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: 9/22/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/23/2025 08:33:26 -0.10,-104.68 0.33,-106.71 230.16 80
2 09/24/2025 08:12:01 -0.10,-104.68 -0.68,-102.17 286.79 80
3 09/25/2025 20:33:55 0.10,-104.70 -0.54,-107.46 315.41 80
4 09/26/2025 20:17:50 0.10,-104.70 0.47,-102.92 201.76 80
5 09/28/2025 08:39:37 -0.10,-104.70 0.68,-108.20 398.40 80
6 09/29/2025 08:18:11 -0.10,-104.70 -0.33,-103.66 118.17 80
7 09/30/2025 20:40:06 0.10,-104.70 -0.88,-108.95 484.99 80
8 10/01/2025 20:24:01 0.11,-104.70 0.20,-104.43 32.13 80
9 10/04/2025 08:27:02 -0.11,-104.71 -0.02,-105.16 50.64 80
10 10/05/2025 08:05:37 -0.11,-104.71 -1.04,-100.62 466.15 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/22/2025
SNOs_Map_GOES-16_NOAA-21_20250923.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/22/2025 in txt file.

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