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: 1/16/2025
Index Date Time (HIMAWARI-9) HIMAWARI-9 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 01/16/2025 04:04:37 0.02, 140.78 -0.16, 139.92 96.60 80
2 01/17/2025 03:48:30 0.02, 140.76 0.84, 144.47 422.70 80
3 01/18/2025 16:10:14 -0.02, 140.73 0.34, 139.21 173.68 80
4 01/19/2025 15:48:47 -0.02, 140.71 -0.72, 143.74 345.90 80
5 01/21/2025 04:10:39 0.02, 140.68 -0.50, 138.46 253.07 80
6 01/22/2025 03:54:32 0.02, 140.65 0.56, 142.99 267.03 80
7 01/23/2025 16:16:17 -0.02, 140.61 0.60, 137.73 328.06 80
8 01/24/2025 15:54:49 -0.03, 140.59 -0.41, 142.27 191.93 80
9 01/26/2025 04:16:41 0.03, 140.55 -0.74, 136.98 406.87 80
10 01/27/2025 04:00:34 0.03, 140.53 0.27, 141.52 113.57 80
11 01/28/2025 16:22:18 -0.04, 140.48 0.88, 136.26 480.36 80
12 01/29/2025 16:00:51 -0.04, 140.45 -0.14, 140.80 40.34 80

Figure of HIMAWARI-9 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 1/16/2025
SNOs_Map_HIMAWARI-9_NOAA-21_20250116.jpg

Download SNOs between HIMAWARI-9 and NOAA-21 since TLE EPOCH: 01/16/2025 in txt file.

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