Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 8 11.  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)
 08/12/2025   08:18:31   (  -0.06,-104.73) (  -0.29,-103.75)  111.89                80
 08/13/2025   20:40:27   (   0.06,-104.74) (  -0.89,-109.05)  491.36                80
 08/14/2025   20:24:23   (   0.06,-104.74) (   0.14,-104.52)   25.24                80
 08/17/2025   08:27:26   (  -0.07,-104.72) (   0.04,-105.26)   61.46                80
 08/18/2025   08:06:01   (  -0.07,-104.71) (  -0.99,-100.73)  454.33                80
 08/19/2025   20:27:57   (   0.08,-104.72) (  -0.24,-106.03)  149.68                80
 08/20/2025   20:11:52   (   0.08,-104.72) (   0.80,-101.50)  366.59                80
 08/22/2025   08:33:40   (  -0.09,-104.71) (   0.36,-106.77)  235.34                80
 08/23/2025   08:12:15   (  -0.09,-104.70) (  -0.61,-102.23)  281.09                80
 08/24/2025   20:34:11   (   0.09,-104.71) (  -0.53,-107.54)  322.20                80