Simultaneous Nadir Overpasses (SNOs) between NOAA-19 and NPP
TLE Epoch: 2021 8 16.  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,  92.00)    3.84                73
 08/16/2021   17:02:39   (  78.03,-100.77) 08/16/2021   17:03:42  (  78.02,-100.76)    0.82                63
 08/16/2021   17:53:44   ( -78.01,  66.38) 08/16/2021   17:54:27  ( -78.05,  66.41)    4.12                43
 08/16/2021   18:44:39   (  78.04,-126.20) 08/16/2021   18:45:12  (  78.02,-126.14)    2.17                33
 08/16/2021   19:35:43   ( -78.06,  41.16) 08/16/2021   19:35:57  ( -78.05,  41.02)    3.41                14
 08/16/2021   20:26:39   (  78.05,-151.64) 08/16/2021   20:26:43  (  78.07,-151.74)    3.03                 4
 08/16/2021   21:17:43   ( -78.07,  15.72) 08/16/2021   21:17:27  ( -78.05,  15.63)    2.72                16
 08/16/2021   22:08:39   (  78.06,-177.08) 08/16/2021   22:08:13  (  78.07,-177.13)    1.58                26
 08/16/2021   22:59:43   ( -78.08,  -9.72) 08/16/2021   22:58:57  ( -78.06,  -9.76)    2.74                46
 08/16/2021   23:50:39   (  78.07, 157.48) 08/16/2021   23:49:43  (  78.07, 157.48)    0.19                56
 08/17/2021   00:41:43   ( -78.09, -35.16) 08/17/2021   00:40:28  ( -78.10, -35.35)    4.59                75