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: 6/12/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 06/14/2025 08:27:06 -0.01,-104.40 0.13,-105.16 85.72 80
2 06/15/2025 08:05:42 -0.01,-104.40 -0.85,-100.63 430.00 80
3 06/16/2025 20:27:39 0.01,-104.41 -0.35,-105.93 174.49 80
4 06/17/2025 20:11:36 0.01,-104.41 0.69,-101.41 341.91 80
5 06/19/2025 08:33:24 -0.00,-104.41 0.48,-106.68 258.85 80
6 06/20/2025 08:12:00 -0.01,-104.40 -0.51,-102.15 256.92 80
7 06/21/2025 20:33:57 0.00,-104.40 -0.70,-107.46 348.69 80
8 06/22/2025 20:17:53 0.00,-104.40 0.35,-102.93 167.46 80
9 06/24/2025 08:39:41 0.00,-104.40 0.87,-108.19 432.89 80
10 06/25/2025 08:18:17 0.01,-104.39 -0.18,-103.67 82.66 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/12/2025
SNOs_Map_GOES-17_NOAA-21_20250613.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/12/2025 in txt file.

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