Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 6 27.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/28/2021   20:23:32   (   0.09,-104.33) (   0.11,-104.35)    3.09                80
 07/01/2021   08:23:56   (  -0.10,-104.10) (   0.14,-105.08)  112.27                80
 07/02/2021   08:07:53   (  -0.08,-104.10) (  -0.89,-100.55)  404.72                80
 07/03/2021   20:27:11   (   0.12,-104.35) (  -0.24,-105.87)  174.16                80
 07/04/2021   20:11:08   (   0.10,-104.35) (   0.79,-101.35)  342.86                80
 07/06/2021   08:30:16   (  -0.14,-104.12) (   0.43,-106.61)  284.48                80
 07/07/2021   08:14:12   (  -0.13,-104.12) (  -0.61,-102.09)  232.24                80
 07/08/2021   20:33:31   (   0.17,-104.36) (  -0.52,-107.41)  347.37                80
 07/09/2021   20:17:26   (   0.15,-104.36) (   0.46,-102.87)  169.51                80