Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 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)
 09/23/2023   06:33:14   (  -0.34, 105.27) (  -0.71, 103.61)  188.47                80
 09/24/2023   06:11:52   (  -0.34, 104.21) (   0.50, 108.10)  442.56                80
 09/25/2023   18:33:44   (   0.33, 102.64) (   0.30, 102.75)   13.05                80
 09/27/2023   06:58:25   (  -0.31, 100.99) (  -1.13,  97.38)  412.63                80
 09/28/2023   06:37:02   (  -0.32,  99.93) (   0.08, 101.86)  219.64                80
 09/29/2023   19:01:34   (   0.30,  98.33) (   0.71,  96.51)  206.82                80
 09/30/2023   18:40:12   (   0.32,  97.27) (  -0.51, 101.00)  424.96                80
 10/02/2023   07:02:12   (  -0.30,  95.62) (  -0.31,  95.62)    0.96                80
 10/03/2023   19:26:44   (   0.28,  93.99) (   1.10,  90.27)  423.81                80
 10/04/2023   19:05:22   (   0.30,  92.94) (  -0.13,  94.76)  208.40                80
 10/06/2023   07:30:02   (  -0.27,  91.28) (  -0.67,  89.38)  216.32                80