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: 1/31/2019
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 02/01/2019 18:22:40 68.73, -97.53 85.73 02/01/2019 18:23:51 68.59, -96.87 85.56 30.93 71
2 02/01/2019 19:13:14 -68.27, 70.39 94.76 02/01/2019 19:13:24 -68.27, 70.37 94.77 0.84 10
3 02/01/2019 20:03:58 68.15,-122.14 85.10 02/01/2019 20:02:51 68.15,-122.13 85.11 0.70 67
4 02/04/2019 10:39:26 68.35, 18.75 84.55 02/04/2019 10:40:23 68.33, 18.69 84.52 3.46 57
5 02/04/2019 11:30:07 -68.21,-173.76 95.61 02/04/2019 11:29:53 -68.23,-173.79 95.59 2.61 14
6 02/04/2019 12:20:40 67.49, -5.56 83.64 02/04/2019 12:19:30 67.55, -6.94 83.74 58.94 70
7 02/07/2019 02:56:20 68.34, 134.53 83.73 02/07/2019 02:56:51 68.34, 134.59 83.72 2.42 31
8 02/07/2019 03:47:01 -68.20, -57.98 96.43 02/07/2019 03:46:22 -68.19, -57.96 96.44 1.61 39
9 02/09/2019 18:22:37 -68.83, 82.35 96.60 02/09/2019 18:23:48 -68.70, 83.27 96.77 39.82 71
10 02/09/2019 19:13:13 68.29,-109.62 82.82 02/09/2019 19:13:20 68.30,-109.58 82.83 2.01 7
11 02/09/2019 20:03:54 -68.15, 57.87 97.34 02/09/2019 20:02:51 -68.15, 57.87 97.33 0.62 63
12 02/12/2019 10:39:23 -68.40,-161.31 97.93 02/12/2019 10:40:22 -68.38,-161.24 97.96 3.32 59
13 02/12/2019 11:30:05 68.23, 6.22 81.89 02/12/2019 11:29:48 68.25, 6.25 81.91 2.78 17
14 02/12/2019 12:20:37 -67.60, 174.32 98.78 02/12/2019 12:19:27 -67.66, 173.19 98.68 48.22 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/31/2019
SNOs_Map_NPP_TERRA_20190131.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/31/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service