Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 30.  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)
 12/31/2024   04:05:13   (  -0.02, 140.75) (  -0.24, 139.82)  106.77                80
 01/01/2025   03:49:06   (  -0.02, 140.75) (   0.78, 144.35)  410.91                80
 01/02/2025   16:10:52   (   0.02, 140.73) (   0.40, 139.09)  187.69                80
 01/03/2025   15:49:25   (   0.01, 140.73) (  -0.63, 143.63)  330.30                80
 01/05/2025   04:13:59   (  -0.02, 140.71) (  -0.52, 138.33)  270.84                80
 01/06/2025   03:52:31   (  -0.01, 140.69) (   0.45, 142.87)  247.86                80
 01/07/2025   16:16:56   (   0.02, 140.67) (   0.71, 137.61)  348.97                80
 01/08/2025   15:55:30   (   0.02, 140.66) (  -0.33, 142.14)  169.86                80
 01/10/2025   04:20:02   (  -0.03, 140.63) (  -0.85, 136.85)  430.42                80
 01/11/2025   03:58:35   (  -0.02, 140.61) (   0.14, 141.40)   88.81                80
 01/13/2025   16:01:33   (   0.03, 140.56) (   0.01, 140.67)   12.61                80