Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-16 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 11/1/2025
Index Date Time (GOES-16) GOES-16 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 11/01/2025 20:39:18 0.02,-104.68 -0.88,-108.72 460.40 80
2 11/02/2025 20:23:12 0.02,-104.68 0.14,-104.18 57.29 80
3 11/05/2025 08:26:10 -0.00,-104.69 0.02,-104.89 22.86 80
4 11/06/2025 08:04:43 -0.00,-104.69 -0.99,-100.36 494.14 80
5 11/07/2025 20:26:37 -0.01,-104.67 -0.23,-105.64 110.26 80
6 11/08/2025 20:10:30 -0.00,-104.67 0.79,-101.10 406.88 80
7 11/10/2025 08:32:14 0.01,-104.68 0.37,-106.36 190.61 80
8 11/11/2025 08:10:48 0.00,-104.68 -0.65,-101.82 326.23 80
9 11/12/2025 20:32:41 -0.01,-104.66 -0.56,-107.10 278.40 80
10 11/13/2025 20:16:35 -0.00,-104.66 0.47,-102.57 239.35 80
11 11/15/2025 08:38:19 0.01,-104.69 0.69,-107.82 356.27 80

Figure of GOES-16 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 11/1/2025
SNOs_Map_GOES-16_NOAA-21_20251102.jpg

Download SNOs between GOES-16 and NOAA-21 since TLE EPOCH: 11/01/2025 in txt file.

Historical Predications of SNOs between GOES-16 and NOAA-21