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: 8/20/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/20/2025 20:11:53 0.08,-104.72 0.82,-101.50 367.55 80
2 08/22/2025 08:33:40 -0.09,-104.70 0.39,-106.76 235.67 80
3 08/23/2025 08:12:15 -0.09,-104.70 -0.64,-102.24 280.65 80
4 08/24/2025 20:34:11 0.09,-104.72 -0.57,-107.53 321.54 80
5 08/25/2025 20:18:06 0.09,-104.72 0.47,-103.00 195.30 80
6 08/27/2025 08:39:54 -0.09,-104.71 0.69,-108.28 406.84 80
7 08/28/2025 08:18:29 -0.09,-104.71 -0.29,-103.74 109.66 80
8 08/29/2025 20:40:25 0.10,-104.72 -0.85,-109.05 493.01 80
9 08/30/2025 20:24:20 0.10,-104.72 0.13,-104.51 23.63 80
10 09/02/2025 08:27:24 -0.11,-104.71 -0.01,-105.26 62.56 80
11 09/03/2025 08:05:58 -0.11,-104.70 -0.98,-100.72 453.58 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/20/2025
SNOs_Map_GOES-16_NOAA-21_20250821.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 08/20/2025 in txt file.

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