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: 12/31/2024
Index Date Time (GOES-18) GOES-18 Lat,Lon NOAA-21 Lat,Lon Distance(km) Time Diff (sec)
1 12/31/2024 22:41:35 -0.00,-137.00 -0.51,-139.24 254.66 80
2 01/01/2025 22:25:29 -0.01,-137.00 0.50,-134.70 262.51 80
3 01/03/2025 10:47:14 0.01,-137.00 0.66,-139.96 337.80 80
4 01/04/2025 10:25:48 0.01,-136.99 -0.36,-135.43 179.10 80
5 01/05/2025 22:47:40 -0.02,-136.99 -0.84,-140.72 424.27 80
6 01/06/2025 22:31:32 -0.02,-136.98 0.14,-136.17 92.38 80
7 01/09/2025 10:31:50 0.02,-136.96 0.02,-136.89 7.33 80
8 01/11/2025 22:34:55 -0.03,-136.92 -0.19,-137.64 81.66 80
9 01/12/2025 22:16:08 -0.03,-136.91 0.81,-133.10 433.99 80
10 01/14/2025 10:40:32 0.04,-136.88 0.37,-138.35 168.31 80

Figure of GOES-18 and NOAA-21 satellite orbits during SNOs since TLE Epoch: 12/31/2024
SNOs_Map_GOES-18_NOAA-21_20250101.jpg

Download SNOs between GOES-18 and NOAA-21 since TLE EPOCH: 12/31/2024 in txt file.

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