Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 1 16.  Predictions up to the next  14.0 days:

     Date     Time(HIMAWARI-9)   HIMAWARI-9 Lat/Lon  NOAA-21 Lat/Lon    Distance(km)  Time Diff(sec)
 01/16/2025   04:04:37   (   0.02, 140.78) (  -0.16, 139.92)   96.60                80
 01/17/2025   03:48:30   (   0.02, 140.76) (   0.84, 144.47)  422.70                80
 01/18/2025   16:10:14   (  -0.02, 140.73) (   0.34, 139.21)  173.68                80
 01/19/2025   15:48:47   (  -0.02, 140.71) (  -0.72, 143.74)  345.90                80
 01/21/2025   04:10:39   (   0.02, 140.68) (  -0.50, 138.46)  253.07                80
 01/22/2025   03:54:32   (   0.02, 140.65) (   0.56, 142.99)  267.03                80
 01/23/2025   16:16:17   (  -0.02, 140.61) (   0.60, 137.73)  328.06                80
 01/24/2025   15:54:49   (  -0.03, 140.59) (  -0.41, 142.27)  191.93                80
 01/26/2025   04:16:41   (   0.03, 140.55) (  -0.74, 136.98)  406.87                80
 01/27/2025   04:00:34   (   0.03, 140.53) (   0.27, 141.52)  113.57                80
 01/28/2025   16:22:18   (  -0.04, 140.48) (   0.88, 136.26)  480.36                80
 01/29/2025   16:00:51   (  -0.04, 140.45) (  -0.14, 140.80)   40.34                80