Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 2 3.  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, 152.27) 02/13/2021   11:58:31  ( -78.61, 152.26)    3.79                71
 02/13/2021   12:48:22   (  78.63, -40.56) 02/13/2021   12:49:17  (  78.64, -40.62)    1.53                55
 02/13/2021   13:39:21   ( -78.62, 126.63) 02/13/2021   13:40:02  ( -78.65, 126.63)    3.00                41
 02/13/2021   14:30:22   (  78.65, -65.96) 02/13/2021   14:30:47  (  78.64, -66.02)    1.41                25
 02/13/2021   15:21:21   ( -78.64, 101.24) 02/13/2021   15:21:32  ( -78.65, 101.23)    1.77                11
 02/13/2021   16:12:22   (  78.66, -91.35) 02/13/2021   16:12:17  (  78.65, -91.42)    2.10                 5
 02/13/2021   17:03:21   ( -78.65,  75.85) 02/13/2021   17:03:02  ( -78.66,  75.83)    0.62                19
 02/13/2021   17:54:22   (  78.68,-116.75) 02/13/2021   17:53:47  (  78.65,-116.82)    3.10                35
 02/13/2021   18:45:20   ( -78.67,  50.45) 02/13/2021   18:44:31  ( -78.66,  50.43)    0.84                49
 02/13/2021   19:36:22   (  78.66,-142.39) 02/13/2021   19:35:16  (  78.66,-142.22)    3.76                66
 02/13/2021   20:27:15   ( -78.85,  26.30) 02/13/2021   20:26:06  ( -78.85,  23.85)   52.77                69