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: 5/12/2019
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 05/14/2019 02:56:04 68.39, 134.52 49.74 05/14/2019 02:57:06 68.40, 134.56 49.75 2.25 62
2 05/14/2019 03:46:45 -68.24, -57.98 130.42 05/14/2019 03:46:37 -68.23, -58.00 130.44 1.73 8
3 05/14/2019 04:37:21 67.69, 110.02 49.02 05/14/2019 04:36:10 67.79, 109.12 49.12 39.43 71
4 05/16/2019 19:13:00 68.35,-109.67 49.07 05/16/2019 19:13:36 68.33,-109.64 49.04 3.07 36
5 05/16/2019 20:03:41 -68.20, 57.84 131.09 05/16/2019 20:03:06 -68.22, 57.86 131.08 1.75 35
6 05/19/2019 10:39:21 -68.91,-161.96 130.95 05/19/2019 10:40:31 -68.80,-160.82 131.07 47.22 70
7 05/19/2019 11:29:55 68.27, 6.21 48.39 05/19/2019 11:30:06 68.25, 6.14 48.37 3.39 11
8 05/19/2019 12:20:37 -68.17, 173.65 131.72 05/19/2019 12:19:36 -68.14, 173.65 131.75 2.98 61
9 05/22/2019 02:56:07 -68.40, -45.51 132.02 05/22/2019 02:57:06 -68.39, -45.45 132.04 2.64 59
10 05/22/2019 03:46:50 68.24, 122.01 47.81 05/22/2019 03:46:34 68.22, 121.99 47.79 2.32 16
11 05/22/2019 04:37:23 -67.65, -69.94 132.79 05/22/2019 04:36:12 -67.67, -71.02 132.77 45.50 71
12 05/24/2019 19:13:02 -68.32, 70.36 132.62 05/24/2019 19:13:36 -68.30, 70.32 132.64 2.59 34
13 05/24/2019 20:03:46 68.21,-122.19 47.27 05/24/2019 20:03:03 68.18,-122.18 47.24 3.14 43

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/12/2019
SNOs_Map_NPP_TERRA_20190512.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/12/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service