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: 7/26/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/27/2024 15:48:28 -0.00, 140.75 -0.65, 143.71 336.68 80
2 07/29/2024 04:10:26 0.01, 140.75 -0.51, 138.40 267.63 80
3 07/30/2024 03:54:22 0.01, 140.74 0.47, 142.94 249.37 80
4 07/31/2024 16:16:11 -0.01, 140.73 0.67, 137.66 349.50 80
5 08/01/2024 15:54:48 -0.01, 140.72 -0.37, 142.19 167.77 80
6 08/03/2024 04:16:45 0.01, 140.71 -0.83, 136.88 435.50 80
7 08/04/2024 04:00:40 0.01, 140.69 0.16, 141.42 82.56 80
8 08/06/2024 16:01:05 -0.01, 140.64 -0.01, 140.68 4.40 80
9 08/09/2024 04:04:18 0.00, 140.59 -0.17, 139.91 77.98 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/26/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20240727.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 07/26/2024 in txt file.

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