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: 5/2/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/03/2025 09:28:37 -0.07, 61.55 -0.63, 59.15 274.28 80
2 05/04/2025 09:12:33 -0.08, 61.56 0.38, 63.68 240.41 80
3 05/05/2025 21:31:43 0.06, 61.57 0.79, 58.40 361.25 80
4 05/06/2025 21:15:39 0.07, 61.58 -0.22, 62.93 153.71 80
5 05/08/2025 09:34:57 -0.05, 61.62 -0.98, 57.63 455.76 80
6 05/09/2025 09:18:54 -0.06, 61.64 0.04, 62.16 58.84 80
7 05/11/2025 21:19:20 0.05, 61.67 0.10, 61.41 29.38 80
8 05/12/2025 21:03:16 0.06, 61.69 -0.92, 65.94 484.90 80
9 05/14/2025 09:22:35 -0.03, 61.74 -0.26, 60.63 125.59 80
10 05/15/2025 09:06:30 -0.04, 61.76 0.71, 65.17 388.15 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 5/2/2025
SNOs_Map_GOES-15_NPP_20250503.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 05/02/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP