Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 8 12.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/13/2022   21:56:38   (  -0.38,-128.06) (  -0.39,-128.08)    2.03                80
 08/16/2022   10:02:23   (   0.39,-128.09) (   0.55,-128.82)   83.64                80
 08/17/2022   09:40:58   (   0.38,-128.08) (  -0.44,-124.29)  431.98                80
 08/18/2022   22:02:55   (  -0.39,-128.06) (  -0.75,-129.59)  174.88                80
 08/19/2022   21:46:52   (  -0.38,-128.06) (   0.29,-125.07)  341.20                80
 08/21/2022   10:08:40   (   0.39,-128.09) (   0.91,-130.34)  256.99                80
 08/22/2022   09:47:17   (   0.38,-128.08) (  -0.14,-125.82)  257.92                80
 08/23/2022   22:09:13   (  -0.39,-128.03) (  -1.11,-131.11)  351.43                80
 08/24/2022   21:53:10   (  -0.38,-128.03) (  -0.06,-126.59)  164.08                80