Simultaneous Nadir Overpasses (SNOs) between GOES-15 and NOAA-20
TLE Epoch: 2021 6 15.  Predictions up to the next  14.0 days:

     Date     Time(GOES-15)   GOES-15 Lat/Lon  NOAA-20 Lat/Lon    Distance(km)  Time Diff(sec)
 06/15/2021   21:59:05   (  -0.04,-128.41) (   0.00,-128.26)   17.36                80
 06/18/2021   10:02:09   (   0.04,-128.47) (   0.14,-129.01)   60.89                80
 06/19/2021   09:40:43   (   0.05,-128.46) (  -0.82,-124.47)  454.32                80
 06/20/2021   22:02:40   (  -0.04,-128.36) (  -0.33,-129.78)  161.56                80
 06/21/2021   21:46:35   (  -0.04,-128.35) (   0.63,-125.24)  353.41                80
 06/23/2021   10:05:43   (   0.03,-128.40) (   0.53,-130.52)  241.51                80
 06/24/2021   09:49:39   (   0.03,-128.38) (  -0.49,-125.99)  272.71                80
 06/25/2021   22:08:55   (  -0.02,-128.27) (  -0.70,-131.29)  345.00                80
 06/26/2021   21:52:51   (  -0.03,-128.25) (   0.31,-126.76)  169.35                80
 06/28/2021   10:11:59   (   0.02,-128.30) (   0.84,-132.04)  425.57                80