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: 1/8/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 01/08/2024 04:15:19 -0.01, 140.76 -0.88, 136.83 447.61 80
2 01/09/2024 03:59:13 -0.01, 140.77 0.11, 141.37 68.47 80
3 01/11/2024 16:02:16 0.01, 140.78 0.01, 140.63 16.37 80
4 01/14/2024 04:02:46 0.00, 140.78 -0.22, 139.87 104.41 80
5 01/15/2024 03:46:42 0.01, 140.78 0.84, 144.40 412.56 80
6 01/16/2024 16:08:28 -0.01, 140.77 0.38, 139.14 186.23 80
7 01/17/2024 15:47:03 -0.01, 140.76 -0.68, 143.67 331.23 80
8 01/19/2024 04:08:59 0.01, 140.76 -0.51, 138.37 271.86 80
9 01/20/2024 03:52:53 0.01, 140.75 0.49, 142.91 245.93 80
10 01/21/2024 16:14:41 -0.02, 140.73 0.66, 137.64 351.76 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 1/8/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20240108.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 01/08/2024 in txt file.

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