Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2025 7 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)
 07/20/2025   21:10:16   (  -0.36,  61.36) (  -1.02,  64.41)  346.61                80
 07/22/2025   09:29:33   (   0.39,  61.30) (  -0.12,  59.10)  251.56                80
 07/23/2025   09:13:29   (   0.38,  61.31) (   0.90,  63.63)  264.35                80
 07/24/2025   21:32:37   (  -0.41,  61.40) (   0.25,  58.36)  345.75                80
 07/25/2025   21:16:31   (  -0.40,  61.41) (  -0.71,  62.90)  170.06                80
 07/27/2025   09:35:49   (   0.42,  61.35) (  -0.42,  57.59)  428.47                80
 07/28/2025   09:19:44   (   0.41,  61.36) (   0.60,  62.13)   87.67                80
 07/30/2025   21:20:50   (  -0.42,  61.45) (  -0.42,  61.40)    5.98                37
 08/02/2025   09:23:19   (   0.44,  61.42) (   0.25,  60.63)   90.08                80
 08/03/2025   09:07:14   (   0.43,  61.44) (   1.27,  65.17)  425.22                80