Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 6 25.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/25/2021   08:36:21   (  -0.09,-104.09) (   0.80,-108.09)  455.13                80
 06/26/2021   08:20:17   (  -0.07,-104.09) (  -0.17,-103.55)   61.35                80
 06/28/2021   20:20:52   (   0.08,-104.33) (   0.07,-104.34)    2.18                80
 07/01/2021   08:23:56   (  -0.10,-104.10) (   0.13,-105.08)  111.62                80
 07/02/2021   08:07:53   (  -0.08,-104.11) (  -0.90,-100.56)  405.43                80
 07/03/2021   20:27:11   (   0.12,-104.35) (  -0.23,-105.87)  173.60                80
 07/04/2021   20:11:08   (   0.10,-104.36) (   0.80,-101.35)  343.48                80
 07/06/2021   08:30:16   (  -0.14,-104.13) (   0.43,-106.61)  283.48                80
 07/07/2021   08:14:13   (  -0.13,-104.13) (  -0.61,-102.09)  233.31                80
 07/08/2021   20:33:31   (   0.17,-104.37) (  -0.52,-107.41)  346.46                80