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: 1/5/2023
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 01/05/2023 21:41:15 -0.01,-127.84 0.97,-123.53 491.27 80
2 01/07/2023 10:00:24 0.01,-127.95 0.20,-128.81 97.91 80
3 01/08/2023 09:44:21 0.01,-127.97 -0.82,-124.28 420.91 80
4 01/09/2023 22:06:18 -0.01,-127.93 -0.40,-129.58 187.74 80
5 01/10/2023 21:44:55 -0.01,-127.95 0.63,-125.05 330.78 80
6 01/12/2023 10:06:44 0.01,-128.05 0.53,-130.32 259.15 80
7 01/13/2023 09:50:40 0.01,-128.07 -0.49,-125.80 259.36 80
8 01/14/2023 22:12:38 -0.00,-128.04 -0.72,-131.10 349.52 80
9 01/15/2023 21:51:14 -0.01,-128.05 0.31,-126.57 168.41 80
10 01/17/2023 10:13:04 0.01,-128.13 0.85,-131.84 423.01 80
11 01/18/2023 09:57:00 0.01,-128.15 -0.19,-127.32 94.57 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 1/5/2023
SNOs_Map_GOES-15_NPP_20230105.jpg

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

Historical Predications of SNOs between GOES-15 and NPP