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: 8/28/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/30/2024 04:10:26 -0.02, 140.73 -0.54, 138.50 255.40 80
2 08/31/2024 03:54:20 -0.02, 140.73 0.47, 143.03 261.91 80
3 09/01/2024 16:16:07 0.01, 140.73 0.67, 137.77 338.23 80
4 09/02/2024 15:54:42 0.02, 140.73 -0.35, 142.30 179.65 80
5 09/04/2024 04:16:36 -0.01, 140.70 -0.85, 137.01 420.74 80
6 09/05/2024 04:00:31 -0.02, 140.69 0.17, 141.55 97.88 80
7 09/07/2024 16:00:52 0.02, 140.66 -0.02, 140.82 18.50 80
8 09/10/2024 04:04:01 -0.01, 140.61 -0.12, 140.07 62.18 80
9 09/11/2024 03:47:54 -0.01, 140.60 0.86, 144.61 456.90 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/28/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20240829.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 08/28/2024 in txt file.

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