Simultaneous Nadir Overpasses (SNOs) between HIMAWARI-9 and NOAA-21
TLE Epoch: 2025 10 24.  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)
 10/25/2025   04:16:17   (   0.01, 140.74) (  -0.83, 137.02)  424.43                80
 10/26/2025   04:00:11   (   0.00, 140.74) (   0.17, 141.56)   93.38                80
 10/28/2025   16:00:30   (  -0.00, 140.71) (  -0.04, 140.84)   14.27                80
 10/31/2025   04:03:37   (   0.01, 140.70) (  -0.13, 140.08)   70.00                80
 11/01/2025   03:47:31   (   0.01, 140.68) (   0.88, 144.62)  448.78                80
 11/02/2025   16:09:15   (  -0.01, 140.65) (   0.30, 139.37)  146.63                80
 11/03/2025   15:47:49   (  -0.00, 140.64) (  -0.71, 143.91)  372.47                80
 11/05/2025   04:09:43   (   0.00, 140.62) (  -0.45, 138.61)  229.09                80
 11/06/2025   03:53:37   (  -0.00, 140.60) (   0.56, 143.15)  290.16                80
 11/07/2025   16:15:21   (   0.00, 140.57) (   0.61, 137.90)  304.66                80