Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 6 27.  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)
 06/27/2021   16:46:01   (  -0.14,-128.31) (   0.31,-130.25)  220.99                80
 06/28/2021   16:28:01   (  -0.14,-128.30) (  -0.82,-125.28)  344.13                80
 06/30/2021   04:47:01   (   0.15,-128.23) (  -0.24,-129.91)  191.33                80
 07/01/2021   04:23:41   (   0.15,-128.21) (   0.89,-124.94)  373.10                80
 07/02/2021   16:42:32   (  -0.15,-128.21) (   0.13,-129.54)  150.60                80
 07/03/2021   16:24:32   (  -0.15,-128.20) (  -0.94,-124.55)  414.36                80
 07/05/2021   04:43:31   (   0.15,-128.13) (  -0.11,-129.19)  120.95                80
 07/06/2021   04:20:12   (   0.15,-128.10) (   1.02,-124.21)  442.89                80
 07/07/2021   16:39:03   (  -0.15,-128.09) (  -0.00,-128.82)   82.59                80
 07/08/2021   16:21:03   (  -0.16,-128.06) (  -1.07,-123.83)  481.50                80
 07/10/2021   04:40:02   (   0.16,-127.99) (   0.03,-128.46)   54.41                80