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: 11/13/2019
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 11/14/2019 02:05:45 68.99, 146.44 86.99 11/14/2019 02:06:55 68.83, 147.53 86.86 46.78 70
2 11/14/2019 02:56:17 -68.38, -45.43 93.60 11/14/2019 02:56:31 -68.40, -45.38 93.58 3.11 14
3 11/14/2019 03:47:01 68.24, 122.05 86.28 11/14/2019 03:45:59 68.22, 122.06 86.26 1.93 62
4 11/16/2019 18:22:29 68.45, -97.07 87.15 11/16/2019 18:23:31 68.42, -97.09 87.12 3.27 62
5 11/16/2019 19:13:10 -68.32, 70.41 92.97 11/16/2019 19:13:01 -68.32, 70.42 92.97 0.38 9
6 11/16/2019 20:03:46 67.76,-121.57 86.49 11/16/2019 20:02:35 67.81,-122.54 86.52 40.98 71
7 11/19/2019 10:39:21 68.40, 18.76 87.75 11/19/2019 10:39:59 68.40, 18.76 87.74 0.29 38
8 11/19/2019 11:30:02 -68.27,-173.75 92.38 11/19/2019 11:29:30 -68.25,-173.79 92.41 2.92 32
9 11/22/2019 02:05:42 -69.12, -33.74 90.95 11/22/2019 02:06:51 -69.06, -32.18 91.00 62.41 69
10 11/22/2019 02:56:14 68.36, 134.59 88.30 11/22/2019 02:56:28 68.38, 134.62 88.32 2.46 14
11 11/22/2019 03:46:55 -68.22, -57.92 91.83 11/22/2019 03:45:59 -68.23, -57.93 91.83 0.74 56
12 11/24/2019 18:22:23 -68.44, 82.95 91.08 11/24/2019 18:23:31 -68.42, 82.91 91.09 2.32 68
13 11/24/2019 19:13:07 68.31,-109.58 88.81 11/24/2019 19:12:58 68.29,-109.60 88.79 2.11 9
14 11/24/2019 20:03:44 -67.96, 58.19 91.53 11/24/2019 20:02:31 -68.04, 57.73 91.47 20.80 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/13/2019
SNOs_Map_NPP_TERRA_20191113.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service