Simultaneous Nadir Overpasses (SNOs) between GOES-15 and METOP-B
TLE Epoch: 2021 1 30.  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)
 01/31/2021   06:03:16   (  -0.03,-127.56) (  -0.26,-128.53)  110.96                80
 02/01/2021   05:45:16   (  -0.06,-127.52) (   0.80,-123.52)  455.16                80
 02/02/2021   18:01:28   (   0.02,-127.51) (   0.13,-128.10)   67.06                80
 02/03/2021   17:43:28   (   0.05,-127.46) (  -0.93,-123.09)  498.43                80
 02/05/2021   05:59:48   (  -0.00,-127.36) (  -0.10,-127.69)   38.02                80
 02/07/2021   18:00:40   (  -0.02,-127.29) (  -0.03,-127.26)    4.03                80
 02/10/2021   05:59:00   (   0.04,-127.13) (   0.08,-126.85)   31.37                80
 02/11/2021   18:15:12   (  -0.08,-127.10) (   0.86,-131.42)  491.63                80
 02/12/2021   17:57:11   (  -0.05,-127.06) (  -0.20,-126.42)   73.16                80