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: 7/19/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/19/2025 20:11:50 0.01,-104.73 0.76,-101.48 370.69 80
2 07/21/2025 08:33:38 -0.01,-104.71 0.43,-106.75 231.88 80
3 07/22/2025 08:12:13 -0.01,-104.71 -0.58,-102.22 284.17 80
4 07/23/2025 20:34:11 0.01,-104.72 -0.60,-107.53 319.12 80
5 07/24/2025 20:18:06 0.01,-104.73 0.41,-103.00 197.33 80
6 07/26/2025 08:39:53 -0.01,-104.71 0.79,-108.26 404.39 80
7 07/27/2025 08:18:29 -0.01,-104.72 -0.22,-103.73 112.29 80
8 07/28/2025 20:40:26 0.01,-104.74 -0.95,-109.04 490.22 80
9 07/29/2025 20:24:22 0.00,-104.74 0.06,-104.51 26.83 80
10 08/01/2025 08:27:25 -0.01,-104.74 0.13,-105.24 57.49 80
11 08/02/2025 08:06:00 -0.01,-104.75 -0.88,-100.71 459.21 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/19/2025
SNOs_Map_GOES-16_NOAA-21_20250720.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 07/19/2025 in txt file.

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