Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 15.  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)
 09/16/2021   04:29:44   (   0.15,-128.04) (   0.08,-128.33)   33.45                80
 09/18/2021   16:27:54   (  -0.17,-127.94) (  -0.15,-127.95)    2.64                80
 09/21/2021   04:28:54   (   0.19,-127.90) (   0.27,-127.62)   33.01                80
 09/23/2021   16:27:04   (  -0.20,-127.79) (  -0.34,-127.23)   64.00                80
 09/25/2021   04:43:23   (   0.23,-127.78) (  -0.68,-131.87)  465.70                80
 09/26/2021   04:25:23   (   0.21,-127.75) (   0.42,-126.89)   98.29                80
 09/27/2021   16:41:33   (  -0.24,-127.66) (   0.62,-131.49)  436.64                80
 09/28/2021   16:23:33   (  -0.21,-127.62) (  -0.48,-126.51)  127.18                80