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: 2/12/2018
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 02/14/2018 19:12:47 -68.34, 70.41 98.87 02/14/2018 19:13:27 -68.36, 70.47 98.86 3.16 40
2 02/14/2018 20:03:31 68.20,-122.10 80.98 02/14/2018 20:02:55 68.18,-122.09 80.97 2.12 36
3 02/17/2018 10:39:09 68.99, 18.00 80.90 02/17/2018 10:40:18 68.93, 19.42 80.78 57.16 69
4 02/17/2018 11:29:39 -68.28,-173.73 99.86 02/17/2018 11:29:58 -68.28,-173.75 99.87 1.03 19
5 02/17/2018 12:20:23 68.14, -6.25 79.99 02/17/2018 12:19:25 68.15, -6.25 80.01 0.99 58
6 02/20/2018 02:55:50 68.35, 134.64 79.28 02/20/2018 02:56:58 68.35, 134.58 79.27 2.49 68
7 02/20/2018 03:46:32 -68.27, -57.94 100.82 02/20/2018 03:46:28 -68.26, -57.90 100.84 2.70 4
8 02/20/2018 04:37:11 67.87, 109.87 78.76 02/20/2018 04:35:59 67.91, 109.34 78.82 22.68 72
9 02/22/2018 19:12:42 68.35,-109.58 78.30 02/22/2018 19:13:27 68.34,-109.56 78.29 1.39 45
10 02/22/2018 20:03:23 -68.22, 57.91 101.85 02/22/2018 20:02:58 -68.19, 57.90 101.87 2.95 25
11 02/22/2018 20:53:48 67.06,-133.38 76.95 02/22/2018 20:52:42 67.11,-135.68 77.08 99.97 66
12 02/25/2018 10:39:09 -69.43,-162.58 101.55 02/25/2018 10:40:15 -69.29,-160.13 101.77 97.35 66
13 02/25/2018 11:29:34 68.29, 6.27 77.26 02/25/2018 11:29:58 68.28, 6.25 77.24 2.07 24
14 02/25/2018 12:20:15 -68.16, 173.76 102.90 02/25/2018 12:19:28 -68.19, 173.77 102.87 3.17 47

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/12/2018
SNOs_Map_NPP_TERRA_20180213.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/12/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service