Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 8 26.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 08/26/2021   20:17:48   (  -0.41,-104.35) (  -0.07,-102.82)  174.60                80
 08/28/2021   08:39:35   (   0.41,-104.18) (   1.31,-108.07)  444.02                80
 08/29/2021   08:18:11   (   0.41,-104.17) (   0.26,-103.55)   70.65                80
 08/31/2021   20:21:25   (  -0.40,-104.33) (  -0.39,-104.34)    2.15                80
 09/03/2021   08:27:09   (   0.40,-104.17) (   0.57,-105.07)  102.13                80
 09/04/2021   08:05:45   (   0.39,-104.16) (  -0.42,-100.54)  412.41                80
 09/05/2021   20:27:42   (  -0.39,-104.29) (  -0.76,-105.85)  177.93                80
 09/06/2021   20:11:38   (  -0.39,-104.29) (   0.30,-101.33)  338.95                80
 09/08/2021   08:33:26   (   0.39,-104.17) (   0.94,-106.58)  274.84                80
 09/09/2021   08:12:01   (   0.39,-104.16) (  -0.06,-102.05)  239.89                80