Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 9 28.  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) (  -0.61,-131.87)  486.43                80
 09/30/2021   05:59:28   (   0.33,-127.56) (   0.51,-126.88)   78.60                80
 10/01/2021   18:15:38   (  -0.35,-127.46) (   0.55,-131.42)  451.82                80
 10/02/2021   17:57:39   (  -0.33,-127.42) (  -0.56,-126.43)  112.90                80
 10/04/2021   06:13:59   (   0.35,-127.38) (  -0.48,-131.02)  415.28                80
 10/05/2021   05:55:59   (   0.34,-127.33) (   0.64,-126.03)  149.18                80
 10/06/2021   18:12:11   (  -0.35,-127.23) (   0.37,-130.59)  381.91                80
 10/07/2021   17:54:10   (  -0.35,-127.18) (  -0.69,-125.58)  182.24                80
 10/09/2021   06:10:31   (   0.36,-127.13) (  -0.34,-130.17)  346.79                80
 10/10/2021   05:52:31   (   0.35,-127.08) (   0.78,-125.18)  216.85                80
 10/11/2021   18:08:41   (  -0.35,-126.96) (   0.29,-129.72)  315.64                80