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: 10/21/2018
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 10/23/2018 10:39:52 -69.00,-162.01 99.64 10/23/2018 10:41:02 -68.93,-160.86 99.69 46.68 70
2 10/23/2018 11:30:27 68.39, 6.12 79.77 10/23/2018 11:30:37 68.37, 6.10 79.75 2.31 10
3 10/23/2018 12:21:08 -68.26, 173.60 100.35 10/23/2018 12:20:07 -68.26, 173.60 100.35 0.06 61
4 10/26/2018 02:56:37 -68.49, -45.55 99.22 10/26/2018 02:57:37 -68.47, -45.55 99.24 2.51 60
5 10/26/2018 03:47:21 68.36, 121.93 80.67 10/26/2018 03:47:04 68.35, 121.95 80.66 1.52 17
6 10/26/2018 04:37:53 -67.74, -69.99 99.92 10/26/2018 04:36:42 -67.80, -71.06 99.90 45.46 71
7 10/28/2018 19:13:31 -68.46, 70.26 98.35 10/28/2018 19:14:04 -68.44, 70.31 98.36 2.69 33
8 10/28/2018 20:04:14 68.27,-122.20 81.49 10/28/2018 20:03:32 68.26,-122.26 81.48 2.69 42
9 10/31/2018 10:39:46 68.72, 18.35 82.79 10/31/2018 10:40:58 68.62, 18.78 82.70 20.68 72
10 10/31/2018 11:30:23 -68.37,-173.87 97.55 10/31/2018 11:30:31 -68.36,-173.90 97.56 2.05 8
11 10/31/2018 12:21:07 68.25, -6.40 82.34 10/31/2018 12:19:58 68.23, -6.41 82.32 1.76 69
12 11/03/2018 02:56:36 68.48, 134.44 83.41 11/03/2018 02:57:27 68.47, 134.48 83.40 2.38 51
13 11/03/2018 03:47:17 -68.35, -58.07 96.72 11/03/2018 03:46:58 -68.33, -58.06 96.74 2.24 19
14 11/03/2018 04:37:46 67.41, 110.40 82.38 11/03/2018 04:36:38 67.46, 108.59 82.39 77.35 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/21/2018
SNOs_Map_NPP_TERRA_20181021.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/21/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service