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: 1/27/2018
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 01/29/2018 18:22:35 69.36, -98.33 87.15 01/29/2018 18:23:41 69.27, -96.00 86.99 91.88 66
2 01/29/2018 19:12:59 -68.32, 70.40 93.95 01/29/2018 19:13:26 -68.34, 70.45 93.94 2.58 27
3 01/29/2018 20:03:43 68.19,-122.13 85.91 01/29/2018 20:02:54 68.17,-122.11 85.89 3.01 49
4 02/01/2018 10:39:13 68.54, 18.57 85.55 02/01/2018 10:40:24 68.50, 18.89 85.48 14.24 71
5 02/01/2018 11:29:51 -68.25,-173.74 94.76 02/01/2018 11:29:56 -68.28,-173.74 94.74 3.33 5
6 02/01/2018 12:20:35 68.12, -6.26 85.10 02/01/2018 12:19:24 68.11, -6.30 85.09 1.99 71
7 02/04/2018 02:56:01 68.32, 134.64 84.54 02/04/2018 02:56:55 68.33, 134.57 84.55 3.37 54
8 02/04/2018 03:46:43 -68.24, -57.94 95.56 02/04/2018 03:46:25 -68.24, -57.91 95.56 1.18 18
9 02/04/2018 04:37:13 67.35, 110.46 83.52 02/04/2018 04:36:05 67.39, 108.76 83.61 72.82 68
10 02/06/2018 19:12:54 68.31,-109.57 83.72 02/06/2018 19:13:25 68.29,-109.60 83.69 2.11 31
11 02/06/2018 20:03:35 -68.17, 57.92 96.44 02/06/2018 20:02:55 -68.20, 57.92 96.41 2.50 40
12 02/09/2018 10:39:11 -68.85,-161.82 96.56 02/09/2018 10:40:22 -68.71,-160.86 96.74 41.72 71
13 02/09/2018 11:29:46 68.25, 6.29 82.81 02/09/2018 11:29:55 68.26, 6.23 82.81 2.38 9
14 02/09/2018 12:20:28 -68.16, 173.71 97.30 02/09/2018 12:19:25 -68.16, 173.75 97.29 1.86 63

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/27/2018
SNOs_Map_NPP_TERRA_20180127.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/27/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service