Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between HIMAWARI-9 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 2/23/2025
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 02/24/2025 16:16:18 0.01, 140.78 0.72, 137.70 351.54 80
2 02/25/2025 15:54:54 0.01, 140.77 -0.34, 142.22 165.07 80
3 02/27/2025 04:16:51 -0.02, 140.76 -0.86, 136.91 438.18 80
4 02/28/2025 03:58:07 -0.01, 140.75 0.15, 141.44 79.04 80
5 03/02/2025 16:03:50 0.01, 140.72 0.03, 140.70 3.32 80
6 03/05/2025 04:07:03 -0.01, 140.68 -0.20, 139.92 87.15 80
7 03/06/2025 03:45:38 -0.01, 140.66 0.82, 144.45 430.78 80
8 03/07/2025 16:10:05 0.01, 140.64 0.35, 139.18 167.29 80
9 03/08/2025 15:48:41 0.01, 140.63 -0.67, 143.71 350.88 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 2/23/2025
SNOs_Map_HIMAWARI-9_NOAA-21_20250224.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 02/23/2025 in txt file.

Historical Predications of SNOs between HIMAWARI-9 and NOAA-21