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: 12/1/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 12/01/2024 16:11:34 0.01, 140.75 0.38, 138.98 201.26 80
2 12/02/2024 15:50:08 0.01, 140.75 -0.62, 143.51 315.39 80
3 12/04/2024 04:14:44 -0.00, 140.75 -0.57, 138.21 289.59 80
4 12/05/2024 03:53:18 0.00, 140.74 0.44, 142.74 227.50 80
5 12/06/2024 16:17:45 -0.00, 140.72 0.75, 137.48 370.23 80
6 12/07/2024 15:56:20 -0.01, 140.71 -0.33, 142.00 147.26 80
7 12/09/2024 04:20:54 0.01, 140.70 -0.89, 136.70 456.27 80
8 12/10/2024 03:59:29 0.01, 140.69 0.14, 141.23 61.90 80
9 12/12/2024 16:05:10 -0.00, 140.64 0.01, 140.49 15.81 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/1/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20241201.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 12/01/2024 in txt file.

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