Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 7 30.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-19 Lat/Lon    Distance(km)  Time Diff(sec)
 07/30/2021   15:41:30   (  -0.20,-127.84) (   0.46,-130.71)  326.98                80
 07/31/2021   15:29:45   (  -0.20,-127.87) (  -0.24,-127.85)    4.67                80
 08/01/2021   15:20:40   (  -0.21,-127.90) (  -0.87,-124.97)  334.50                80
 08/04/2021   03:41:33   (   0.20,-127.96) (  -0.27,-129.92)  223.04                80
 08/05/2021   03:27:09   (   0.21,-127.98) (   0.45,-127.06)  106.70                80
 08/06/2021   03:15:24   (   0.21,-128.00) (   1.11,-124.19)  436.29                80
 08/07/2021   15:47:54   (  -0.19,-128.03) (   0.73,-131.96)  448.28                80
 08/08/2021   15:36:09   (  -0.20,-128.05) (   0.03,-129.10)  118.69                80
 08/09/2021   15:27:04   (  -0.21,-128.07) (  -0.62,-126.22)  210.85                80
 08/12/2021   03:47:56   (   0.20,-128.13) (  -0.50,-131.16)  346.04                80