Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 9 28.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/28/2023   06:37:02   (  -0.32,  99.94) (   0.09, 101.86)  218.51                80
 09/29/2023   19:01:34   (   0.30,  98.35) (   0.70,  96.51)  209.49                80
 09/30/2023   18:40:12   (   0.32,  97.30) (  -0.52, 101.00)  421.85                80
 10/02/2023   07:04:52   (  -0.30,  95.64) (  -0.30,  95.62)    2.13                80
 10/03/2023   19:26:44   (   0.28,  94.04) (   1.14,  90.28)  428.13                80
 10/04/2023   19:05:21   (   0.30,  92.98) (  -0.08,  94.77)  203.62                80
 10/06/2023   07:30:01   (  -0.27,  91.32) (  -0.72,  89.39)  220.91                80
 10/07/2023   07:08:39   (  -0.29,  90.26) (   0.51,  93.88)  412.38                80
 10/08/2023   19:33:11   (   0.26,  88.64) (   0.27,  88.52)   12.60                80
 10/10/2023   07:55:11   (  -0.24,  86.99) (  -1.12,  83.15)  437.29                80
 10/11/2023   07:33:48   (  -0.26,  85.91) (   0.12,  87.64)  196.82                80