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: 5/14/2019
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 04:37:21 67.69, 110.01 49.02 05/14/2019 04:36:10 67.78, 109.12 49.11 38.93 71
2 05/16/2019 19:12:59 68.30,-109.61 49.02 05/16/2019 19:13:36 68.32,-109.64 49.04 2.73 37
3 05/16/2019 20:03:41 -68.21, 57.83 131.08 05/16/2019 20:03:06 -68.21, 57.86 131.08 1.25 35
4 05/19/2019 10:39:21 -68.92,-161.97 130.94 05/19/2019 10:40:31 -68.81,-160.81 131.06 47.99 70
5 05/19/2019 11:29:55 68.27, 6.20 48.39 05/19/2019 11:30:06 68.25, 6.15 48.38 2.70 11
6 05/19/2019 12:20:37 -68.18, 173.64 131.71 05/19/2019 12:19:36 -68.15, 173.66 131.74 3.38 61
7 05/22/2019 02:56:07 -68.35, -45.45 132.07 05/22/2019 02:57:08 -68.35, -45.50 132.08 2.09 61
8 05/22/2019 03:46:51 68.24, 122.01 47.81 05/22/2019 03:46:35 68.24, 122.01 47.80 0.39 16
9 05/22/2019 04:37:24 -67.66, -69.95 132.79 05/22/2019 04:36:13 -67.68, -71.00 132.76 44.37 71
10 05/24/2019 19:13:02 -68.32, 70.36 132.62 05/24/2019 19:13:36 -68.33, 70.36 132.61 1.26 34
11 05/24/2019 20:03:46 68.21,-122.19 47.27 05/24/2019 20:03:03 68.21,-122.14 47.27 2.25 43
12 05/27/2019 10:39:21 68.66, 18.36 47.27 05/27/2019 10:40:32 68.58, 18.90 47.18 23.94 71
13 05/27/2019 11:29:58 -68.29,-173.83 133.12 05/27/2019 11:30:05 -68.31,-173.79 133.10 2.95 7
14 05/27/2019 12:20:41 68.13, -6.32 46.72 05/27/2019 12:19:33 68.13, -6.35 46.72 1.50 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/14/2019
SNOs_Map_NPP_TERRA_20190514.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/14/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service