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: 1/29/2019
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 -68.32, -45.44 93.98 01/30/2019 02:56:55 -68.32, -45.44 93.97 0.85 34
2 01/30/2019 03:47:05 68.19, 122.03 85.89 01/30/2019 03:46:22 68.21, 122.06 85.91 2.15 43
3 02/01/2019 18:22:39 68.72, -97.51 85.71 02/01/2019 18:23:50 68.60, -96.86 85.56 29.30 71
4 02/01/2019 19:13:14 -68.25, 70.41 94.79 02/01/2019 19:13:24 -68.27, 70.38 94.77 2.65 10
5 02/01/2019 20:03:58 68.13,-122.12 85.08 02/01/2019 20:02:51 68.15,-122.12 85.11 2.31 67
6 02/04/2019 10:39:27 68.39, 18.70 84.59 02/04/2019 10:40:22 68.37, 18.74 84.56 3.05 55
7 02/04/2019 11:30:08 -68.25,-173.80 95.57 02/04/2019 11:29:53 -68.22,-173.81 95.60 3.56 15
8 02/04/2019 12:20:40 67.48, -5.54 83.63 02/04/2019 12:19:30 67.53, -6.95 83.73 60.34 70
9 02/07/2019 02:56:20 68.33, 134.54 83.72 02/07/2019 02:56:50 68.35, 134.61 83.73 3.45 30
10 02/07/2019 03:47:01 -68.19, -57.96 96.45 02/07/2019 03:46:21 -68.20, -57.94 96.43 1.85 40
11 02/09/2019 18:22:35 -68.77, 82.43 96.67 02/09/2019 18:23:46 -68.68, 83.25 96.79 34.43 71
12 02/09/2019 19:13:12 68.28,-109.61 82.81 02/09/2019 19:13:18 68.27,-109.60 82.81 0.66 6
13 02/09/2019 20:03:53 -68.13, 57.89 97.35 02/09/2019 20:02:49 -68.13, 57.86 97.35 1.25 64

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/29/2019
SNOs_Map_NPP_TERRA_20190129.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/29/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service