Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-19
TLE Epoch: 2021 5 9.  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)
 05/09/2021   15:02:56   (   0.07,-128.02) (  -0.89,-123.83)  477.60                80
 05/11/2021   03:35:32   (  -0.06,-127.97) (  -0.91,-131.63)  418.00                80
 05/12/2021   03:23:49   (  -0.06,-128.00) (  -0.22,-128.77)   87.65                80
 05/13/2021   03:09:24   (  -0.06,-128.03) (   0.41,-125.90)  242.57                80
 05/15/2021   15:30:17   (   0.05,-128.19) (   0.69,-130.85)  303.61                80
 05/16/2021   15:21:14   (   0.05,-128.22) (  -0.01,-127.99)   26.27                80
 05/17/2021   15:09:29   (   0.05,-128.24) (  -0.65,-125.12)  356.04                80
 05/20/2021   03:30:23   (  -0.04,-128.20) (  -0.46,-130.06)  211.95                80
 05/21/2021   03:15:59   (  -0.05,-128.22) (   0.17,-127.19)  117.29                80
 05/22/2021   03:04:15   (  -0.05,-128.24) (   0.86,-124.33)  446.39                80