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: 12/23/2024
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 12/23/2024 15:56:00 0.01, 140.76 -0.30, 142.05 147.67 80
2 12/25/2024 04:17:53 -0.01, 140.77 -0.91, 136.76 456.51 80
3 12/26/2024 04:01:47 -0.01, 140.76 0.09, 141.30 60.63 80
4 12/28/2024 16:04:47 0.02, 140.76 0.06, 140.57 21.34 80
5 12/29/2024 15:43:20 0.02, 140.75 -0.94, 145.11 495.82 80
6 12/31/2024 04:05:13 -0.02, 140.76 -0.24, 139.81 107.60 80
7 01/01/2025 03:49:07 -0.02, 140.75 0.77, 144.35 409.98 80
8 01/02/2025 16:10:52 0.03, 140.73 0.42, 139.09 188.02 80
9 01/03/2025 15:49:27 0.02, 140.73 -0.65, 143.61 329.86 80
10 01/05/2025 04:13:59 -0.03, 140.72 -0.57, 138.33 272.40 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/23/2024
SNOs_Map_HIMAWARI-9_NOAA-21_20241223.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 12/23/2024 in txt file.

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