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: 4/15/2019
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 04/17/2019 11:29:36 68.28, 6.26 57.71 04/17/2019 11:30:05 68.30, 6.23 57.72 2.39 29
2 04/17/2019 12:20:18 -68.20, 173.69 122.40 04/17/2019 12:19:35 -68.19, 173.73 122.41 1.83 43
3 04/20/2019 02:55:53 -68.67, -45.79 122.83 04/20/2019 02:57:04 -68.60, -45.18 122.90 25.87 71
4 04/20/2019 03:46:32 68.28, 122.03 56.77 04/20/2019 03:46:35 68.27, 122.06 56.76 1.90 3
5 04/20/2019 04:37:13 -68.14, -70.47 123.39 04/20/2019 04:36:06 -68.11, -70.50 123.42 3.28 67
6 04/22/2019 19:12:44 -68.34, 70.40 124.07 04/22/2019 19:13:39 -68.37, 70.41 124.04 3.38 55
7 04/22/2019 20:03:28 68.23,-122.14 55.81 04/22/2019 20:03:07 68.21,-122.14 55.78 2.23 21
8 04/22/2019 20:53:57 -67.43, 46.16 125.01 04/22/2019 20:52:48 -67.49, 44.66 124.94 63.96 69
9 04/25/2019 11:29:40 -68.29,-173.77 125.01 04/25/2019 11:30:12 -68.28,-173.83 125.02 2.99 32
10 04/25/2019 12:20:24 68.17, -6.31 54.87 04/25/2019 12:19:39 68.16, -6.32 54.86 1.34 45
11 04/28/2019 02:55:59 68.61, 134.27 54.47 04/28/2019 02:57:11 68.52, 134.70 54.38 19.97 72
12 04/28/2019 03:46:36 -68.24, -57.93 125.92 04/28/2019 03:46:44 -68.26, -57.99 125.90 3.34 8
13 04/28/2019 04:37:20 68.13, 109.51 53.96 04/28/2019 04:36:11 68.14, 109.52 53.97 1.83 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/15/2019
SNOs_Map_NPP_TERRA_20190415.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/15/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service