Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2022 12 19.  Predictions up to the next  14.0 days:

     Date     Time(GOES-16)   GOES-16 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 12/21/2022   06:25:31   (  -0.02, -75.19) (  -0.13, -74.70)   55.92                80
 12/22/2022   18:41:26   (   0.02, -75.20) (  -0.88, -79.19)  455.08                80
 12/23/2022   18:23:07   (   0.01, -75.20) (   0.28, -74.12)  123.51                80
 12/25/2022   06:38:44   (  -0.01, -75.20) (   0.71, -78.54)  380.24                80
 12/26/2022   06:20:25   (  -0.01, -75.21) (  -0.39, -73.46)  198.62                80
 12/27/2022   18:36:20   (   0.02, -75.22) (  -0.57, -77.96)  311.67                80
 12/28/2022   18:18:01   (   0.01, -75.23) (   0.54, -72.88)  267.88                80
 12/30/2022   06:33:37   (  -0.02, -75.25) (   0.47, -77.30)  233.83                80
 12/31/2022   06:12:39   (  -0.01, -75.27) (  -0.71, -72.23)  346.24                80
 01/01/2023   18:31:13   (   0.01, -75.29) (  -0.30, -76.72)  162.45                80
 01/02/2023   18:12:53   (   0.01, -75.31) (   0.82, -71.64)  418.06                80