Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-17 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/27/2023
Index Date Time (GOES-17) GOES-17 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 03/27/2023 08:41:19 0.01,-104.75 0.72,-108.03 373.74 80
2 03/28/2023 08:19:56 0.01,-104.75 -0.30,-103.51 142.28 80
3 03/29/2023 20:41:53 -0.01,-104.75 -0.93,-108.80 462.08 80
4 03/30/2023 20:25:50 -0.01,-104.75 0.10,-104.27 54.32 80
5 04/02/2023 08:28:54 0.02,-104.75 0.10,-105.00 30.04 80
6 04/03/2023 08:07:31 0.02,-104.75 -0.93,-100.48 486.54 80
7 04/04/2023 20:29:28 -0.02,-104.75 -0.27,-105.78 117.24 80
8 04/05/2023 20:13:25 -0.01,-104.76 0.76,-101.25 399.19 80
9 04/07/2023 08:35:14 -0.03,-104.76 0.39,-106.52 201.93 80
10 04/08/2023 08:13:51 -0.02,-104.76 -0.65,-102.00 314.41 80
11 04/09/2023 20:35:48 0.03,-104.75 -0.53,-107.30 290.30 80

Figure of GOES-17 and NPP satellite orbits during SNOs since TLE Epoch: 3/27/2023
SNOs_Map_GOES-17_NPP_20230327.jpg

Download SNOs between GOES-17 and NPP since TLE EPOCH: 03/27/2023 in txt file.

Historical Predications of SNOs between GOES-17 and NPP