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: 9/23/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/24/2025 08:12:00 -0.10,-104.68 -0.64,-102.16 286.87 80
2 09/25/2025 20:33:55 0.10,-104.70 -0.51,-107.47 315.40 80
3 09/26/2025 20:17:50 0.10,-104.70 0.50,-102.93 201.74 80
4 09/28/2025 08:39:36 -0.10,-104.70 0.70,-108.19 398.34 80
5 09/29/2025 08:18:11 -0.10,-104.70 -0.31,-103.65 118.27 80
6 09/30/2025 20:40:06 0.10,-104.70 -0.83,-108.96 484.96 80
7 10/01/2025 20:24:01 0.11,-104.70 0.19,-104.43 32.12 80
8 10/04/2025 08:27:01 -0.11,-104.71 -0.03,-105.15 50.49 80
9 10/05/2025 08:05:36 -0.11,-104.71 -1.06,-100.62 466.36 80
10 10/06/2025 20:27:30 0.11,-104.71 -0.14,-105.91 136.72 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/23/2025
SNOs_Map_GOES-16_NOAA-21_20250924.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/23/2025 in txt file.

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