Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 8 17.  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)
 08/17/2021   17:58:51   (  -0.02,-128.18) (  -0.20,-127.29)  100.80                80
 08/19/2021   06:20:31   (  -0.01,-128.26) (  -0.81,-131.88)  412.35                80
 08/20/2021   05:57:11   (   0.02,-128.27) (   0.33,-126.90)  156.89                80
 08/21/2021   18:18:42   (   0.02,-128.21) (   0.72,-131.45)  368.95                80
 08/22/2021   17:55:22   (  -0.01,-128.22) (  -0.43,-126.46)  200.90                80
 08/24/2021   06:17:00   (  -0.02,-128.31) (  -0.66,-131.04)  311.99                80
 08/25/2021   05:53:41   (   0.01,-128.32) (   0.49,-126.05)  257.27                80
 08/26/2021   18:15:11   (   0.03,-128.25) (   0.55,-130.61)  268.99                80
 08/27/2021   17:51:52   (   0.00,-128.26) (  -0.60,-125.62)  300.60                80
 08/29/2021   06:13:31   (  -0.04,-128.35) (  -0.44,-130.22)  212.51                80
 08/30/2021   05:50:11   (  -0.02,-128.35) (   0.65,-125.21)  356.20                80