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: 8/17/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 08/18/2025 08:06:01 -0.07,-104.71 -0.99,-100.73 454.17 80
2 08/19/2025 20:27:57 0.08,-104.72 -0.23,-106.02 148.68 80
3 08/20/2025 20:11:52 0.08,-104.72 0.80,-101.50 367.60 80
4 08/22/2025 08:33:40 -0.09,-104.70 0.35,-106.77 235.35 80
5 08/23/2025 08:12:15 -0.08,-104.70 -0.62,-102.23 281.10 80
6 08/24/2025 20:34:11 0.09,-104.72 -0.53,-107.54 321.03 80
7 08/25/2025 20:18:06 0.09,-104.73 0.45,-103.00 195.93 80
8 08/27/2025 08:39:54 -0.09,-104.72 0.71,-108.28 405.94 80
9 08/28/2025 08:18:30 -0.09,-104.72 -0.33,-103.75 110.67 80
10 08/29/2025 20:40:25 0.10,-104.73 -0.87,-109.05 491.93 80
11 08/30/2025 20:24:20 0.10,-104.73 0.17,-104.52 24.89 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 8/17/2025
SNOs_Map_GOES-16_NOAA-21_20250818.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 08/17/2025 in txt file.

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