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: 3/18/2019
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 03/19/2019 02:55:57 -68.36, -45.42 111.01 03/19/2019 02:57:05 -68.35, -45.46 111.02 1.66 68
2 03/19/2019 03:46:41 68.23, 122.06 68.84 03/19/2019 03:46:32 68.24, 122.05 68.85 1.53 9
3 03/19/2019 04:37:18 -67.89, -70.20 111.53 03/19/2019 04:36:05 -67.97, -70.64 111.43 20.53 73
4 03/21/2019 19:12:50 -68.34, 70.39 112.10 03/21/2019 19:13:35 -68.32, 70.38 112.12 1.53 45
5 03/21/2019 20:03:34 68.20,-122.13 67.75 03/21/2019 20:03:02 68.20,-122.12 67.76 0.78 32
6 03/24/2019 10:39:15 69.14, 17.77 67.69 03/24/2019 10:40:23 69.05, 19.53 67.55 70.56 68
7 03/24/2019 11:29:43 -68.31,-173.80 113.19 03/24/2019 11:30:05 -68.28,-173.79 113.22 3.22 22
8 03/24/2019 12:20:27 68.18, -6.33 66.67 03/24/2019 12:19:32 68.16, -6.29 66.65 2.94 55
9 03/27/2019 02:55:53 68.37, 134.58 65.84 03/27/2019 02:57:03 68.39, 134.58 65.84 1.67 70
10 03/27/2019 03:46:34 -68.23, -57.93 114.32 03/27/2019 03:46:34 -68.24, -57.97 114.32 1.67 0
11 03/27/2019 04:37:15 67.95, 109.75 65.38 03/27/2019 04:36:03 68.00, 109.40 65.44 15.43 72
12 03/29/2019 19:12:46 68.35,-109.62 64.77 03/29/2019 19:13:33 68.33,-109.61 64.74 2.87 47
13 03/29/2019 20:03:27 -68.21, 57.88 115.39 03/29/2019 20:03:03 -68.23, 57.91 115.37 2.80 24
14 03/29/2019 20:53:53 67.12,-133.48 63.48 03/29/2019 20:52:46 67.21,-135.61 63.62 92.53 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/18/2019
SNOs_Map_NPP_TERRA_20190318.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/18/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service