Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 11 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/21/2020   22:10:54   (   0.05,-127.63) (  -0.72,-131.06)  391.06                80
 11/22/2020   21:49:29   (   0.07,-127.66) (   0.34,-126.54)  128.85                80
 11/24/2020   10:13:55   (  -0.04,-127.73) (   0.86,-131.80)  463.29                80
 11/25/2020   09:52:30   (  -0.06,-127.77) (  -0.15,-127.27)   56.93                80
 11/27/2020   21:58:20   (   0.04,-127.84) (  -0.03,-128.03)   22.49                80
 11/28/2020   21:36:55   (   0.05,-127.87) (   1.03,-123.51)  497.12                80
 11/30/2020   10:01:22   (  -0.02,-127.93) (   0.16,-128.78)   96.19                80
 12/01/2020   09:39:56   (  -0.04,-127.96) (  -0.85,-124.24)  423.13                80
 12/02/2020   22:04:31   (   0.00,-127.99) (  -0.33,-129.54)  176.98                80
 12/03/2020   21:43:06   (   0.02,-128.01) (   0.68,-125.01)  341.49                80