Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2024 12 29.  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)
 12/29/2024   15:43:20   (   0.02, 140.76) (  -0.93, 145.11)  495.68                80
 12/31/2024   04:05:13   (  -0.02, 140.75) (  -0.25, 139.82)  107.03                80
 01/01/2025   03:49:06   (  -0.02, 140.75) (   0.77, 144.35)  410.56                80
 01/02/2025   16:10:52   (   0.01, 140.74) (   0.41, 139.09)  188.10                80
 01/03/2025   15:49:25   (   0.01, 140.73) (  -0.61, 143.63)  329.81                80
 01/05/2025   04:13:59   (  -0.01, 140.71) (  -0.54, 138.33)  271.63                80
 01/06/2025   03:52:32   (  -0.00, 140.70) (   0.48, 142.86)  246.93                80
 01/07/2025   16:16:57   (   0.01, 140.67) (   0.68, 137.60)  349.92                80
 01/08/2025   15:55:30   (   0.01, 140.66) (  -0.29, 142.15)  168.84                80
 01/10/2025   04:20:03   (  -0.02, 140.64) (  -0.84, 136.84)  431.75                80
 01/11/2025   03:58:36   (  -0.02, 140.62) (   0.14, 141.39)   87.38                80