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: 9/21/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/21/2025 20:11:38 0.10,-104.68 0.81,-101.43 370.29 80
2 09/23/2025 08:33:26 -0.10,-104.68 0.36,-106.70 230.19 80
3 09/24/2025 08:12:00 -0.10,-104.68 -0.64,-102.16 286.78 80
4 09/25/2025 20:33:56 0.10,-104.70 -0.51,-107.47 315.31 80
5 09/26/2025 20:17:50 0.10,-104.70 0.50,-102.93 201.85 80
6 09/28/2025 08:39:37 -0.10,-104.70 0.66,-108.20 398.34 80
7 09/29/2025 08:18:12 -0.10,-104.70 -0.35,-103.67 118.28 80
8 09/30/2025 20:40:06 0.10,-104.70 -0.86,-108.96 484.80 80
9 10/01/2025 20:24:01 0.11,-104.71 0.16,-104.42 32.22 80
10 10/04/2025 08:27:03 -0.11,-104.71 -0.03,-105.16 50.52 80
11 10/05/2025 08:05:37 -0.11,-104.71 -1.05,-100.63 466.32 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/21/2025
SNOs_Map_GOES-16_NOAA-21_20250922.jpg

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

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