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: 7/20/2019
Index Date Time (GOES-15) GOES-15 Lat,Lon NPP Lat,Lon Distance(km) Time Diff (sec)
1 07/21/2019 21:40:17 0.19,-127.99 1.15,-123.63 495.64 80
2 07/23/2019 09:59:26 -0.21,-128.06 0.00,-128.91 97.68 80
3 07/24/2019 09:43:21 -0.20,-128.08 -1.01,-124.38 421.86 80
4 07/25/2019 22:02:38 0.23,-128.09 -0.15,-129.69 182.28 80
5 07/26/2019 21:46:34 0.22,-128.12 0.86,-125.16 336.99 80
6 07/28/2019 10:05:43 -0.24,-128.18 0.24,-130.44 257.22 80
7 07/29/2019 09:49:39 -0.24,-128.20 -0.77,-125.91 261.28 80
8 07/30/2019 22:08:55 0.26,-128.19 -0.44,-131.21 344.80 80
9 07/31/2019 21:52:51 0.25,-128.20 0.57,-126.68 173.55 80
10 08/02/2019 10:12:00 -0.28,-128.26 0.53,-131.96 421.39 80
11 08/03/2019 09:55:55 -0.27,-128.27 -0.49,-127.43 96.63 80

Figure of GOES-15 and NPP satellite orbits during SNOs since TLE Epoch: 7/20/2019
SNOs_Map_GOES-15_NPP_20190721.jpg

Download SNOs between GOES-15 and NPP since TLE EPOCH: 07/20/2019 in txt file.

Historical Predictions of SNOs between GOES-15 and NPP

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service