Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2026 9 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)
 09/22/2026   09:36:27   (   1.25,  63.35) (   0.60,  60.49)  325.81                80
 09/23/2026   09:15:05   (   1.31,  63.35) (   1.70,  65.01)  189.47                80
 09/24/2026   21:39:31   (  -1.20,  63.27) (  -0.39,  59.78)  398.63                80
 09/25/2026   21:18:09   (  -1.27,  63.28) (  -1.49,  64.30)  115.69                80
 09/27/2026   09:42:44   (   1.14,  63.37) (   0.15,  59.03)  494.94                80
 09/28/2026   09:21:21   (   1.21,  63.38) (   1.25,  63.55)   19.62                80
 09/30/2026   21:27:05   (  -1.15,  63.32) (  -1.03,  62.84)   54.72                80
 10/01/2026   21:05:43   (  -1.22,  63.33) (  -2.13,  67.35)  458.16                80
 10/03/2026   09:30:17   (   1.09,  63.45) (   0.75,  62.10)  154.16                80
 10/04/2026   09:08:55   (   1.17,  63.46) (   1.86,  66.61)  359.12                80
 10/05/2026   21:33:22   (  -1.03,  63.39) (  -0.59,  61.37)  229.15                80