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: 2/7/2018
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 02/09/2018 10:39:12 -68.90,-161.88 96.51 02/09/2018 10:40:22 -68.77,-160.78 96.68 46.28 70
2 02/09/2018 11:29:47 68.28, 6.24 82.84 02/09/2018 11:29:56 68.27, 6.25 82.83 1.19 9
3 02/09/2018 12:20:28 -68.16, 173.72 97.30 02/09/2018 12:19:26 -68.17, 173.76 97.29 2.06 62
4 02/12/2018 02:55:55 -68.35, -45.38 97.95 02/12/2018 02:56:59 -68.34, -45.43 97.97 2.24 64
5 02/12/2018 03:46:39 68.22, 122.10 81.90 02/12/2018 03:46:26 68.23, 122.07 81.91 1.16 13
6 02/12/2018 04:37:14 -67.77, -70.02 98.58 02/12/2018 04:36:02 -67.79, -70.80 98.53 32.84 72
7 02/14/2018 19:12:47 -68.35, 70.41 98.86 02/14/2018 19:13:27 -68.36, 70.46 98.86 2.60 40
8 02/14/2018 20:03:30 68.16,-122.05 80.94 02/14/2018 20:02:55 68.18,-122.10 80.96 2.87 35
9 02/17/2018 10:39:09 69.01, 17.98 80.92 02/17/2018 10:40:18 68.91, 19.39 80.76 57.48 69
10 02/17/2018 11:29:39 -68.29,-173.74 99.85 02/17/2018 11:29:57 -68.31,-173.71 99.83 2.61 18
11 02/17/2018 12:20:23 68.16, -6.27 80.01 02/17/2018 12:19:25 68.13, -6.28 79.98 3.49 58
12 02/20/2018 02:55:50 68.37, 134.62 79.30 02/20/2018 02:56:57 68.35, 134.59 79.27 2.13 67
13 02/20/2018 03:46:31 -68.23, -57.89 100.86 02/20/2018 03:46:27 -68.26, -57.89 100.83 3.04 4
14 02/20/2018 04:37:10 67.84, 109.91 78.72 02/20/2018 04:35:58 67.91, 109.34 78.82 25.27 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/7/2018
SNOs_Map_NPP_TERRA_20180207.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/07/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service