Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 1 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/25/2022   10:08:19   (  -0.04,-128.35) (   0.38,-130.33)  226.07                80
 01/26/2022   09:46:53   (  -0.04,-128.34) (  -0.61,-125.79)  290.42                80
 01/27/2022   22:08:47   (   0.03,-128.34) (  -0.56,-131.09)  313.28                80
 01/28/2022   21:52:41   (   0.03,-128.33) (   0.44,-126.55)  202.85                80
 01/30/2022   10:14:26   (  -0.02,-128.30) (   0.74,-131.81)  399.74                80
 01/31/2022   09:53:00   (  -0.02,-128.29) (  -0.25,-127.27)  115.96                80
 02/01/2022   22:14:54   (   0.02,-128.28) (  -0.91,-132.57)  488.93                80
 02/02/2022   21:58:47   (   0.03,-128.26) (   0.09,-128.03)   26.68                80
 02/05/2022   10:01:46   (  -0.02,-128.22) (   0.09,-128.75)   60.11                80
 02/06/2022   09:40:20   (  -0.02,-128.21) (  -0.91,-124.21)  455.37                80