Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NPP
TLE Epoch: 2022 9 24.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/24/2022   22:09:28   (  -0.30,-127.93) (  -1.01,-131.16)  367.51                80
 09/25/2022   21:53:24   (  -0.31,-127.96) (   0.00,-126.63)  152.42                80
 09/27/2022   10:15:12   (   0.29,-128.07) (   1.16,-131.90)  436.79                80
 09/28/2022   09:53:48   (   0.30,-128.09) (   0.15,-127.37)   82.31                80
 09/30/2022   21:57:00   (  -0.29,-128.08) (  -0.28,-128.15)    7.91                80
 10/03/2022   10:02:36   (   0.28,-128.19) (   0.42,-128.89)   79.65                72
 10/04/2022   09:41:20   (   0.28,-128.20) (  -0.59,-124.36)  438.24                80
 10/05/2022   22:03:16   (  -0.26,-128.15) (  -0.60,-129.66)  172.16                80
 10/06/2022   21:47:12   (  -0.27,-128.17) (   0.42,-125.13)  346.19                80