Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2023 10 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 10/21/2023   20:30:18   (   0.20,  74.73) (   0.32,  74.24)   56.26                80
 10/23/2023   08:52:21   (  -0.17,  73.10) (  -1.14,  68.84)  485.84                80
 10/24/2023   08:31:01   (  -0.19,  72.04) (   0.08,  73.32)  145.95                80
 10/25/2023   20:55:36   (   0.17,  70.41) (   0.70,  67.96)  279.26                80
 10/26/2023   20:34:16   (   0.19,  69.36) (  -0.53,  72.44)  351.47                80
 10/28/2023   08:58:58   (  -0.16,  67.74) (  -0.34,  67.06)   77.74                80
 10/30/2023   20:59:32   (   0.17,  65.05) (  -0.06,  66.19)  128.92                80
 11/01/2023   09:24:15   (  -0.14,  63.44) (  -0.74,  60.79)  302.30                80
 11/02/2023   09:02:55   (  -0.16,  62.39) (   0.51,  65.27)  329.23                80
 11/03/2023   21:27:29   (   0.13,  60.75) (   0.32,  59.92)   95.07                80