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: 9/27/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/28/2024 16:10:19 -0.03, 140.75 0.30, 139.24 171.78 80
2 09/29/2024 15:48:57 -0.03, 140.74 -0.72, 143.77 345.07 80
3 10/01/2024 04:10:56 0.03, 140.71 -0.45, 138.45 257.19 80
4 10/02/2024 03:54:53 0.03, 140.70 0.53, 142.99 260.44 80
5 10/03/2024 16:16:43 -0.03, 140.68 0.66, 137.71 338.98 80
6 10/04/2024 15:55:21 -0.02, 140.67 -0.39, 142.23 178.83 80
7 10/06/2024 04:17:19 0.03, 140.63 -0.83, 136.93 422.63 80
8 10/07/2024 04:01:17 0.02, 140.61 0.22, 141.45 95.52 80
9 10/09/2024 16:01:43 -0.02, 140.57 -0.06, 140.70 15.22 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/27/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20240928.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 09/27/2024 in txt file.

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