Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-C
TLE Epoch: 2021 9 24.  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)
 09/24/2021   18:12:12   (  -0.33,-127.74) (   0.30,-130.64)  329.86                80
 09/25/2021   17:54:11   (  -0.32,-127.71) (  -0.80,-125.64)  236.03                80
 09/27/2021   06:10:32   (   0.34,-127.69) (  -0.21,-130.24)  290.79                80
 09/28/2021   05:52:31   (   0.32,-127.65) (   0.89,-125.24)  274.60                80
 09/29/2021   18:08:41   (  -0.34,-127.55) (   0.14,-129.80)  255.75                80
 09/30/2021   17:50:39   (  -0.32,-127.51) (  -0.90,-124.79)  309.34                80
 10/02/2021   06:06:59   (   0.34,-127.48) (  -0.10,-129.39)  218.32                80
 10/03/2021   05:48:59   (   0.33,-127.43) (   1.00,-124.39)  346.39                80
 10/04/2021   18:05:08   (  -0.34,-127.32) (   0.03,-128.94)  184.79                80
 10/05/2021   17:47:08   (  -0.33,-127.28) (  -1.07,-123.95)  379.73                80
 10/07/2021   06:03:28   (   0.35,-127.24) (   0.08,-128.55)  148.42                80