Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2021 2 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 02/03/2021   09:39:48   (   0.36,-127.43) (  -0.39,-124.19)  370.19                80
 02/04/2021   22:04:24   (  -0.40,-127.43) (  -0.85,-129.48)  233.16                80
 02/05/2021   21:42:59   (  -0.38,-127.39) (   0.18,-124.95)  278.40                80
 02/07/2021   10:07:25   (   0.42,-127.26) (   1.09,-130.20)  335.49                80
 02/08/2021   09:46:01   (   0.40,-127.21) (   0.06,-125.67)  175.61                80
 02/09/2021   22:10:36   (  -0.44,-127.21) (  -1.30,-130.97)  428.96                80
 02/10/2021   21:49:12   (  -0.42,-127.16) (  -0.27,-126.44)   82.24                80
 02/13/2021   09:54:54   (   0.44,-126.98) (   0.51,-127.16)   21.09                80
 02/14/2021   09:33:29   (   0.43,-126.94) (  -0.52,-122.63)  490.16                80
 02/15/2021   21:58:05   (  -0.45,-126.93) (  -0.65,-127.94)  114.82                80
 02/16/2021   21:36:40   (  -0.44,-126.88) (   0.32,-123.40)  396.29                80