Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 7 11.  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)
 07/12/2021   16:35:33   (  -0.17,-127.89) (  -0.10,-128.08)   22.78                80
 07/15/2021   04:33:53   (   0.17,-127.78) (   0.18,-127.74)    4.80                80
 07/17/2021   16:34:44   (  -0.17,-127.69) (  -0.24,-127.36)   37.67                80
 07/19/2021   04:53:43   (   0.16,-127.62) (  -0.81,-131.99)  497.52                80
 07/20/2021   04:30:22   (   0.17,-127.58) (   0.26,-127.01)   64.08                80
 07/21/2021   16:49:14   (  -0.16,-127.50) (   0.74,-131.61)  467.87                80
 07/22/2021   16:31:13   (  -0.17,-127.46) (  -0.33,-126.63)   93.91                80
 07/24/2021   04:50:13   (   0.16,-127.39) (  -0.71,-131.26)  441.80                80