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: 10/31/2019
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 10/31/2019 18:22:36 68.46, -97.08 82.56 10/31/2019 18:23:32 68.48, -97.04 82.58 2.57 56
2 10/31/2019 19:13:17 -68.33, 70.41 97.56 10/31/2019 19:13:03 -68.32, 70.40 97.58 1.40 14
3 10/31/2019 20:03:50 67.60,-121.38 81.74 10/31/2019 20:02:40 67.64,-122.75 81.75 58.07 70
4 11/03/2019 10:39:28 68.40, 18.77 83.34 11/03/2019 10:40:01 68.41, 18.76 83.36 2.20 33
5 11/03/2019 11:30:09 -68.27,-173.74 96.78 11/03/2019 11:29:32 -68.26,-173.79 96.79 2.23 37
6 11/06/2019 02:05:47 -69.00, -33.57 95.26 11/06/2019 02:06:57 -68.85, -32.46 95.38 47.11 70
7 11/06/2019 02:56:21 68.33, 134.62 84.11 11/06/2019 02:56:31 68.34, 134.56 84.11 2.85 10
8 11/06/2019 03:47:03 -68.26, -57.96 95.97 11/06/2019 03:46:01 -68.25, -57.92 95.98 1.71 62
9 11/08/2019 18:22:31 -68.46, 82.93 95.00 11/08/2019 18:23:33 -68.44, 82.92 95.01 1.42 62
10 11/08/2019 19:13:15 68.33,-109.60 84.89 11/08/2019 19:13:00 68.32,-109.59 84.88 1.28 15
11 11/08/2019 20:03:48 -67.76, 58.43 95.66 11/08/2019 20:02:37 -67.83, 57.48 95.61 40.78 71
12 11/11/2019 10:39:24 -68.40,-161.22 94.30 11/11/2019 10:40:02 -68.41,-161.24 94.29 1.89 38
13 11/11/2019 11:30:08 68.27, 6.24 85.59 11/11/2019 11:29:29 68.28, 6.26 85.60 1.52 39
14 11/14/2019 02:05:43 68.91, 146.55 86.92 11/14/2019 02:06:54 68.80, 147.49 86.82 39.81 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/31/2019
SNOs_Map_NPP_TERRA_20191031.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/31/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service