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: 4/24/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/25/2025 21:21:40 0.10, 61.43 0.07, 61.44 3.44 80
2 04/28/2025 09:22:16 -0.08, 61.49 -0.24, 60.66 94.29 80
3 04/29/2025 09:06:13 -0.09, 61.51 0.76, 65.19 420.15 80
4 04/30/2025 21:25:22 0.07, 61.51 0.42, 59.92 181.36 80
5 05/01/2025 21:09:19 0.08, 61.53 -0.59, 64.45 333.03 80
6 05/03/2025 09:28:37 -0.07, 61.58 -0.63, 59.14 277.93 80
7 05/04/2025 09:12:33 -0.08, 61.60 0.38, 63.67 236.35 80
8 05/05/2025 21:31:43 0.06, 61.61 0.79, 58.40 365.59 80
9 05/06/2025 21:15:39 0.07, 61.63 -0.23, 62.93 148.96 80
10 05/08/2025 09:34:58 -0.05, 61.67 -0.96, 57.62 461.40 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/24/2025
SNOs_Map_GOES-15_NPP_20250425.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/24/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP