Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 21.  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)
 09/23/2021   16:27:04   (  -0.20,-127.78) (  -0.32,-127.23)   63.07                80
 09/25/2021   04:43:24   (   0.23,-127.76) (  -0.65,-131.88)  468.00                80
 09/26/2021   04:25:22   (   0.21,-127.73) (   0.39,-126.89)   95.76                80
 09/27/2021   16:41:33   (  -0.24,-127.64) (   0.64,-131.48)  438.47                80
 09/28/2021   16:23:32   (  -0.21,-127.60) (  -0.46,-126.50)  125.08                80
 09/30/2021   04:39:51   (   0.24,-127.57) (  -0.55,-131.14)  406.85                80
 10/01/2021   04:21:51   (   0.22,-127.53) (   0.55,-126.16)  156.13                80
 10/02/2021   16:38:01   (  -0.25,-127.43) (   0.49,-130.76)  379.38                80
 10/03/2021   16:20:01   (  -0.23,-127.38) (  -0.61,-125.78)  183.54                80