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: 10/19/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 10/20/2025 08:26:37 -0.04,-104.69 0.07,-105.02 38.28 80
2 10/21/2025 08:05:12 -0.04,-104.69 -0.99,-100.49 478.83 80
3 10/22/2025 20:27:06 0.03,-104.69 -0.20,-105.79 124.09 80
4 10/23/2025 20:11:00 0.03,-104.69 0.80,-101.25 393.22 80
5 10/25/2025 08:32:44 -0.02,-104.69 0.40,-106.49 205.60 80
6 10/26/2025 08:11:19 -0.02,-104.69 -0.66,-101.97 311.05 80
7 10/27/2025 20:33:12 0.01,-104.68 -0.57,-107.25 293.03 80
8 10/28/2025 20:17:05 0.02,-104.68 0.44,-102.71 224.04 80
9 10/30/2025 08:38:51 -0.01,-104.69 0.70,-107.97 374.08 80
10 10/31/2025 08:17:24 -0.02,-104.68 -0.32,-103.43 142.66 80
11 11/01/2025 20:39:18 0.01,-104.67 -0.91,-108.72 461.78 80
12 11/02/2025 20:23:11 0.01,-104.67 0.11,-104.18 55.55 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 10/19/2025
SNOs_Map_GOES-16_NOAA-21_20251020.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 10/19/2025 in txt file.

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