Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 6 4.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/04/2022   22:08:05   (  -0.01,-128.12) (  -0.62,-130.94)  320.65                80
 06/05/2022   21:52:01   (  -0.02,-128.15) (   0.38,-126.41)  198.33                80
 06/07/2022   10:11:12   (  -0.00,-128.19) (   0.76,-131.70)  399.10                80
 06/08/2022   09:55:08   (   0.01,-128.21) (  -0.24,-127.17)  119.47                80
 06/09/2022   22:14:26   (   0.02,-128.24) (  -0.95,-132.48)  483.91                80
 06/10/2022   21:58:23   (   0.00,-128.26) (   0.06,-127.95)   34.44                80
 06/13/2022   09:58:50   (  -0.02,-128.30) (   0.07,-128.71)   46.35                80
 06/14/2022   09:42:46   (  -0.01,-128.31) (  -0.93,-124.18)  470.95                80
 06/15/2022   22:02:05   (   0.04,-128.32) (  -0.24,-129.50)  134.52                80
 06/16/2022   21:46:01   (   0.03,-128.33) (   0.77,-124.97)  382.77                80