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: 5/1/2023
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 05/01/2023 11:07:07 0.13,-141.48 0.78,-144.47 340.84 80
2 05/02/2023 10:45:42 0.14,-141.95 -0.32,-139.96 227.17 80
3 05/03/2023 23:10:19 -0.12,-142.64 -0.70,-145.30 302.57 80
4 05/04/2023 22:48:55 -0.13,-143.10 0.41,-140.78 265.06 80
5 05/06/2023 11:13:23 0.11,-143.84 0.60,-146.08 255.37 80
6 05/07/2023 10:51:59 0.12,-144.30 -0.50,-141.57 311.45 80
7 05/08/2023 23:16:36 -0.10,-144.97 -0.50,-146.91 220.49 80
8 05/09/2023 22:55:11 -0.12,-145.42 0.55,-142.38 345.90 80
9 05/11/2023 11:19:39 0.09,-146.14 0.46,-147.69 176.29 80
10 05/12/2023 10:58:15 0.11,-146.59 -0.66,-143.17 389.75 80
11 05/13/2023 23:22:51 -0.09,-147.25 -0.39,-148.50 143.21 80
12 05/14/2023 23:01:26 -0.11,-147.70 0.72,-143.99 422.80 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 5/1/2023
SNOs_Map_GOES-15_NPP_20230501.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 05/01/2023 in txt file.

Historical Predications of SNOs between GOES-15 and NPP