Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 8 13.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/13/2021   08:18:16   (  -0.39,-104.18) (  -0.50,-103.71)   54.20                80
 08/15/2021   20:21:30   (   0.40,-104.38) (   0.36,-104.49)   12.94                80
 08/18/2021   08:27:14   (  -0.43,-104.21) (  -0.22,-105.24)  117.15                80
 08/19/2021   08:05:50   (  -0.42,-104.20) (  -1.21,-100.70)  398.69                80
 08/20/2021   20:27:48   (   0.44,-104.38) (   0.08,-106.02)  187.04                80
 08/21/2021   20:11:44   (   0.44,-104.39) (   1.07,-101.49)  330.40                80
 08/23/2021   08:33:32   (  -0.46,-104.23) (   0.11,-106.76)  287.84                80
 08/24/2021   08:12:08   (  -0.45,-104.23) (  -0.88,-102.22)  228.50                80
 08/25/2021   20:34:06   (   0.47,-104.39) (  -0.24,-107.54)  358.78                80
 08/26/2021   20:18:01   (   0.46,-104.41) (   0.75,-103.01)  159.19                80