Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 7 1.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/01/2021   08:23:56   (  -0.10,-104.09) (   0.15,-105.08)  113.09                80
 07/02/2021   08:07:53   (  -0.09,-104.09) (  -0.89,-100.55)  403.70                80
 07/03/2021   20:27:11   (   0.12,-104.34) (  -0.25,-105.87)  174.95                80
 07/04/2021   20:11:07   (   0.11,-104.34) (   0.79,-101.35)  341.85                80
 07/06/2021   08:30:16   (  -0.15,-104.10) (   0.44,-106.61)  286.42                80
 07/07/2021   08:14:12   (  -0.13,-104.10) (  -0.60,-102.08)  230.08                80
 07/08/2021   20:33:31   (   0.17,-104.34) (  -0.53,-107.40)  349.29                80
 07/09/2021   20:17:27   (   0.15,-104.34) (   0.50,-102.88)  167.36                80
 07/11/2021   08:36:35   (  -0.19,-104.10) (   0.72,-108.14)  460.63                80
 07/12/2021   08:20:31   (  -0.18,-104.10) (  -0.26,-103.61)   55.80                80
 07/14/2021   20:21:06   (   0.19,-104.34) (   0.17,-104.40)    7.25                80