Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NPP
TLE Epoch: 2021 1 10.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 01/10/2021   18:10:09   (  -0.02, -75.19) (   0.85, -71.16)  457.92                80
 01/12/2021   06:31:57   (   0.02, -75.18) (   0.30, -76.44)  143.53                80
 01/13/2021   06:10:33   (   0.02, -75.18) (  -0.72, -71.91)  372.96                80
 01/14/2021   18:32:29   (  -0.01, -75.20) (  -0.48, -77.21)  230.05                80
 01/15/2021   18:16:24   (  -0.01, -75.21) (   0.53, -72.68)  287.18                80
 01/17/2021   06:38:13   (   0.01, -75.22) (   0.62, -77.96)  312.42                80
 01/18/2021   06:16:48   (  -0.00, -75.23) (  -0.40, -73.43)  205.08                80
 01/19/2021   18:38:45   (   0.00, -75.26) (  -0.80, -78.73)  396.56                80
 01/20/2021   18:22:40   (   0.00, -75.28) (   0.22, -74.21)  121.67                80
 01/22/2021   06:44:28   (   0.00, -75.30) (   0.93, -79.48)  476.20                80
 01/23/2021   06:23:04   (   0.01, -75.32) (  -0.09, -74.95)   42.12                80