Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 12 6.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 12/06/2023   21:05:55   (   0.01,  61.16) (  -0.74,  64.45)  374.98                80
 12/08/2023   09:27:51   (   0.01,  61.18) (  -0.45,  59.15)  231.83                80
 12/09/2023   09:11:45   (  -0.00,  61.16) (   0.56,  63.68)  287.68                80
 12/10/2023   21:33:33   (  -0.02,  61.07) (   0.55,  58.40)  303.36                80
 12/11/2023   21:12:06   (  -0.00,  61.06) (  -0.41,  62.95)  214.87                80
 12/13/2023   09:34:01   (   0.02,  61.11) (  -0.77,  57.65)  394.80                80
 12/14/2023   09:17:56   (   0.01,  61.10) (   0.25,  62.18)  123.65                80
 12/15/2023   21:39:42   (  -0.03,  61.01) (   0.91,  56.91)  467.38                80
 12/16/2023   21:18:17   (  -0.02,  61.01) (  -0.11,  61.45)   50.03                80
 12/19/2023   09:21:26   (   0.03,  61.06) (  -0.07,  60.69)   43.52                80