Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 9 29.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-B Lat/Lon    Distance(km)  Time Diff(sec)
 09/29/2021   06:17:27   (   0.34,-127.60) (  -0.63,-131.87)  486.41                80
 09/30/2021   05:59:27   (   0.33,-127.56) (   0.49,-126.87)   78.58                80
 10/01/2021   18:15:39   (  -0.35,-127.46) (   0.52,-131.43)  451.72                80
 10/02/2021   17:57:38   (  -0.33,-127.42) (  -0.54,-126.42)  113.03                80
 10/04/2021   06:14:00   (   0.35,-127.38) (  -0.44,-131.03)  415.22                80
 10/05/2021   05:55:59   (   0.34,-127.33) (   0.61,-126.02)  149.26                80
 10/06/2021   18:12:10   (  -0.35,-127.23) (   0.39,-130.58)  381.75                80
 10/07/2021   17:54:11   (  -0.35,-127.18) (  -0.72,-125.59)  182.41                80
 10/09/2021   06:10:31   (   0.36,-127.13) (  -0.31,-130.18)  346.70                80
 10/10/2021   05:52:31   (   0.35,-127.08) (   0.75,-125.17)  216.95                80
 10/11/2021   18:08:42   (  -0.35,-126.96) (   0.26,-129.73)  315.44                80
 10/12/2021   17:50:42   (  -0.34,-126.90) (  -0.80,-124.72)  247.78                80