Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2021 11 20.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 11/20/2021   20:06:26   (  -0.12,-104.18) (   0.84, -99.95)  481.36                80
 11/22/2021   08:28:13   (   0.09,-104.41) (   0.28,-105.23)   94.28                80
 11/23/2021   08:06:48   (   0.11,-104.40) (  -0.74,-100.70)  421.63                80
 11/24/2021   20:28:42   (  -0.08,-104.15) (  -0.48,-106.00)  209.70                80
 11/25/2021   20:12:36   (  -0.09,-104.16) (   0.49,-101.45)  308.03                80
 11/27/2021   08:34:24   (   0.06,-104.42) (   0.57,-106.75)  264.35                80
 11/28/2021   08:12:57   (   0.08,-104.42) (  -0.39,-102.20)  251.78                80
 11/29/2021   20:34:52   (  -0.05,-104.14) (  -0.82,-107.50)  382.43                80
 11/30/2021   20:18:46   (  -0.06,-104.15) (   0.21,-102.96)  135.33                80
 12/02/2021   08:40:34   (   0.04,-104.44) (   0.91,-108.24)  434.10                80
 12/03/2021   08:19:08   (   0.06,-104.43) (  -0.11,-103.71)   81.96                80