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: 1/27/2019
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 01/30/2019 02:56:21 -68.30, -45.41 94.00 01/30/2019 02:56:56 -68.31, -45.48 93.99 2.81 35
2 01/30/2019 03:47:05 68.17, 122.05 85.87 01/30/2019 03:46:23 68.20, 122.04 85.90 2.57 42
3 02/01/2019 18:22:40 68.75, -97.55 85.74 02/01/2019 18:23:51 68.62, -96.85 85.58 32.01 71
4 02/01/2019 19:13:15 -68.29, 70.37 94.75 02/01/2019 19:13:25 -68.29, 70.38 94.75 0.44 10
5 02/01/2019 20:03:59 68.16,-122.16 85.12 02/01/2019 20:02:52 68.17,-122.11 85.13 2.44 67
6 02/04/2019 10:39:27 68.37, 18.72 84.57 02/04/2019 10:40:24 68.38, 18.74 84.57 1.04 57
7 02/04/2019 11:30:07 -68.23,-173.78 95.59 02/04/2019 11:29:54 -68.22,-173.82 95.60 1.81 13
8 02/04/2019 12:20:40 67.51, -5.58 83.66 02/04/2019 12:19:30 67.60, -6.90 83.79 56.50 70
9 02/07/2019 02:56:19 68.31, 134.57 83.69 02/07/2019 02:56:53 68.31, 134.54 83.69 1.34 34
10 02/07/2019 03:47:01 -68.22, -58.00 96.41 02/07/2019 03:46:23 -68.22, -57.94 96.42 2.30 38
11 02/09/2019 18:22:38 -68.91, 82.25 96.52 02/09/2019 18:23:48 -68.82, 83.40 96.65 47.25 70
12 02/09/2019 19:13:12 68.26,-109.59 82.79 02/09/2019 19:13:23 68.25,-109.65 82.79 2.77 11
13 02/09/2019 20:03:54 -68.17, 57.85 97.32 02/09/2019 20:02:53 -68.16, 57.87 97.32 1.09 61

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/27/2019
SNOs_Map_NPP_TERRA_20190128.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/27/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service