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: 1/6/2025
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 01/07/2025 16:16:56 -0.00, 140.76 0.71, 137.61 358.65 80
2 01/08/2025 15:55:29 -0.00, 140.76 -0.33, 142.15 158.55 80
3 01/10/2025 04:17:22 0.00, 140.77 -0.85, 136.86 445.18 80
4 01/11/2025 04:01:14 0.00, 140.76 0.14, 141.40 72.44 80
5 01/13/2025 16:04:12 0.01, 140.74 -0.01, 140.67 7.86 80
6 01/16/2025 04:04:36 -0.01, 140.73 -0.21, 139.94 90.71 80
7 01/17/2025 03:48:29 -0.01, 140.71 0.86, 144.47 428.40 80
8 01/18/2025 16:10:13 0.01, 140.68 0.36, 139.22 166.78 80
9 01/19/2025 15:48:46 0.01, 140.66 -0.71, 143.75 352.70 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 1/6/2025
SNOs_Map_HIMAWARI-9_NOAA-21_20250107.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 01/06/2025 in txt file.

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