Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 9 20.  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)
 09/20/2021   17:57:43   (  -0.31,-127.87) (  -0.64,-126.48)  158.61                80
 09/22/2021   06:14:03   (   0.33,-127.86) (  -0.37,-131.08)  366.54                80
 09/23/2021   05:56:03   (   0.31,-127.83) (   0.72,-126.09)  199.70                80
 09/24/2021   18:12:12   (  -0.34,-127.74) (   0.30,-130.64)  329.94                80
 09/25/2021   17:54:11   (  -0.32,-127.71) (  -0.79,-125.64)  236.10                80
 09/27/2021   06:10:32   (   0.34,-127.70) (  -0.21,-130.24)  289.73                80
 09/28/2021   05:52:31   (   0.32,-127.66) (   0.89,-125.24)  275.77                80
 09/29/2021   18:08:41   (  -0.34,-127.55) (   0.14,-129.80)  255.17                80
 09/30/2021   17:50:40   (  -0.32,-127.51) (  -0.96,-124.80)  310.07                80
 10/02/2021   06:06:59   (   0.34,-127.49) (  -0.10,-129.39)  216.58                80
 10/03/2021   05:48:59   (   0.33,-127.45) (   1.00,-124.39)  348.25                80