Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 9 14.  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)
 09/14/2021   16:13:24   (  -0.11,-128.05) (  -1.07,-123.69)  496.95                80
 09/16/2021   04:29:45   (   0.15,-128.04) (   0.10,-128.34)   33.38                80
 09/18/2021   16:27:55   (  -0.17,-127.94) (  -0.16,-127.95)    1.79                80
 09/21/2021   04:28:53   (   0.19,-127.90) (   0.23,-127.61)   33.19                80
 09/23/2021   16:27:03   (  -0.20,-127.79) (  -0.30,-127.22)   64.20                80
 09/25/2021   04:43:24   (   0.23,-127.79) (  -0.66,-131.87)  465.41                80
 09/26/2021   04:25:22   (   0.21,-127.75) (   0.37,-126.88)   98.62                80
 09/27/2021   16:41:33   (  -0.24,-127.66) (   0.60,-131.49)  436.40                80