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: 3/3/2025
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/05/2025 04:04:22 -0.01, 140.77 -0.19, 139.92 96.22 80
2 03/06/2025 03:48:18 -0.01, 140.77 0.82, 144.45 419.95 80
3 03/07/2025 16:10:05 0.01, 140.76 0.34, 139.18 179.29 80
4 03/08/2025 15:48:40 0.01, 140.76 -0.62, 143.72 337.16 80
5 03/10/2025 04:10:37 -0.02, 140.76 -0.54, 138.41 268.09 80
6 03/11/2025 03:54:32 -0.02, 140.75 0.49, 142.93 249.18 80
7 03/12/2025 16:16:19 0.02, 140.72 0.73, 137.67 347.85 80
8 03/13/2025 15:54:54 0.02, 140.71 -0.31, 142.20 169.89 80
9 03/15/2025 04:19:31 -0.02, 140.70 -0.90, 136.90 433.62 80
10 03/16/2025 03:58:06 -0.02, 140.68 0.14, 141.42 84.73 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/3/2025
SNOs_Map_HIMAWARI-9_NOAA-21_20250304.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 03/03/2025 in txt file.

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