, -91.45)    2.41                 5
 02/13/2021   17:03:21   ( -78.65,  75.84) 02/13/2021   17:03:02  ( -78.66,  75.80)    1.59                19
 02/13/2021   17:54:22   (  78.68,-116.75) 02/13/2021   17:53:47  (  78.66,-116.85)    3.16                35
 02/13/2021   18:45:21   ( -78.67,  50.45) 02/13/2021   18:44:32  ( -78.67,  50.40)    1.21                49
 02/13/2021   19:36:23   (  78.66,-142.39) 02/13/2021   19:35:17  (  78.66,-142.25)    3.03                66