Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 1 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)
 01/16/2021   06:13:37   (  -0.11,-128.02) (  -0.77,-131.04)  343.86                80
 01/17/2021   05:55:38   (  -0.14,-128.00) (   0.30,-126.04)  223.59                80
 01/18/2021   18:11:50   (   0.10,-127.98) (   0.69,-130.60)  298.81                80
 01/19/2021   17:53:50   (   0.12,-127.96) (  -0.38,-125.60)  268.17                80
 01/21/2021   06:10:13   (  -0.08,-127.91) (  -0.61,-130.21)  262.93                80
 01/22/2021   05:52:13   (  -0.11,-127.88) (   0.47,-125.21)  304.03                80
 01/23/2021   18:08:26   (   0.07,-127.86) (   0.53,-129.78)  219.07                80
 01/24/2021   17:50:27   (   0.09,-127.83) (  -0.61,-124.79)  347.19                80
 01/26/2021   06:06:48   (  -0.05,-127.76) (  -0.43,-129.39)  185.55                80
 01/27/2021   05:48:49   (  -0.08,-127.73) (   0.65,-124.39)  380.66                80
 01/28/2021   18:05:01   (   0.04,-127.70) (   0.35,-128.95)  143.29                80