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: 5/12/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 05/13/2025 08:26:40 -0.02,-104.40 0.13,-105.04 73.08 80
2 05/14/2025 08:05:16 -0.02,-104.40 -0.89,-100.52 442.58 80
3 05/15/2025 20:27:13 0.02,-104.43 -0.31,-105.83 159.70 80
4 05/16/2025 20:11:10 0.02,-104.43 0.71,-101.30 356.33 80
5 05/18/2025 08:32:59 -0.01,-104.41 0.50,-106.57 247.52 80
6 05/19/2025 08:11:36 -0.01,-104.40 -0.52,-102.05 268.20 80
7 05/20/2025 20:33:33 0.01,-104.42 -0.67,-107.36 334.66 80
8 05/21/2025 20:17:30 0.01,-104.43 0.35,-102.83 181.58 80
9 05/23/2025 08:39:19 -0.01,-104.41 0.85,-108.10 421.29 80
10 05/24/2025 08:17:55 -0.01,-104.41 -0.18,-103.58 94.39 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 5/12/2025
SNOs_Map_GOES-17_NOAA-21_20250513.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 05/12/2025 in txt file.

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