Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2021   04:28:54   (   0.19,-127.89) (   0.27,-127.62)   31.92                80
 09/23/2021   16:27:04   (  -0.20,-127.78) (  -0.33,-127.23)   63.16                80
 09/25/2021   04:43:23   (   0.23,-127.77) (  -0.69,-131.87)  467.48                80
 09/26/2021   04:25:23   (   0.21,-127.73) (   0.41,-126.89)   96.36                80
 09/27/2021   16:41:33   (  -0.24,-127.64) (   0.62,-131.49)  438.11                80
 09/28/2021   16:23:33   (  -0.21,-127.60) (  -0.48,-126.51)  125.54                80
 09/30/2021   04:39:52   (   0.24,-127.58) (  -0.54,-131.14)  405.93                80
 10/01/2021   04:21:50   (   0.22,-127.54) (   0.50,-126.15)  157.11                80
 10/02/2021   16:38:02   (  -0.25,-127.43) (   0.47,-130.76)  378.67                80