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: 3/25/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/26/2025 08:26:56 -0.02,-104.38 0.12,-105.09 80.51 80
2 03/27/2025 08:05:30 -0.02,-104.38 -0.89,-100.55 436.30 80
3 03/28/2025 20:27:26 0.02,-104.41 -0.28,-105.85 163.58 80
4 03/29/2025 20:11:19 0.02,-104.42 0.68,-101.31 353.40 80
5 03/31/2025 08:33:05 -0.02,-104.38 0.46,-106.58 250.12 80
6 04/01/2025 08:11:40 -0.02,-104.38 -0.58,-102.05 266.48 80
7 04/02/2025 20:33:34 0.02,-104.41 -0.63,-107.34 334.03 80
8 04/03/2025 20:17:28 0.02,-104.41 0.36,-102.80 182.81 80
9 04/05/2025 08:39:13 -0.01,-104.38 0.83,-108.06 420.39 80
10 04/06/2025 08:17:48 -0.01,-104.37 -0.22,-103.53 96.50 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/25/2025
SNOs_Map_GOES-17_NOAA-21_20250326.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 03/25/2025 in txt file.

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