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: 7/31/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/01/2025 08:27:25 -0.03,-104.73 0.10,-105.25 59.46 80
2 08/02/2025 08:06:00 -0.03,-104.73 -0.92,-100.72 456.88 80
3 08/03/2025 20:27:58 0.04,-104.74 -0.23,-106.03 146.74 80
4 08/04/2025 20:11:53 0.04,-104.74 0.79,-101.50 369.65 80
5 08/06/2025 08:33:40 -0.05,-104.73 0.41,-106.76 232.29 80
6 08/07/2025 08:12:16 -0.05,-104.72 -0.60,-102.23 283.81 80
7 08/08/2025 20:34:12 0.06,-104.73 -0.59,-107.54 320.27 80
8 08/09/2025 20:18:08 0.06,-104.73 0.44,-103.01 196.21 80
9 08/11/2025 08:39:56 -0.06,-104.73 0.71,-108.28 405.15 80
10 08/12/2025 08:18:31 -0.06,-104.72 -0.25,-103.74 111.28 80
11 08/13/2025 20:40:27 0.06,-104.73 -0.93,-109.05 492.88 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/31/2025
SNOs_Map_GOES-16_NOAA-21_20250801.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/31/2025 in txt file.

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