Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-18 and NOAA-21 Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 3/31/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 04/01/2025 22:36:56 -0.00,-137.00 -0.12,-137.59 66.89 80
2 04/02/2025 22:15:30 -0.00,-137.00 0.86,-133.05 449.78 80
3 04/04/2025 10:39:56 0.01,-136.99 0.28,-138.32 150.62 80
4 04/05/2025 10:18:29 0.01,-136.99 -0.69,-133.78 365.86 80
5 04/06/2025 22:43:04 -0.02,-136.98 -0.50,-139.07 238.50 80
6 04/07/2025 22:21:38 -0.02,-136.98 0.55,-134.54 277.92 80
7 04/09/2025 10:46:03 0.02,-136.97 0.65,-139.80 322.86 80
8 04/10/2025 10:24:37 0.02,-136.96 -0.34,-135.26 193.42 80
9 04/11/2025 22:49:11 -0.02,-136.95 -0.83,-140.56 411.24 80
10 04/12/2025 22:27:45 -0.02,-136.94 0.17,-136.02 104.78 80
11 04/14/2025 10:49:30 0.03,-136.92 1.02,-141.27 496.93 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 3/31/2025
SNOs_Map_GOES-18_NOAA-21_20250401.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 03/31/2025 in txt file.

Historical Predications of SNOs between GOES-18 and NOAA-21