Simultaneous Nadir Overpasses (SNOs) between GOES-17 and NPP
TLE Epoch: 2023 6 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-17)   GOES-17 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 06/21/2023   08:27:56   (   0.01,-104.72) (   0.08,-104.92)   24.15                80
 06/22/2023   08:06:30   (   0.00,-104.72) (  -0.96,-100.39)  492.60                80
 06/23/2023   20:28:24   (  -0.00,-104.71) (  -0.23,-105.69)  112.34                80
 06/24/2023   20:12:19   (   0.00,-104.71) (   0.81,-101.17)  404.76                80
 06/26/2023   08:34:04   (  -0.00,-104.73) (   0.40,-106.42)  193.65                80
 06/27/2023   08:12:39   (  -0.00,-104.73) (  -0.64,-101.90)  323.23                80
 06/28/2023   20:34:33   (   0.00,-104.72) (  -0.54,-107.20)  282.04                80
 06/29/2023   20:18:27   (   0.00,-104.72) (   0.44,-102.66)  234.95                80
 07/01/2023   08:40:13   (  -0.00,-104.74) (   0.70,-107.93)  363.49                80
 07/02/2023   08:18:46   (  -0.00,-104.73) (  -0.28,-103.39)  152.85                80