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: 7/10/2019
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 07/11/2019 18:22:38 68.40, -97.10 46.26 07/11/2019 18:23:50 68.38, -97.16 46.23 3.16 72
2 07/11/2019 19:13:19 -68.28, 70.38 133.87 07/11/2019 19:13:20 -68.28, 70.35 133.87 1.54 1
3 07/11/2019 20:04:01 68.03,-122.00 45.88 07/11/2019 20:02:49 68.05,-122.28 45.92 11.92 72
4 07/14/2019 10:39:32 68.35, 18.73 46.59 07/14/2019 10:40:18 68.35, 18.68 46.58 2.53 46
5 07/14/2019 11:30:13 -68.22,-173.78 133.54 07/14/2019 11:29:48 -68.24,-173.81 133.52 2.56 25
6 07/14/2019 12:20:39 67.11, -5.12 45.33 07/14/2019 12:19:32 67.17, -7.39 45.45 98.19 67
7 07/17/2019 02:05:59 -69.29, -34.07 132.02 07/17/2019 02:07:06 -69.21, -32.01 132.16 81.73 67
8 07/17/2019 02:56:27 68.31, 134.56 46.97 07/17/2019 02:56:47 68.31, 134.51 46.97 2.15 20
9 07/17/2019 03:47:09 -68.23, -58.02 133.11 07/17/2019 03:46:17 -68.21, -57.97 133.12 2.65 52
10 07/19/2019 18:22:38 -68.39, 82.92 132.48 07/19/2019 18:23:49 -68.40, 82.85 132.48 2.85 71
11 07/19/2019 19:13:22 68.26,-109.61 47.39 07/19/2019 19:13:16 68.28,-109.65 47.41 2.28 6
12 07/19/2019 20:04:01 -68.02, 58.02 132.85 07/19/2019 20:02:48 -68.07, 57.74 132.79 12.87 73
13 07/22/2019 10:39:34 -68.40,-161.32 131.96 07/22/2019 10:40:18 -68.37,-161.30 132.00 3.22 44
14 07/22/2019 11:30:17 68.22, 6.22 47.86 07/22/2019 11:29:45 68.24, 6.19 47.89 3.00 32

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/10/2019
SNOs_Map_NPP_TERRA_20190711.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/10/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service