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: 3/23/2023
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 03/23/2023 20:26:41 -0.00,-104.75 -0.25,-105.87 127.72 80
2 03/24/2023 20:10:36 -0.00,-104.75 0.78,-101.34 389.91 80
3 03/26/2023 08:32:22 0.01,-104.76 0.39,-106.60 209.78 80
4 03/27/2023 08:10:55 0.01,-104.76 -0.58,-102.06 307.64 80
5 03/28/2023 20:32:50 -0.02,-104.78 -0.62,-107.36 294.55 80
6 03/29/2023 20:16:44 -0.02,-104.79 0.42,-102.83 223.14 80
7 03/31/2023 08:38:30 0.03,-104.79 0.79,-108.09 376.00 80
8 04/01/2023 08:17:04 0.03,-104.80 -0.25,-103.56 141.55 80
9 04/02/2023 20:38:58 -0.03,-104.81 -0.93,-108.86 460.69 80
10 04/03/2023 20:22:52 -0.03,-104.82 0.06,-104.32 57.33 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/23/2023
SNOs_Map_GOES-17_NOAA-21_20230323.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 03/23/2023 in txt file.

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