Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-16 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 7/11/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/12/2025 20:40:23 0.02,-104.72 -0.93,-109.03 490.81 80
2 07/13/2025 20:24:18 0.02,-104.72 0.07,-104.49 25.48 80
3 07/16/2025 08:27:21 -0.01,-104.71 0.12,-105.23 59.37 80
4 07/17/2025 08:05:57 -0.01,-104.71 -0.88,-100.70 456.71 80
5 07/18/2025 20:27:55 0.01,-104.71 -0.25,-106.02 147.82 80
6 07/19/2025 20:11:50 0.01,-104.71 0.76,-101.48 368.36 80
7 07/21/2025 08:33:38 -0.00,-104.70 0.44,-106.75 233.17 80
8 07/22/2025 08:12:13 -0.00,-104.70 -0.56,-102.22 282.62 80
9 07/23/2025 20:34:10 -0.00,-104.69 -0.62,-107.53 322.38 80
10 07/24/2025 20:18:06 -0.00,-104.69 0.39,-103.00 193.81 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/11/2025
SNOs_Map_GOES-16_NOAA-21_20250712.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/11/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NOAA-21