Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 5 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)
 05/17/2023   11:04:39   (   0.10,-148.90) (  -0.82,-144.82)  466.19                80
 05/18/2023   23:29:18   (  -0.07,-149.57) (  -0.20,-150.16)   66.47                80
 05/19/2023   23:07:53   (  -0.09,-150.02) (   0.86,-145.64)  498.58                80
 05/21/2023   11:32:23   (   0.06,-150.71) (   0.10,-150.95)   27.48                80
 05/23/2023   23:32:57   (  -0.05,-151.80) (  -0.05,-151.78)    3.07                80
 05/26/2023   11:38:06   (   0.04,-152.93) (  -0.05,-152.57)   40.45                43
 05/27/2023   23:58:00   (  -0.01,-153.57) (  -1.00,-157.91)  494.48                80
 05/28/2023   23:41:57   (  -0.03,-154.01) (   0.12,-153.40)   69.51                80
 05/30/2023   12:03:46   (  -0.00,-154.68) (   0.90,-158.70)  458.22                80