Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 8 11.  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   ( -78.04,  92.04) 08/16/2021   16:12:56  ( -78.01,  92.01)    3.99                73
 08/16/2021   17:02:39   (  78.02,-100.79) 08/16/2021   17:03:42  (  78.02,-100.77)    0.35                63
 08/16/2021   17:53:44   ( -78.01,  66.38) 08/16/2021   17:54:27  ( -78.05,  66.41)    3.96                43
 08/16/2021   18:44:39   (  78.03,-126.23) 08/16/2021   18:45:12  (  78.03,-126.16)    1.78                33
 08/16/2021   19:35:43   ( -78.06,  41.16) 08/16/2021   19:35:57  ( -78.05,  41.02)    3.34                14
 08/16/2021   20:26:39   (  78.05,-151.66) 08/16/2021   20:26:42  (  78.03,-151.55)    3.23                 3
 08/16/2021   21:17:43   ( -78.07,  15.72) 08/16/2021   21:17:27  ( -78.05,  15.64)    2.74                16
 08/16/2021   22:08:39   (  78.06,-177.10) 08/16/2021   22:08:13  (  78.07,-177.15)    2.06                26
 08/16/2021   22:59:43   ( -78.08,  -9.72) 08/16/2021   22:58:57  ( -78.06,  -9.75)    2.88                46
 08/16/2021   23:50:39   (  78.07, 157.46) 08/16/2021   23:49:43  (  78.07, 157.47)    0.90                56
 08/17/2021   00:41:43   ( -78.09, -35.16) 08/17/2021   00:40:28  ( -78.10, -35.35)    4.42                75