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: 4/18/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/19/2025 21:31:21 0.10, 61.38 0.74, 58.44 334.42 80
2 04/20/2025 21:15:17 0.11, 61.39 -0.25, 62.97 180.43 80
3 04/22/2025 09:34:37 -0.09, 61.44 -0.95, 57.66 430.72 80
4 04/23/2025 09:18:33 -0.10, 61.46 0.04, 62.20 83.88 80
5 04/25/2025 21:19:58 0.10, 61.46 0.09, 61.44 2.15 22
6 04/28/2025 09:22:16 -0.08, 61.54 -0.27, 60.66 99.79 80
7 04/29/2025 09:06:12 -0.09, 61.56 0.73, 65.19 413.93 80
8 04/30/2025 21:25:22 0.07, 61.57 0.45, 59.92 188.20 80
9 05/01/2025 21:09:18 0.08, 61.60 -0.55, 64.45 325.48 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/18/2025
SNOs_Map_GOES-15_NPP_20250419.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/18/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP