Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/18/2025
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/18/2025 20:33:09 0.02,-104.39 -0.64,-107.25 325.58 80
2 04/19/2025 20:17:03 0.02,-104.39 0.37,-102.71 191.41 80
3 04/21/2025 08:38:48 -0.01,-104.35 0.80,-107.97 412.07 80
4 04/22/2025 08:17:22 -0.01,-104.35 -0.21,-103.43 104.64 80
5 04/23/2025 20:39:15 0.01,-104.38 -0.96,-108.72 495.42 80
6 04/24/2025 20:23:09 0.01,-104.38 0.06,-104.19 21.78 80
7 04/27/2025 08:26:06 -0.01,-104.34 0.14,-104.90 64.45 80
8 04/28/2025 08:04:40 -0.01,-104.33 -0.88,-100.36 452.19 80
9 04/29/2025 20:26:33 0.01,-104.35 -0.26,-105.66 148.45 80
10 04/30/2025 20:10:26 0.01,-104.35 0.71,-101.11 368.44 80
11 05/02/2025 08:32:11 -0.00,-104.32 0.45,-106.37 234.53 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 4/18/2025
SNOs_Map_GOES-17_NOAA-21_20250419.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 04/18/2025 in txt file.

Historical Predications of SNOs between GOES-17 and NOAA-21