Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NOAA-20 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/11/2025
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 10/12/2025 09:13:59 0.46, 61.38 0.64, 62.25 98.75 80
2 10/14/2025 21:16:59 -0.44, 61.43 -0.46, 61.54 11.97 80
3 10/17/2025 09:22:46 0.41, 61.44 0.24, 60.80 73.62 80
4 10/18/2025 09:01:20 0.45, 61.44 1.29, 65.33 442.42 80
5 10/19/2025 21:25:45 -0.38, 61.47 -0.08, 60.08 157.99 80
6 10/20/2025 21:04:20 -0.42, 61.48 -1.14, 64.61 356.69 80
7 10/22/2025 09:28:52 0.34, 61.49 -0.13, 59.34 245.75 80
8 10/23/2025 09:07:27 0.39, 61.50 0.93, 63.87 269.66 80
9 10/24/2025 21:31:51 -0.31, 61.52 0.33, 58.63 330.00 80
10 10/25/2025 21:10:26 -0.35, 61.55 -0.73, 63.16 183.80 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 10/11/2025
SNOs_Map_GOES-15_NOAA-20_20251012.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 10/11/2025 in txt file.

Historical Predications of SNOs between GOES-15 and NOAA-20