Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 6/18/2023
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 06/19/2023 12:26:16 -0.12,-162.89 0.39,-165.12 254.93 80
2 06/20/2023 12:10:11 -0.10,-163.28 -0.70,-160.61 304.48 80
3 06/22/2023 00:29:29 0.14,-163.87 -0.31,-165.95 235.81 80
4 06/23/2023 00:13:23 0.11,-164.26 0.72,-161.42 323.51 80
5 06/24/2023 12:32:33 -0.15,-164.85 0.25,-166.73 213.53 80
6 06/25/2023 12:16:27 -0.13,-165.23 -0.79,-162.20 345.43 80
7 06/27/2023 00:35:44 0.16,-165.82 -0.22,-167.54 195.85 80
8 06/28/2023 00:19:39 0.14,-166.20 0.83,-163.01 362.72 80
9 06/29/2023 12:38:48 -0.18,-166.78 0.15,-168.32 175.69 80
10 06/30/2023 12:22:43 -0.16,-167.15 -0.90,-163.80 382.07 80
11 07/02/2023 00:42:00 0.20,-167.72 -0.09,-169.14 161.34 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 6/18/2023
SNOs_Map_GOES-15_NPP_20230618.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 06/18/2023 in txt file.

Historical Predications of SNOs between GOES-15 and NPP