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: 10/30/2019
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 68.45, -97.07 82.55 10/31/2019 18:23:33 68.43, -97.10 82.53 2.45 57
2 10/31/2019 19:13:16 -68.32, 70.42 97.57 10/31/2019 19:13:02 -68.33, 70.41 97.57 0.95 14
3 10/31/2019 20:03:49 67.60,-121.37 81.73 10/31/2019 20:02:39 67.65,-122.73 81.76 58.06 70
4 11/03/2019 10:39:29 68.44, 18.71 83.39 11/03/2019 10:40:01 68.43, 18.78 83.38 3.14 32
5 11/03/2019 11:30:09 -68.26,-173.73 96.78 11/03/2019 11:29:32 -68.28,-173.77 96.77 2.73 37
6 11/06/2019 02:05:47 -68.99, -33.55 95.26 11/06/2019 02:06:57 -68.88, -32.42 95.35 46.87 70
7 11/06/2019 02:56:22 68.38, 134.56 84.15 11/06/2019 02:56:31 68.37, 134.59 84.14 1.90 9
8 11/06/2019 03:47:03 -68.25, -57.95 95.97 11/06/2019 03:46:02 -68.22, -57.96 96.01 3.43 61
9 11/08/2019 18:22:31 -68.45, 82.94 95.01 11/08/2019 18:23:34 -68.43, 82.90 95.03 3.04 63
10 11/08/2019 19:13:15 68.32,-109.59 84.88 11/08/2019 19:13:01 68.30,-109.61 84.86 2.77 14
11 11/08/2019 20:03:49 -67.81, 58.37 95.61 11/08/2019 20:02:37 -67.87, 57.52 95.57 36.32 72
12 11/11/2019 10:39:24 -68.39,-161.22 94.31 11/11/2019 10:40:03 -68.41,-161.24 94.29 2.38 39
13 11/11/2019 11:30:07 68.27, 6.25 85.59 11/11/2019 11:29:29 68.28, 6.25 85.59 1.55 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/30/2019
SNOs_Map_NPP_TERRA_20191030.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/30/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service