Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 10 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/24/2020   09:52:53   (  -0.14,-128.26) (  -0.35,-127.34)  105.10                80
 10/26/2020   21:56:03   (   0.14,-128.20) (   0.15,-128.11)   10.41                80
 10/29/2020   10:01:45   (  -0.13,-128.16) (   0.02,-128.84)   78.23                80
 10/30/2020   09:40:19   (  -0.14,-128.14) (  -0.97,-124.31)  435.76                80
 10/31/2020   22:04:55   (   0.12,-128.09) (  -0.22,-129.61)  173.17                80
 11/01/2020   21:43:29   (   0.13,-128.06) (   0.78,-125.08)  340.17                80
 11/03/2020   10:07:57   (  -0.11,-128.03) (   0.38,-130.35)  263.80                80
 11/04/2020   09:46:31   (  -0.12,-128.00) (  -0.61,-125.81)  249.33                80
 11/05/2020   22:11:05   (   0.10,-127.95) (  -0.63,-131.10)  360.50                80
 11/06/2020   21:49:41   (   0.12,-127.91) (   0.43,-126.58)  151.87                80