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: 2/20/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 02/21/2024 03:52:33 -0.04, 140.82 0.45, 143.04 252.36 80
2 02/22/2024 16:14:23 0.04, 140.79 0.72, 137.76 346.03 80
3 02/23/2024 15:53:01 0.04, 140.78 -0.32, 142.28 170.92 80
4 02/25/2024 04:17:39 -0.05, 140.77 -0.92, 136.98 433.45 80
5 02/26/2024 03:56:17 -0.05, 140.76 0.12, 141.49 84.17 80
6 02/28/2024 15:59:23 0.05, 140.69 0.05, 140.75 5.83 80
7 03/02/2024 04:05:19 -0.05, 140.66 -0.23, 139.96 79.82 80
8 03/03/2024 03:43:57 -0.05, 140.63 0.83, 144.48 438.43 80
9 03/04/2024 16:08:26 0.06, 140.59 0.38, 139.21 157.32 80
10 03/05/2024 15:47:04 0.06, 140.56 -0.67, 143.73 360.94 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 2/20/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20240221.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 02/20/2024 in txt file.

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