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: 11/21/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 11/22/2025 09:27:57 -0.01, 61.67 -0.21, 60.67 113.51 80
2 11/23/2025 09:06:36 0.05, 61.66 0.84, 65.19 402.68 80
3 11/24/2025 21:31:06 0.05, 61.61 0.43, 59.93 190.80 80
4 11/25/2025 21:09:45 -0.01, 61.60 -0.62, 64.45 324.15 80
5 11/27/2025 09:34:23 -0.09, 61.62 -0.67, 59.16 281.12 80
6 11/28/2025 09:13:02 -0.03, 61.61 0.45, 63.66 234.69 80
7 11/29/2025 21:37:32 0.13, 61.55 0.87, 58.42 357.74 80
8 11/30/2025 21:16:11 0.08, 61.55 -0.25, 62.92 156.90 80
9 12/02/2025 09:40:49 -0.18, 61.59 -1.09, 57.64 450.58 80
10 12/03/2025 09:19:28 -0.13, 61.59 0.02, 62.15 64.56 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 11/21/2025
SNOs_Map_GOES-15_NPP_20251122.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 11/21/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NPP