Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 8 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-C Lat/Lon    Distance(km)  Time Diff(sec)
 08/19/2021   06:20:31   (  -0.01,-128.26) (  -0.80,-131.89)  412.40                80
 08/20/2021   05:57:11   (   0.01,-128.27) (   0.34,-126.90)  156.83                80
 08/21/2021   18:18:42   (   0.02,-128.21) (   0.71,-131.45)  368.91                80
 08/22/2021   17:55:21   (  -0.01,-128.22) (  -0.38,-126.45)  200.93                80
 08/24/2021   06:17:01   (  -0.02,-128.31) (  -0.65,-131.05)  312.07                80
 08/25/2021   05:53:41   (   0.00,-128.32) (   0.50,-126.06)  257.16                80
 08/26/2021   18:15:11   (   0.03,-128.25) (   0.54,-130.61)  268.99                80
 08/27/2021   17:51:51   (   0.01,-128.26) (  -0.55,-125.61)  300.61                80
 08/29/2021   06:13:30   (  -0.04,-128.34) (  -0.48,-130.21)  212.65                80
 08/30/2021   05:50:11   (  -0.02,-128.34) (   0.66,-125.22)  356.05                80
 08/31/2021   18:11:40   (   0.06,-128.26) (   0.42,-129.76)  171.49                80