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: 9/30/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/30/2025 20:40:05 0.08,-104.69 -0.87,-108.95 485.13 80
2 10/01/2025 20:24:00 0.08,-104.69 0.15,-104.41 31.62 80
3 10/04/2025 08:27:01 -0.09,-104.69 -0.00,-105.14 51.52 80
4 10/05/2025 08:05:35 -0.09,-104.69 -1.03,-100.61 465.11 80
5 10/06/2025 20:27:29 0.08,-104.68 -0.22,-105.89 138.44 80
6 10/07/2025 20:11:23 0.09,-104.68 0.82,-101.36 378.56 80
7 10/09/2025 08:33:09 -0.08,-104.69 0.33,-106.63 220.77 80
8 10/10/2025 08:11:43 -0.08,-104.68 -0.65,-102.08 295.52 80
9 10/11/2025 20:33:37 0.07,-104.66 -0.53,-107.38 309.23 80
10 10/12/2025 20:17:31 0.08,-104.66 0.46,-102.84 207.33 80
11 10/14/2025 08:39:17 -0.07,-104.66 0.67,-108.11 391.52 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/30/2025
SNOs_Map_GOES-16_NOAA-21_20251001.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/30/2025 in txt file.

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