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: 10/22/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/23/2025 20:11:00 0.02,-104.69 0.81,-101.25 393.31 80
2 10/25/2025 08:32:44 -0.01,-104.69 0.40,-106.49 205.53 80
3 10/26/2025 08:11:18 -0.02,-104.69 -0.61,-101.95 311.09 80
4 10/27/2025 20:33:12 0.01,-104.68 -0.57,-107.25 293.15 80
5 10/28/2025 20:17:06 0.02,-104.68 0.44,-102.71 223.87 80
6 10/30/2025 08:38:51 -0.01,-104.68 0.70,-107.97 374.30 80
7 10/31/2025 08:17:24 -0.02,-104.68 -0.31,-103.43 142.43 80
8 11/01/2025 20:39:18 0.01,-104.66 -0.91,-108.72 462.17 80
9 11/02/2025 20:23:11 0.01,-104.66 0.10,-104.18 55.13 80
10 11/05/2025 08:26:09 0.00,-104.67 0.06,-104.89 25.30 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/22/2025
SNOs_Map_GOES-16_NOAA-21_20251023.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 10/22/2025 in txt file.

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