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: 8/11/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/12/2025 08:18:31 -0.06,-104.73 -0.29,-103.75 111.89 80
2 08/13/2025 20:40:27 0.06,-104.74 -0.89,-109.05 491.36 80
3 08/14/2025 20:24:23 0.06,-104.74 0.14,-104.52 25.24 80
4 08/17/2025 08:27:26 -0.07,-104.72 0.04,-105.26 61.46 80
5 08/18/2025 08:06:01 -0.07,-104.71 -0.99,-100.73 454.33 80
6 08/19/2025 20:27:57 0.08,-104.72 -0.24,-106.03 149.68 80
7 08/20/2025 20:11:52 0.08,-104.72 0.80,-101.50 366.59 80
8 08/22/2025 08:33:40 -0.09,-104.71 0.36,-106.77 235.34 80
9 08/23/2025 08:12:15 -0.09,-104.70 -0.61,-102.23 281.09 80
10 08/24/2025 20:34:11 0.09,-104.71 -0.53,-107.54 322.20 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/11/2025
SNOs_Map_GOES-16_NOAA-21_20250812.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 08/11/2025 in txt file.

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