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: 4/23/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/25/2025 21:19:00 0.10, 61.44 0.10, 61.45 1.37 80
2 04/28/2025 09:22:16 -0.08, 61.49 -0.28, 60.67 94.63 80
3 04/29/2025 09:06:12 -0.09, 61.51 0.72, 65.20 419.70 80
4 04/30/2025 21:25:22 0.07, 61.52 0.46, 59.93 181.87 80
5 05/01/2025 21:09:18 0.08, 61.53 -0.55, 64.46 332.46 80
6 05/03/2025 09:28:37 -0.07, 61.59 -0.61, 59.14 278.67 80
7 05/04/2025 09:12:34 -0.08, 61.61 0.40, 63.67 235.54 80
8 05/05/2025 21:31:43 0.06, 61.61 0.77, 58.40 366.46 80
9 05/06/2025 21:15:40 0.07, 61.63 -0.24, 62.93 148.03 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/23/2025
SNOs_Map_GOES-15_NPP_20250424.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/23/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP