Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 8 3.  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)
 08/04/2021   04:19:56   (   0.17,-127.97) (   0.86,-124.87)  353.35                80
 08/05/2021   16:41:26   (  -0.15,-127.98) (   0.19,-129.47)  169.51                80
 08/06/2021   16:20:47   (  -0.17,-128.00) (  -0.95,-124.50)  399.70                80
 08/08/2021   04:39:46   (   0.15,-128.06) (  -0.10,-129.13)  121.65                80
 08/09/2021   04:16:27   (   0.17,-128.08) (   1.04,-124.16)  446.41                80
 08/10/2021   16:37:57   (  -0.15,-128.07) (   0.00,-128.75)   77.88                80
 08/11/2021   16:14:38   (  -0.17,-128.09) (  -1.14,-123.78)  490.84                80
 08/13/2021   04:36:17   (   0.15,-128.15) (   0.08,-128.41)   30.35                80
 08/15/2021   16:31:48   (  -0.14,-128.13) (  -0.19,-128.04)   11.55                80