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: 4/30/2019
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 04/30/2019 19:12:51 68.35,-109.63 53.37 04/30/2019 19:13:37 68.32,-109.64 53.34 2.59 46
2 04/30/2019 20:03:32 -68.20, 57.87 126.79 04/30/2019 20:03:07 -68.21, 57.86 126.78 0.76 25
3 04/30/2019 20:53:58 67.11,-133.49 52.10 04/30/2019 20:52:51 67.15,-135.70 52.16 95.74 67
4 05/03/2019 10:39:18 -69.27,-162.42 126.49 05/03/2019 10:40:25 -69.16,-160.36 126.61 82.54 67
5 05/03/2019 11:29:46 68.30, 6.19 52.52 05/03/2019 11:30:06 68.28, 6.19 52.49 2.71 20
6 05/03/2019 12:20:27 -68.15, 173.70 127.64 05/03/2019 12:19:36 -68.17, 173.69 127.63 1.37 51
7 05/06/2019 02:55:58 -68.37, -45.44 128.17 05/06/2019 02:57:08 -68.39, -45.44 128.16 1.94 70
8 05/06/2019 03:46:42 68.26, 122.01 51.70 05/06/2019 03:46:35 68.28, 122.07 51.72 3.29 7
9 05/06/2019 04:37:21 -68.00, -70.34 128.57 05/06/2019 04:36:07 -68.06, -70.56 128.51 11.23 74
10 05/08/2019 19:12:54 -68.33, 70.38 128.96 05/08/2019 19:13:38 -68.33, 70.37 128.96 0.86 44
11 05/08/2019 20:03:38 68.22,-122.17 50.92 05/08/2019 20:03:05 68.22,-122.12 50.93 1.83 33
12 05/11/2019 10:39:19 68.98, 17.96 51.01 05/11/2019 10:40:29 68.88, 19.28 50.90 53.94 70
13 05/11/2019 11:29:50 -68.29,-173.80 129.71 05/11/2019 11:30:08 -68.27,-173.83 129.72 2.09 18
14 05/11/2019 12:20:34 68.18, -6.35 50.18 05/11/2019 12:19:35 68.15, -6.32 50.15 2.80 59
15 05/14/2019 02:56:03 68.35, 134.56 49.70 05/14/2019 02:57:06 68.36, 134.52 49.71 1.86 63

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/30/2019
SNOs_Map_NPP_TERRA_20190430.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/30/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service