Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 5 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 05/21/2023   11:29:43   (   0.06,-150.70) (   0.14,-150.95)   28.22                80
 05/23/2023   23:35:38   (  -0.05,-151.79) (  -0.02,-151.78)    3.07                80
 05/26/2023   11:36:02   (   0.04,-152.91) (  -0.03,-152.57)   38.78                80
 05/28/2023   00:00:41   (  -0.01,-153.55) (  -0.97,-157.91)  496.28                80
 05/28/2023   23:41:56   (  -0.03,-153.98) (   0.10,-153.39)   67.47                80
 05/30/2023   12:03:46   (  -0.00,-154.66) (   0.91,-158.70)  460.65                80
 05/31/2023   11:42:21   (   0.02,-155.08) (  -0.17,-154.18)  102.56                80
 06/02/2023   00:04:19   (   0.02,-155.71) (  -0.81,-159.53)  434.10                80
 06/02/2023   23:48:15   (  -0.00,-156.13) (   0.26,-155.01)  128.47                80