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: 1/20/2026
Index Date Time (GOES-15) GOES-15 Lat,Lon NOAA-20 Lat,Lon Distance(km) Time Diff (sec)
1 01/21/2026 09:25:09 -0.79, 61.47 -0.95, 60.69 88.62 80
2 01/22/2026 09:03:46 -0.75, 61.48 0.10, 65.22 426.46 80
3 01/23/2026 21:28:13 0.82, 61.41 1.17, 59.97 164.66 80
4 01/24/2026 21:06:49 0.78, 61.42 0.12, 64.49 349.51 80
5 01/26/2026 09:31:25 -0.85, 61.53 -1.40, 59.22 264.73 80
6 01/27/2026 09:10:01 -0.82, 61.54 -0.34, 63.74 249.68 80
7 01/28/2026 21:34:30 0.88, 61.48 1.55, 58.48 342.09 80
8 01/29/2026 21:13:06 0.85, 61.50 0.49, 63.00 171.40 80
9 01/31/2026 09:37:40 -0.91, 61.63 -1.81, 57.73 444.95 80
10 02/01/2026 09:16:17 -0.88, 61.65 -0.75, 62.26 69.12 80

Figure of GOES-15 and NOAA-20 satellite orbits during SNOs since TLE Epoch: 1/20/2026
SNOs_Map_GOES-15_NOAA-20_20260121.jpg

Download SNOs between GOES-15 and NOAA-20 since TLE EPOCH: 01/20/2026 in txt file.

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