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: 7/28/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/28/2025 20:40:27 0.03,-104.73 -0.92,-109.04 491.23 80
2 07/29/2025 20:24:22 0.03,-104.73 0.10,-104.51 25.61 80
3 08/01/2025 08:27:25 -0.03,-104.73 0.09,-105.25 59.43 80
4 08/02/2025 08:06:00 -0.03,-104.73 -0.93,-100.72 456.98 80
5 08/03/2025 20:27:58 0.04,-104.74 -0.22,-106.03 146.37 80
6 08/04/2025 20:11:52 0.04,-104.74 0.74,-101.49 370.13 80
7 08/06/2025 08:33:41 -0.05,-104.73 0.40,-106.77 231.88 80
8 08/07/2025 08:12:16 -0.05,-104.73 -0.61,-102.24 284.33 80
9 08/08/2025 20:34:12 0.05,-104.74 -0.58,-107.54 319.43 80
10 08/09/2025 20:18:08 0.05,-104.74 0.45,-103.01 197.13 80
11 08/11/2025 08:39:55 -0.06,-104.73 0.76,-108.28 404.34 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/28/2025
SNOs_Map_GOES-16_NOAA-21_20250729.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/28/2025 in txt file.

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