Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 5 3.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/03/2022   22:08:26   (  -0.11,-128.10) (  -0.76,-131.02)  332.89                80
 05/04/2022   21:52:20   (  -0.12,-128.07) (   0.24,-126.48)  181.18                80
 05/06/2022   10:11:27   (   0.10,-128.01) (   0.95,-131.74)  425.74                80
 05/07/2022   09:55:21   (   0.11,-127.98) (  -0.06,-127.21)   87.82                80
 05/09/2022   21:55:51   (  -0.11,-127.91) (  -0.11,-127.97)    6.54                80
 05/12/2022   09:58:52   (   0.11,-127.82) (   0.28,-128.70)  100.13                80
 05/13/2022   09:42:45   (   0.11,-127.78) (  -0.68,-124.15)  412.96                80
 05/14/2022   22:02:01   (  -0.09,-127.73) (  -0.49,-129.45)  196.27                80
 05/15/2022   21:45:55   (  -0.10,-127.70) (   0.53,-124.92)  316.55                80