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: 6/27/2023
Index Date Time (GOES-17) GOES-17 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 06/27/2023 20:27:18 -0.02,-104.72 0.00,-105.88 128.72 0
2 06/28/2023 20:09:48 0.02,-104.73 0.76,-101.29 391.03 80
3 06/30/2023 08:31:36 -0.02,-104.75 0.39,-106.56 207.40 80
4 07/01/2023 08:10:10 -0.02,-104.74 -0.61,-102.03 309.01 80
5 07/02/2023 20:32:06 0.02,-104.73 -0.54,-107.34 297.30 80
6 07/03/2023 20:16:01 0.02,-104.73 0.46,-102.81 219.28 80
7 07/05/2023 08:37:47 -0.02,-104.74 0.74,-108.07 379.09 80
8 07/06/2023 08:16:22 -0.01,-104.74 -0.26,-103.53 137.42 80
9 07/07/2023 20:38:17 0.00,-104.72 -0.93,-108.83 468.92 80
10 07/08/2023 20:22:12 -0.01,-104.72 0.08,-104.30 48.22 80
11 07/11/2023 08:25:13 0.00,-104.76 0.05,-105.04 32.17 80

Figure of GOES-17 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 6/27/2023
SNOs_Map_GOES-17_NOAA-21_20230628.jpg

Download SNOs between GOES-17 and NOAA-21 since TLE EPOCH: 06/27/2023 in txt file.

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