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: 5/25/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/26/2024 04:09:14 -0.00, 140.74 -0.50, 138.53 252.09 80
2 05/27/2024 03:53:12 0.00, 140.75 0.53, 143.05 263.02 80
3 05/28/2024 16:15:02 -0.01, 140.76 0.67, 137.78 340.23 80
4 05/29/2024 15:53:39 -0.01, 140.77 -0.37, 142.30 175.22 80
5 05/31/2024 04:15:38 0.01, 140.76 -0.85, 137.00 429.05 80
6 06/01/2024 03:59:35 0.01, 140.75 0.19, 141.52 87.18 80
7 06/03/2024 16:00:02 -0.02, 140.75 0.00, 140.77 3.98 80
8 06/06/2024 04:03:18 0.03, 140.73 -0.16, 139.99 84.60 80
9 06/07/2024 03:47:15 0.03, 140.72 0.89, 144.51 432.38 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/25/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20240526.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 05/25/2024 in txt file.

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