Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 9 25.  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)
 09/25/2021   17:54:11   (  -0.32,-127.71) (  -0.76,-125.63)  236.10                80
 09/27/2021   06:10:31   (   0.34,-127.68) (  -0.25,-130.23)  290.92                80
 09/28/2021   05:52:31   (   0.32,-127.65) (   0.85,-125.24)  274.43                80
 09/29/2021   18:08:40   (  -0.34,-127.55) (   0.18,-129.79)  255.76                80
 09/30/2021   17:50:39   (  -0.32,-127.51) (  -0.92,-124.79)  309.29                80
 10/02/2021   06:07:00   (   0.34,-127.47) (  -0.08,-129.39)  218.57                80
 10/03/2021   05:48:59   (   0.33,-127.43) (   1.03,-124.40)  346.14                80
 10/04/2021   18:05:09   (  -0.34,-127.32) (   0.00,-128.95)  184.90                80
 10/05/2021   17:47:08   (  -0.33,-127.28) (  -1.10,-123.95)  379.62                80
 10/07/2021   06:03:27   (   0.35,-127.24) (   0.05,-128.54)  148.75                80
 10/08/2021   05:45:27   (   0.34,-127.19) (   1.16,-123.55)  415.35                80