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: 6/17/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 06/17/2025 20:12:06 -0.01,-102.32 2.49,-101.81 283.91 80
2 06/20/2025 08:11:47 0.02,-100.95 0.22,-101.98 117.35 80
3 06/21/2025 07:55:41 0.01,-100.41 -0.65, -97.42 340.25 80
4 06/22/2025 20:14:56 0.02, -99.60 -0.67,-102.70 353.82 80
5 06/23/2025 19:58:49 0.02, -99.06 0.20, -98.14 103.75 80
6 06/26/2025 07:59:08 -0.02, -97.68 0.26, -98.82 130.25 80
7 06/27/2025 07:43:03 -0.01, -97.14 -0.68, -94.27 327.79 80
8 06/28/2025 20:02:17 0.00, -96.34 -0.70, -99.54 364.65 80
9 06/29/2025 19:46:11 -0.01, -95.80 0.18, -94.98 93.80 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/17/2025
SNOs_Map_GOES-17_NOAA-21_20250618.jpg

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

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