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: 4/27/2019
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 04/28/2019 02:55:55 68.40, 134.53 54.26 04/28/2019 02:57:06 68.41, 134.59 54.26 2.48 71
2 04/28/2019 03:46:36 -68.26, -57.97 125.90 04/28/2019 03:46:37 -68.24, -57.99 125.92 2.66 1
3 04/28/2019 04:37:18 68.03, 109.63 53.86 04/28/2019 04:36:05 68.08, 109.47 53.91 8.77 73
4 04/30/2019 19:12:51 68.36,-109.64 53.38 04/30/2019 19:13:36 68.37,-109.58 53.39 3.25 45
5 04/30/2019 20:03:32 -68.21, 57.86 126.78 04/30/2019 20:03:07 -68.20, 57.85 126.79 0.82 25
6 04/30/2019 20:53:58 67.11,-133.50 52.11 04/30/2019 20:52:51 67.14,-135.71 52.15 95.65 67
7 05/03/2019 10:39:19 -69.28,-162.43 126.48 05/03/2019 10:40:26 -69.16,-160.36 126.61 82.74 67
8 05/03/2019 11:29:47 68.31, 6.18 52.53 05/03/2019 11:30:07 68.28, 6.18 52.50 3.41 20
9 05/03/2019 12:20:28 -68.16, 173.69 127.64 05/03/2019 12:19:37 -68.17, 173.68 127.63 0.90 51
10 05/06/2019 02:55:58 -68.38, -45.45 128.17 05/06/2019 02:57:08 -68.40, -45.44 128.15 2.88 70
11 05/06/2019 03:46:42 68.27, 122.00 51.71 05/06/2019 03:46:36 68.24, 122.01 51.68 3.06 6
12 05/06/2019 04:37:21 -68.00, -70.35 128.56 05/06/2019 04:36:08 -68.02, -70.62 128.55 11.21 73
13 05/08/2019 19:12:54 -68.33, 70.37 128.95 05/08/2019 19:13:39 -68.31, 70.33 128.98 3.44 45
14 05/08/2019 20:03:38 68.22,-122.18 50.93 05/08/2019 20:03:06 68.20,-122.16 50.90 3.15 32

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/27/2019
SNOs_Map_NPP_TERRA_20190427.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/27/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service