Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/23/2022   09:47:31   (   0.32,-127.94) (  -0.13,-125.84)  238.90                80
 09/24/2022   22:09:28   (  -0.30,-127.93) (  -1.02,-131.15)  367.66                80
 09/25/2022   21:53:23   (  -0.31,-127.96) (  -0.01,-126.62)  152.20                80
 09/27/2022   10:15:12   (   0.29,-128.07) (   1.18,-131.89)  437.15                80
 09/28/2022   09:53:47   (   0.30,-128.09) (   0.17,-127.36)   81.96                80
 09/30/2022   21:57:00   (  -0.29,-128.07) (  -0.30,-128.14)    7.80                80
 10/03/2022   10:00:04   (   0.28,-128.18) (   0.45,-128.88)   80.37                80
 10/04/2022   09:41:19   (   0.28,-128.20) (  -0.56,-124.35)  437.48                80
 10/05/2022   22:03:17   (  -0.26,-128.14) (  -0.57,-129.67)  173.01                80
 10/06/2022   21:47:11   (  -0.27,-128.16) (   0.38,-125.12)  345.32                80