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: 4/17/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/18/2025 09:12:11 -0.11, 61.39 0.43, 63.72 264.99 80
2 04/19/2025 21:31:20 0.10, 61.38 0.77, 58.45 334.60 80
3 04/20/2025 21:15:18 0.11, 61.39 -0.27, 62.97 180.21 80
4 04/22/2025 09:34:37 -0.09, 61.45 -0.92, 57.66 431.13 80
5 04/23/2025 09:18:34 -0.10, 61.46 0.07, 62.19 83.40 80
6 04/25/2025 21:18:59 0.10, 61.47 0.12, 61.45 3.56 80
7 04/28/2025 09:22:15 -0.08, 61.55 -0.30, 60.67 100.58 80
8 04/29/2025 09:06:12 -0.09, 61.57 0.71, 65.20 413.10 80
9 04/30/2025 21:25:21 0.07, 61.58 0.47, 59.93 189.08 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/17/2025
SNOs_Map_GOES-15_NPP_20250418.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/17/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP