Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 5 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)
 06/06/2021   15:01:13   ( -77.89, 106.09) 06/06/2021   15:02:17  ( -77.93, 110.00)   91.08                64
 06/06/2021   15:52:07   (  78.28, -84.38) 06/06/2021   15:53:10  (  78.24, -84.36)    4.29                63
 06/06/2021   16:43:03   ( -78.28,  82.88) 06/06/2021   16:43:55  ( -78.25,  82.91)    3.39                52
 06/06/2021   17:34:08   (  78.26,-110.03) 06/06/2021   17:34:41  (  78.28,-109.96)    3.46                33
 06/06/2021   18:25:03   ( -78.29,  57.46) 06/06/2021   18:25:26  ( -78.29,  57.31)    3.48                23
 06/06/2021   19:16:08   (  78.27,-135.45) 06/06/2021   19:16:11  (  78.29,-135.35)    3.06                 3
 06/06/2021   20:07:03   ( -78.30,  32.04) 06/06/2021   20:06:56  ( -78.29,  31.92)    3.01                 7
 06/06/2021   20:58:07   (  78.28,-160.87) 06/06/2021   20:57:40  (  78.29,-160.73)    3.27                27
 06/06/2021   21:49:02   ( -78.32,   6.63) 06/06/2021   21:48:25  ( -78.30,   6.54)    3.16                37
 06/06/2021   22:40:07   (  78.29, 173.70) 06/06/2021   22:39:10  (  78.29, 173.88)    3.98                57
 06/06/2021   23:31:02   ( -78.33, -18.79) 06/06/2021   23:29:55  ( -78.30, -18.85)    3.83                67