Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-A
TLE Epoch: 2021 4 18.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  METOP-A Lat/Lon    Distance(km)  Time Diff(sec)
 04/19/2021   04:36:52   (  -0.10,-127.84) (   0.41,-125.65)  250.42                80
 04/20/2021   16:53:02   (   0.10,-127.88) (   0.64,-130.24)  268.87                80
 04/21/2021   16:35:03   (   0.10,-127.85) (  -0.49,-125.27)  294.40                80
 04/23/2021   04:54:02   (  -0.09,-127.69) (  -0.57,-129.89)  250.64                80
 04/24/2021   04:30:42   (  -0.10,-127.65) (   0.50,-124.91)  312.21                80
 04/25/2021   16:49:33   (   0.09,-127.69) (   0.49,-129.51)  207.95                80
 04/26/2021   16:31:33   (   0.10,-127.65) (  -0.59,-124.53)  354.80                80
 04/28/2021   04:50:32   (  -0.09,-127.48) (  -0.47,-129.16)  191.04                80
 04/29/2021   04:27:11   (  -0.09,-127.43) (   0.60,-124.17)  370.91                80
 04/30/2021   16:46:03   (   0.08,-127.45) (   0.38,-128.78)  151.03                80
 05/01/2021   16:28:02   (   0.08,-127.41) (  -0.69,-123.79)  410.83                80