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: 5/10/2018
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 05/11/2018 03:46:47 -68.32, -58.06 129.65 05/11/2018 03:47:29 -68.32, -58.05 129.65 0.77 42
2 05/11/2018 04:37:30 68.14, 109.47 50.17 05/11/2018 04:36:57 68.16, 109.41 50.18 3.15 33
3 05/13/2018 19:13:12 69.03,-110.56 50.41 05/13/2018 19:14:21 68.92,-109.06 50.30 60.63 69
4 05/13/2018 20:03:41 -68.24, 57.81 130.40 05/13/2018 20:04:01 -68.26, 57.75 130.39 3.20 20
5 05/13/2018 20:54:25 68.12,-134.73 49.47 05/13/2018 20:53:28 68.15,-134.73 49.50 3.15 57
6 05/16/2018 11:29:54 68.36, 6.10 49.10 05/16/2018 11:31:01 68.35, 6.09 49.08 2.12 67
7 05/16/2018 12:20:35 -68.22, 173.61 131.06 05/16/2018 12:20:31 -68.24, 173.60 131.04 2.65 4
8 05/16/2018 13:11:14 67.83, -18.59 48.55 05/16/2018 13:10:02 67.90, -19.15 48.62 24.68 72
9 05/19/2018 03:46:48 68.29, 121.97 48.43 05/19/2018 03:47:32 68.32, 121.93 48.45 3.16 44
10 05/19/2018 04:37:30 -68.20, -70.59 131.67 05/19/2018 04:37:02 -68.21, -70.56 131.66 2.27 28
11 05/21/2018 19:13:15 -69.24, 69.16 131.15 05/21/2018 19:14:23 -69.11, 71.15 131.29 80.17 68
12 05/21/2018 20:03:43 68.27,-122.23 47.86 05/21/2018 20:04:03 68.27,-122.25 47.86 0.47 20
13 05/21/2018 20:54:25 -68.18, 45.21 132.25 05/21/2018 20:53:33 -68.18, 45.27 132.25 2.68 52

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/10/2018
SNOs_Map_NPP_TERRA_20180510.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/10/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service