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: 5/20/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/21/2025 21:32:01 -0.00, 61.63 0.70, 58.37 371.33 80
2 05/22/2025 21:15:56 0.01, 61.61 -0.26, 62.91 147.10 80
3 05/24/2025 09:35:15 0.02, 61.56 -0.89, 57.59 452.78 80
4 05/25/2025 09:19:11 0.01, 61.55 0.14, 62.12 65.06 80
5 05/27/2025 21:19:37 -0.03, 61.55 -0.01, 61.37 20.25 80
6 05/28/2025 21:03:33 -0.01, 61.55 -0.99, 65.91 497.36 80
7 05/30/2025 09:22:51 0.04, 61.51 -0.15, 60.60 103.53 80
8 05/31/2025 09:06:47 0.03, 61.50 0.83, 65.14 413.92 80
9 06/01/2025 21:25:56 -0.06, 61.52 0.33, 59.86 189.24 80
10 06/02/2025 21:09:52 -0.04, 61.51 -0.70, 64.39 328.38 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 5/20/2025
SNOs_Map_GOES-15_NPP_20250521.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 05/20/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP