Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/15/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/16/2025 08:32:43 -0.02,-104.37 0.43,-106.50 242.33 80
2 04/17/2025 08:11:16 -0.03,-104.36 -0.57,-101.96 274.28 80
3 04/18/2025 20:33:10 0.02,-104.39 -0.62,-107.25 325.82 80
4 04/19/2025 20:17:03 0.02,-104.39 0.39,-102.71 191.09 80
5 04/21/2025 08:38:49 -0.01,-104.35 0.78,-107.97 412.25 80
6 04/22/2025 08:17:22 -0.01,-104.35 -0.23,-103.43 104.43 80
7 04/23/2025 20:39:14 0.00,-104.37 -1.00,-108.72 495.95 80
8 04/24/2025 20:23:08 0.01,-104.37 0.02,-104.18 21.30 80
9 04/27/2025 08:26:07 -0.01,-104.33 0.12,-104.90 64.88 80
10 04/28/2025 08:04:40 -0.01,-104.33 -0.90,-100.37 451.66 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/15/2025
SNOs_Map_GOES-17_NOAA-21_20250416.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/15/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21