Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 7 17.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 07/17/2022   22:02:43   (   0.24,-128.35) (  -0.06,-129.66)  150.20                80
 07/18/2022   21:46:39   (   0.22,-128.33) (   0.97,-125.14)  364.87                80
 07/20/2022   10:05:48   (  -0.26,-128.32) (   0.20,-130.41)  238.71                80
 07/21/2022   09:49:44   (  -0.24,-128.30) (  -0.78,-125.88)  275.76                80
 07/22/2022   22:09:02   (   0.28,-128.26) (  -0.38,-131.19)  334.17                80
 07/23/2022   21:52:58   (   0.27,-128.24) (   0.60,-126.66)  180.23                80
 07/25/2022   10:12:08   (  -0.30,-128.22) (   0.50,-131.95)  423.73                80
 07/26/2022   09:56:04   (  -0.29,-128.20) (  -0.47,-127.41)   89.99                80
 07/28/2022   21:56:37   (   0.31,-128.12) (   0.31,-128.19)    7.77                80