Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between GOES-15 and NPP Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 4/25/2023
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 04/26/2023 11:00:49 0.13,-139.08 0.99,-142.85 430.20 80
2 04/27/2023 10:39:24 0.15,-139.55 -0.10,-138.34 138.31 80
3 04/28/2023 23:04:03 -0.13,-140.25 -0.87,-143.69 391.00 80
4 04/29/2023 22:42:37 -0.15,-140.72 0.18,-139.16 177.44 80
5 05/01/2023 11:07:07 0.13,-141.48 0.78,-144.47 340.81 80
6 05/02/2023 10:45:42 0.14,-141.95 -0.32,-139.96 227.24 80
7 05/03/2023 23:10:19 -0.12,-142.63 -0.69,-145.30 303.08 80
8 05/04/2023 22:48:54 -0.13,-143.10 0.36,-140.77 264.56 80
9 05/06/2023 11:13:23 0.11,-143.84 0.58,-146.09 255.30 80
10 05/07/2023 10:51:58 0.12,-144.30 -0.47,-141.56 311.60 80
11 05/08/2023 23:16:35 -0.10,-144.97 -0.52,-146.90 220.79 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 4/25/2023
SNOs_Map_GOES-15_NPP_20230425.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 04/25/2023 in txt file.

Historical Predications of SNOs between GOES-15 and NPP