Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 3 16.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/17/2019   08:20:08   (   0.09,-104.41) (  -0.14,-103.52)  102.40                80
 03/19/2019   20:20:37   (  -0.09,-104.27) (  -0.12,-104.26)    2.84                80
 03/22/2019   08:23:39   (   0.09,-104.41) (   0.25,-105.00)   67.72                80
 03/23/2019   08:07:35   (   0.09,-104.42) (  -0.81,-100.48)  449.84                80
 03/24/2019   20:29:29   (  -0.09,-104.30) (  -0.45,-105.76)  167.41                80
 03/25/2019   20:08:04   (  -0.10,-104.30) (   0.62,-101.24)  349.16                80
 03/27/2019   08:29:51   (   0.10,-104.42) (   0.58,-106.50)  236.91                80
 03/28/2019   08:13:45   (   0.10,-104.43) (  -0.43,-101.96)  280.75                80
 03/29/2019   20:35:41   (  -0.11,-104.33) (  -0.77,-107.26)  334.61                80