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: 7/18/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/18/2025 20:29:19 0.01,-104.73 0.00,-106.07 149.04 0
2 07/19/2025 20:11:50 0.01,-104.73 0.71,-101.47 370.61 80
3 07/21/2025 08:33:38 -0.01,-104.71 0.42,-106.75 231.73 80
4 07/22/2025 08:12:13 -0.01,-104.71 -0.58,-102.22 284.35 80
5 07/23/2025 20:34:11 0.01,-104.72 -0.60,-107.53 319.10 80
6 07/24/2025 20:18:06 0.01,-104.73 0.42,-103.00 197.36 80
7 07/26/2025 08:39:53 -0.01,-104.72 0.78,-108.26 404.18 80
8 07/27/2025 08:18:29 -0.01,-104.72 -0.23,-103.73 112.47 80
9 07/28/2025 20:40:26 0.01,-104.74 -0.94,-109.04 490.21 80
10 07/29/2025 20:24:22 0.01,-104.74 0.08,-104.51 26.90 80
11 08/01/2025 08:27:25 -0.01,-104.75 0.12,-105.25 57.21 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/18/2025
SNOs_Map_GOES-16_NOAA-21_20250719.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/18/2025 in txt file.

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