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: 1/26/2025
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 01/26/2025 04:16:39 -0.01, 140.77 -0.86, 137.01 428.82 80
2 01/27/2025 04:00:31 -0.01, 140.77 0.16, 141.55 88.92 80
3 01/29/2025 16:00:47 0.01, 140.76 0.00, 140.84 8.22 80
4 02/01/2025 04:03:51 -0.00, 140.74 -0.16, 140.09 74.46 80
5 02/02/2025 03:47:43 -0.00, 140.73 0.87, 144.63 444.35 80
6 02/03/2025 16:09:27 0.00, 140.72 0.29, 139.38 152.50 80
7 02/04/2025 15:47:59 0.00, 140.70 -0.75, 143.91 366.51 80
8 02/06/2025 04:09:49 -0.01, 140.68 -0.49, 138.64 233.53 80
9 02/07/2025 03:53:42 -0.01, 140.67 0.55, 143.18 285.88 80
10 02/08/2025 16:15:25 0.01, 140.64 0.59, 137.92 309.91 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 1/26/2025
SNOs_Map_HIMAWARI-9_NOAA-21_20250126.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 01/26/2025 in txt file.

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