Simultaneous Nadir Overpasses (SNOs) between GOES-16 and NOAA-21
TLE Epoch: 2025 7 3.  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)
 07/05/2025   08:33:32   (   0.01,-104.72) (   0.44,-106.72)  227.69                80
 07/06/2025   08:12:08   (   0.00,-104.72) (  -0.56,-102.19)  288.15                80
 07/07/2025   20:34:06   (   0.00,-104.72) (  -0.59,-107.51)  316.79                80
 07/08/2025   20:18:02   (   0.01,-104.72) (   0.41,-102.98)  199.13                80
 07/10/2025   08:39:49   (  -0.01,-104.71) (   0.79,-108.24)  402.34                80
 07/11/2025   08:18:24   (  -0.01,-104.71) (  -0.21,-103.71)  113.54                80
 07/12/2025   20:40:22   (   0.01,-104.71) (  -0.98,-109.02)  491.46                80
 07/13/2025   20:24:18   (   0.00,-104.71) (   0.08,-104.50)   24.84                80
 07/16/2025   08:27:21   (  -0.00,-104.70) (   0.12,-105.23)   60.30                80
 07/17/2025   08:05:57   (  -0.00,-104.70) (  -0.89,-100.70)  455.70                80