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: 12/29/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 12/29/2024 15:43:20 0.02, 140.76 -0.93, 145.11 495.68 80
2 12/31/2024 04:05:13 -0.02, 140.75 -0.25, 139.82 107.03 80
3 01/01/2025 03:49:06 -0.02, 140.75 0.77, 144.35 410.56 80
4 01/02/2025 16:10:52 0.01, 140.74 0.41, 139.09 188.10 80
5 01/03/2025 15:49:25 0.01, 140.73 -0.61, 143.63 329.81 80
6 01/05/2025 04:13:59 -0.01, 140.71 -0.54, 138.33 271.63 80
7 01/06/2025 03:52:32 -0.00, 140.70 0.48, 142.86 246.93 80
8 01/07/2025 16:16:57 0.01, 140.67 0.68, 137.60 349.92 80
9 01/08/2025 15:55:30 0.01, 140.66 -0.29, 142.15 168.84 80
10 01/10/2025 04:20:03 -0.02, 140.64 -0.84, 136.84 431.75 80
11 01/11/2025 03:58:36 -0.02, 140.62 0.14, 141.39 87.38 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/29/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20241229.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 12/29/2024 in txt file.

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