Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 8 12.  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)
 08/16/2021   16:11:43   ( -78.03,  92.00) 08/16/2021   16:12:56  ( -78.01,  91.97)    2.28                73
 08/16/2021   17:02:39   (  78.02,-100.83) 08/16/2021   17:03:42  (  78.03,-100.81)    1.54                63
 08/16/2021   17:53:43   ( -78.04,  66.56) 08/16/2021   17:54:26  ( -78.02,  66.58)    3.05                43
 08/16/2021   18:44:39   (  78.03,-126.27) 08/16/2021   18:45:12  (  78.03,-126.20)    1.69                33
 08/16/2021   19:35:43   ( -78.05,  41.12) 08/16/2021   19:35:57  ( -78.06,  40.98)    3.14                14
 08/16/2021   20:26:39   (  78.04,-151.70) 08/16/2021   20:26:42  (  78.04,-151.58)    2.75                 3
 08/16/2021   21:17:43   ( -78.06,  15.68) 08/16/2021   21:17:27  ( -78.06,  15.60)    1.86                16
 08/16/2021   22:08:39   (  78.05,-177.14) 08/16/2021   22:08:13  (  78.08,-177.18)    3.47                26
 08/16/2021   22:59:43   ( -78.07,  -9.76) 08/16/2021   22:58:57  ( -78.06,  -9.79)    1.22                46
 08/16/2021   23:50:39   (  78.06, 157.42) 08/16/2021   23:49:43  (  78.08, 157.43)    2.46                56
 08/17/2021   00:41:43   ( -78.08, -35.20) 08/17/2021   00:40:28  ( -78.11, -35.39)    4.99                75