Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2020 12 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/29/2020   21:55:34   (  -0.15,-128.27) (  -0.06,-128.04)   27.60                80
 01/01/2021   10:01:17   (   0.17,-128.22) (   0.26,-128.77)   61.82                80
 01/02/2021   09:39:52   (   0.15,-128.21) (  -0.75,-124.24)  452.98                80
 01/03/2021   22:04:28   (  -0.19,-128.23) (  -0.46,-129.54)  149.27                80
 01/04/2021   21:43:04   (  -0.16,-128.21) (   0.55,-125.01)  365.13                80
 01/06/2021   10:07:31   (   0.21,-128.17) (   0.66,-130.27)  239.95                80
 01/07/2021   09:46:07   (   0.18,-128.15) (  -0.35,-125.74)  274.29                80
 01/08/2021   22:10:43   (  -0.23,-128.16) (  -0.85,-131.05)  328.63                80
 01/09/2021   21:49:19   (  -0.21,-128.14) (   0.16,-126.52)  185.14                80
 01/11/2021   10:13:45   (   0.25,-128.08) (   1.11,-131.77)  421.30                80