Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 22.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/22/2020   21:49:29   (   0.07,-127.66) (   0.34,-126.54)  128.83                80
 11/24/2020   10:13:55   (  -0.04,-127.73) (   0.85,-131.80)  463.43                80
 11/25/2020   09:52:30   (  -0.06,-127.77) (  -0.15,-127.27)   56.72                80
 11/27/2020   21:58:20   (   0.04,-127.84) (  -0.03,-128.03)   22.66                80
 11/28/2020   21:36:55   (   0.05,-127.87) (   1.04,-123.51)  496.80                80
 11/30/2020   10:01:22   (  -0.02,-127.93) (   0.15,-128.78)   96.62                80
 12/01/2020   09:39:56   (  -0.04,-127.95) (  -0.86,-124.24)  422.67                80
 12/02/2020   22:04:31   (   0.00,-127.98) (  -0.32,-129.55)  177.50                80
 12/03/2020   21:43:06   (   0.02,-128.00) (   0.69,-125.01)  340.96                80
 12/05/2020   10:07:32   (   0.01,-128.04) (   0.49,-130.28)  254.23                80