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: 7/14/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/16/2025 08:27:21 0.02,-104.71 0.14,-105.22 58.27 80
2 07/17/2025 08:05:56 0.02,-104.71 -0.86,-100.69 458.01 80
3 07/18/2025 20:27:53 -0.02,-104.72 -0.33,-106.00 145.70 80
4 07/19/2025 20:11:49 -0.03,-104.72 0.68,-101.47 370.60 80
5 07/21/2025 08:33:37 0.03,-104.71 0.46,-106.74 231.22 80
6 07/22/2025 08:12:13 0.04,-104.71 -0.55,-102.21 284.77 80
7 07/23/2025 20:34:09 -0.04,-104.71 -0.69,-107.51 319.53 80
8 07/24/2025 20:18:05 -0.04,-104.71 0.32,-102.98 196.83 80
9 07/26/2025 08:39:53 0.04,-104.71 0.82,-108.26 404.26 80
10 07/27/2025 08:18:28 0.04,-104.71 -0.19,-103.72 112.18 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/14/2025
SNOs_Map_GOES-16_NOAA-21_20250715.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/14/2025 in txt file.

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