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: 5/13/2019
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 05/14/2019 02:56:04 68.36, 134.55 49.71 05/14/2019 02:57:07 68.36, 134.52 49.71 0.95 63
2 05/14/2019 03:46:46 -68.27, -58.02 130.39 05/14/2019 03:46:37 -68.25, -57.98 130.41 3.08 9
3 05/14/2019 04:37:22 67.72, 109.98 49.05 05/14/2019 04:36:11 67.75, 109.09 49.08 38.03 71
4 05/16/2019 19:13:00 68.33,-109.64 49.05 05/16/2019 19:13:36 68.34,-109.62 49.06 1.95 36
5 05/16/2019 20:03:40 -68.18, 57.87 131.11 05/16/2019 20:03:06 -68.18, 57.82 131.12 2.11 34
6 05/19/2019 10:39:20 -68.89,-161.93 130.97 05/19/2019 10:40:30 -68.81,-160.80 131.06 45.85 70
7 05/19/2019 11:29:55 68.29, 6.17 48.42 05/19/2019 11:30:04 68.31, 6.23 48.44 3.21 9
8 05/19/2019 12:20:36 -68.14, 173.68 131.74 05/19/2019 12:19:35 -68.15, 173.67 131.74 0.93 61
9 05/22/2019 02:56:07 -68.38, -45.48 132.05 05/22/2019 02:57:06 -68.39, -45.45 132.04 2.24 59
10 05/22/2019 03:46:50 68.21, 122.05 47.78 05/22/2019 03:46:34 68.22, 121.99 47.79 2.44 16
11 05/22/2019 04:37:23 -67.63, -69.91 132.82 05/22/2019 04:36:12 -67.67, -71.01 132.77 46.74 71
12 05/24/2019 19:13:03 -68.34, 70.33 132.59 05/24/2019 19:13:35 -68.35, 70.38 132.59 2.19 32
13 05/24/2019 20:03:46 68.18,-122.15 47.24 05/24/2019 20:03:03 68.17,-122.18 47.23 1.52 43

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/13/2019
SNOs_Map_NPP_TERRA_20190513.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service