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: 12/19/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 12/20/2024 04:11:46 -0.01, 140.75 -0.56, 138.25 285.39 80
2 12/21/2024 03:55:40 -0.00, 140.75 0.43, 142.79 232.12 80
3 12/22/2024 16:17:26 0.00, 140.74 0.73, 137.52 366.78 80
4 12/23/2024 15:55:59 0.00, 140.73 -0.26, 142.06 151.18 80
5 12/25/2024 04:17:54 -0.00, 140.71 -0.88, 136.75 450.60 80
6 12/26/2024 04:01:47 -0.01, 140.70 0.11, 141.29 67.77 80
7 12/28/2024 16:04:47 0.00, 140.66 0.04, 140.56 11.74 80
8 12/31/2024 04:05:15 0.00, 140.63 -0.16, 139.79 94.55 80
9 01/01/2025 03:49:08 0.01, 140.61 0.85, 144.33 424.32 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/19/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20241219.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 12/19/2024 in txt file.

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