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: 7/5/2019
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 07/06/2019 10:39:30 -68.39,-161.31 134.39 07/06/2019 10:40:22 -68.40,-161.27 134.39 1.90 52
2 07/06/2019 11:30:14 68.26, 6.17 45.48 07/06/2019 11:29:50 68.23, 6.17 45.45 2.93 24
3 07/06/2019 12:20:40 -67.38, 174.58 135.42 07/06/2019 12:19:31 -67.45, 172.91 135.30 71.64 69
4 07/09/2019 02:05:59 69.32, 145.88 46.87 07/09/2019 02:07:06 69.24, 148.05 46.74 85.82 67
5 07/09/2019 02:56:24 -68.34, -45.47 134.15 07/09/2019 02:56:50 -68.36, -45.43 134.13 3.21 26
6 07/09/2019 03:47:08 68.20, 122.01 45.72 07/09/2019 03:46:18 68.19, 122.01 45.71 1.57 50
7 07/11/2019 18:22:38 68.42, -97.12 46.27 07/11/2019 18:23:49 68.42, -97.11 46.27 0.76 71
8 07/11/2019 19:13:19 -68.29, 70.37 133.86 07/11/2019 19:13:20 -68.27, 70.34 133.88 2.40 1
9 07/11/2019 20:04:01 68.05,-122.02 45.90 07/11/2019 20:02:48 68.09,-122.23 45.95 9.85 73
10 07/14/2019 10:39:33 68.37, 18.71 46.61 07/14/2019 10:40:18 68.38, 18.72 46.61 0.68 45
11 07/14/2019 11:30:14 -68.24,-173.80 133.53 07/14/2019 11:29:49 -68.22,-173.83 133.54 1.94 25
12 07/17/2019 02:05:59 -69.25, -34.02 132.06 07/17/2019 02:07:07 -69.17, -32.05 132.19 78.18 68
13 07/17/2019 02:56:28 68.33, 134.54 46.99 07/17/2019 02:56:47 68.33, 134.54 46.99 0.10 19
14 07/17/2019 03:47:09 -68.19, -57.97 133.15 07/17/2019 03:46:18 -68.18, -58.01 133.16 2.11 51

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/5/2019
SNOs_Map_NPP_TERRA_20190705.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/05/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service