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: 4/13/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/14/2025 21:24:57 0.11, 61.33 0.43, 59.98 154.00 80
2 04/15/2025 21:08:54 0.11, 61.33 -0.61, 64.50 361.04 80
3 04/17/2025 09:28:14 -0.10, 61.39 -0.60, 59.19 250.98 80
4 04/18/2025 09:12:10 -0.11, 61.41 0.39, 63.72 263.56 80
5 04/19/2025 21:31:21 0.10, 61.39 0.76, 58.44 335.88 80
6 04/20/2025 21:15:17 0.11, 61.41 -0.23, 62.98 178.60 80
7 04/22/2025 09:34:36 -0.10, 61.47 -0.96, 57.67 433.85 80
8 04/23/2025 09:18:33 -0.10, 61.49 0.03, 62.20 80.38 80
9 04/25/2025 21:19:00 0.10, 61.50 0.11, 61.45 5.82 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/13/2025
SNOs_Map_GOES-15_NPP_20250414.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/13/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP