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: 5/3/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/04/2025 09:12:34 -0.08, 61.56 0.42, 63.67 240.59 80
2 05/05/2025 21:31:43 0.06, 61.57 0.75, 58.40 361.26 80
3 05/06/2025 21:15:39 0.07, 61.58 -0.20, 62.94 153.70 80
4 05/08/2025 09:34:58 -0.05, 61.62 -0.94, 57.62 455.70 80
5 05/09/2025 09:18:55 -0.06, 61.64 0.08, 62.15 58.91 80
6 05/11/2025 21:19:20 0.05, 61.67 0.13, 61.42 29.63 80
7 05/12/2025 21:03:16 0.06, 61.69 -0.89, 65.94 484.70 80
8 05/14/2025 09:22:34 -0.03, 61.74 -0.28, 60.64 125.69 80
9 05/15/2025 09:06:31 -0.04, 61.76 0.74, 65.16 388.00 80
10 05/16/2025 21:25:40 0.02, 61.80 0.42, 59.89 216.61 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 5/3/2025
SNOs_Map_GOES-15_NPP_20250504.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 05/03/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP