Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 7 15.  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)
 07/15/2021   05:49:45   (   0.13,-127.80) (   0.69,-125.22)  293.07                80
 07/16/2021   18:08:38   (  -0.12,-127.72) (   0.34,-129.78)  234.68                80
 07/17/2021   17:50:38   (  -0.13,-127.69) (  -0.75,-124.78)  330.28                80
 07/19/2021   06:09:39   (   0.11,-127.65) (  -0.28,-129.38)  197.11                80
 07/20/2021   05:46:20   (   0.12,-127.60) (   0.87,-124.39)  366.62                80
 07/21/2021   18:05:11   (  -0.11,-127.50) (   0.22,-128.93)  163.15                80
 07/22/2021   17:47:13   (  -0.12,-127.46) (  -0.93,-123.95)  400.84                80
 07/24/2021   06:06:12   (   0.11,-127.42) (  -0.15,-128.53)  127.02                80
 07/25/2021   05:42:54   (   0.13,-127.37) (   1.00,-123.54)  436.14                80
 07/26/2021   18:04:25   (  -0.11,-127.26) (   0.09,-128.09)   94.59                80
 07/27/2021   17:43:47   (  -0.13,-127.22) (  -1.06,-123.10)  469.33                80