Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 5 20.  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   11:32:23   (   0.06,-150.71) (   0.12,-150.95)   28.07                80
 05/23/2023   23:32:57   (  -0.05,-151.79) (  -0.06,-151.77)    2.92                80
 05/26/2023   11:36:03   (   0.04,-152.91) (  -0.04,-152.57)   38.93                80
 05/28/2023   00:00:41   (  -0.01,-153.56) (  -0.96,-157.92)  496.13                80
 05/28/2023   23:41:57   (  -0.03,-153.99) (   0.11,-153.40)   67.65                80
 05/30/2023   12:03:46   (  -0.00,-154.66) (   0.90,-158.70)  460.44                80
 05/31/2023   11:42:21   (   0.02,-155.09) (  -0.17,-154.18)  102.77                80
 06/02/2023   00:04:20   (   0.02,-155.72) (  -0.82,-159.53)  433.88                80
 06/02/2023   23:48:15   (  -0.00,-156.14) (   0.26,-155.01)  128.69                80