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: 9/20/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/21/2025 20:11:39 0.10,-104.69 0.82,-101.43 370.34 80
2 09/23/2025 08:33:26 -0.10,-104.68 0.35,-106.70 230.12 80
3 09/24/2025 08:12:00 -0.10,-104.69 -0.66,-102.17 286.88 80
4 09/25/2025 20:33:56 0.10,-104.70 -0.50,-107.47 315.10 80
5 09/26/2025 20:17:50 0.10,-104.71 0.51,-102.93 202.12 80
6 09/28/2025 08:39:37 -0.10,-104.70 0.71,-108.19 398.06 80
7 09/29/2025 08:18:12 -0.10,-104.70 -0.36,-103.67 118.61 80
8 09/30/2025 20:40:06 0.10,-104.71 -0.85,-108.96 484.38 80
9 10/01/2025 20:24:01 0.11,-104.71 0.16,-104.42 32.66 80
10 10/04/2025 08:27:03 -0.11,-104.72 -0.03,-105.16 50.02 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/20/2025
SNOs_Map_GOES-16_NOAA-21_20250921.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/20/2025 in txt file.

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