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: 9/14/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 09/14/2025 20:40:18 0.11,-104.67 -0.85,-109.01 495.05 80
2 09/15/2025 20:24:12 0.12,-104.66 0.15,-104.47 21.40 80
3 09/18/2025 08:27:15 -0.12,-104.64 -0.03,-105.22 64.97 80
4 09/19/2025 08:05:50 -0.13,-104.64 -1.03,-100.68 451.64 80
5 09/20/2025 20:27:44 0.13,-104.66 -0.19,-105.97 149.55 80
6 09/21/2025 20:11:40 0.13,-104.67 0.87,-101.45 367.70 80
7 09/23/2025 08:33:26 -0.12,-104.66 0.36,-106.70 233.61 80
8 09/24/2025 08:12:01 -0.13,-104.66 -0.70,-102.18 283.20 80
9 09/25/2025 20:33:56 0.12,-104.68 -0.51,-107.47 318.60 80
10 09/26/2025 20:17:50 0.13,-104.68 0.49,-102.93 198.45 80
11 09/28/2025 08:39:38 -0.12,-104.67 0.67,-108.20 402.53 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 9/14/2025
SNOs_Map_GOES-16_NOAA-21_20250915.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 09/14/2025 in txt file.

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