Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 3 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/30/2022   10:08:11   (   0.11,-128.36) (   0.55,-130.32)  223.14                80
 03/31/2022   09:46:46   (   0.11,-128.38) (  -0.48,-125.79)  295.41                80
 04/01/2022   22:08:43   (  -0.11,-128.43) (  -0.69,-131.10)  304.01                80
 04/02/2022   21:52:37   (  -0.11,-128.44) (   0.29,-126.56)  214.54                80
 04/04/2022   10:14:25   (   0.11,-128.46) (   0.84,-131.84)  384.70                80
 04/05/2022   09:53:00   (   0.11,-128.47) (  -0.14,-127.30)  133.33                80
 04/06/2022   22:14:56   (  -0.11,-128.50) (  -1.02,-132.61)  467.38                80
 04/07/2022   21:58:51   (  -0.12,-128.51) (  -0.04,-128.07)   50.56                80
 04/10/2022   10:01:54   (   0.12,-128.52) (   0.18,-128.81)   32.08                80
 04/11/2022   09:40:28   (   0.13,-128.53) (  -0.80,-124.27)  485.29                80
 04/12/2022   22:02:24   (  -0.13,-128.55) (  -0.35,-129.58)  116.51                80