Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NPP and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 5/2/2019
Index Date (NPP) Time (NPP) Lat,Lon (NPP) SZA (NPP ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 05/03/2019 10:39:18 -69.26,-162.40 126.50 05/03/2019 10:40:25 -69.18,-160.33 126.60 82.09 67
2 05/03/2019 11:29:46 68.28, 6.22 52.50 05/03/2019 11:30:06 68.30, 6.21 52.52 1.89 20
3 05/03/2019 12:20:28 -68.19, 173.65 127.60 05/03/2019 12:19:36 -68.18, 173.71 127.61 2.60 52
4 05/06/2019 02:55:58 -68.35, -45.42 128.19 05/06/2019 02:57:09 -68.36, -45.48 128.19 2.58 71
5 05/06/2019 03:46:42 68.24, 122.04 51.68 05/06/2019 03:46:36 68.25, 122.03 51.70 1.61 6
6 05/06/2019 04:37:21 -67.98, -70.32 128.59 05/06/2019 04:36:08 -68.03, -70.59 128.54 12.55 73
7 05/08/2019 19:12:54 -68.31, 70.41 128.98 05/08/2019 19:13:39 -68.31, 70.34 128.98 2.71 45
8 05/08/2019 20:03:38 68.19,-122.14 50.90 05/08/2019 20:03:06 68.20,-122.15 50.91 0.83 32
9 05/11/2019 10:39:19 69.01, 17.92 51.04 05/11/2019 10:40:28 68.92, 19.34 50.94 57.35 69
10 05/11/2019 11:29:50 -68.32,-173.84 129.68 05/11/2019 11:30:07 -68.32,-173.78 129.68 2.68 17
11 05/11/2019 12:20:33 68.15, -6.32 50.15 05/11/2019 12:19:35 68.15, -6.33 50.15 0.81 58
12 05/14/2019 02:56:04 68.38, 134.53 49.73 05/14/2019 02:57:07 68.36, 134.53 49.71 1.49 63
13 05/14/2019 03:46:46 -68.27, -58.02 130.39 05/14/2019 03:46:37 -68.26, -57.96 130.40 2.69 9
14 05/14/2019 04:37:22 67.73, 109.97 49.06 05/14/2019 04:36:11 67.75, 109.09 49.08 37.09 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/2/2019
SNOs_Map_NPP_TERRA_20190502.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/02/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service