Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 3 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)
 03/25/2023   22:00:49   (  -0.15,-128.02) (  -0.13,-128.01)    2.39                80
 03/28/2023   10:03:54   (   0.15,-128.07) (   0.31,-128.74)   76.78                80
 03/29/2023   09:42:31   (   0.16,-128.10) (  -0.73,-124.21)  443.08                80
 03/30/2023   22:04:28   (  -0.16,-128.17) (  -0.45,-129.52)  152.70                80
 03/31/2023   21:48:23   (  -0.17,-128.20) (   0.55,-124.98)  367.18                80
 04/02/2023   10:07:32   (   0.16,-128.22) (   0.62,-130.25)  231.64                80
 04/03/2023   09:48:47   (   0.17,-128.24) (  -0.39,-125.71)  288.09                80
 04/04/2023   22:10:45   (  -0.16,-128.32) (  -0.76,-131.02)  308.15                80
 04/05/2023   21:54:40   (  -0.17,-128.34) (   0.27,-126.49)  211.53                80