Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 12 23.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/24/2023   09:27:43   (   0.04,  61.32) (  -0.44,  59.17)  245.44                80
 12/25/2023   09:11:38   (   0.03,  61.33) (   0.53,  63.71)  270.00                80
 12/26/2023   21:33:29   (  -0.04,  61.26) (   0.57,  58.41)  323.68                80
 12/27/2023   21:12:04   (  -0.03,  61.28) (  -0.40,  62.95)  190.78                80
 12/29/2023   09:34:02   (   0.04,  61.39) (  -0.82,  57.65)  427.09                80
 12/30/2023   09:17:58   (   0.03,  61.40) (   0.22,  62.17)   88.00                80
 01/01/2024   21:18:23   (  -0.04,  61.33) (  -0.04,  61.42)   10.07                80
 01/04/2024   09:21:37   (   0.05,  61.47) (  -0.12,  60.64)   94.51                80
 01/05/2024   09:05:32   (   0.04,  61.49) (   0.86,  65.17)  420.25                80