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: 7/4/2025
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 07/06/2025 22:34:45 0.02,-137.00 -0.16,-137.74 84.50 80
2 07/07/2025 22:18:40 0.01,-136.99 0.84,-133.20 430.89 80
3 07/09/2025 10:40:29 -0.02,-136.97 0.30,-138.48 171.70 80
4 07/10/2025 10:21:26 -0.01,-136.96 -0.70,-133.95 343.18 62
5 07/11/2025 22:41:01 0.01,-136.94 -0.50,-139.26 263.94 80
6 07/12/2025 22:24:57 0.01,-136.92 0.50,-134.72 250.76 80
7 07/14/2025 10:44:04 -0.01,-136.90 0.70,-139.99 352.61 80
8 07/15/2025 10:28:00 -0.00,-136.88 -0.31,-135.46 161.83 80
9 07/16/2025 22:47:17 0.00,-136.85 -0.88,-140.76 446.18 80
10 07/17/2025 22:31:13 0.00,-136.83 0.12,-136.23 67.79 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 7/4/2025
SNOs_Map_GOES-18_NOAA-21_20250705.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 07/04/2025 in txt file.

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