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: 5/17/2019
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 05/19/2019 10:39:21 -68.91,-161.95 130.96 05/19/2019 10:40:31 -68.82,-160.79 131.05 47.44 70
2 05/19/2019 11:29:55 68.25, 6.22 48.38 05/19/2019 11:30:06 68.27, 6.17 48.39 2.48 11
3 05/19/2019 12:20:36 -68.16, 173.65 131.73 05/19/2019 12:19:35 -68.16, 173.68 131.73 1.02 61
4 05/22/2019 02:56:06 -68.34, -45.43 132.09 05/22/2019 02:57:07 -68.36, -45.48 132.07 3.14 61
5 05/22/2019 03:46:50 68.22, 122.03 47.79 05/22/2019 03:46:34 68.25, 122.03 47.82 3.06 16
6 05/22/2019 04:37:23 -67.65, -69.94 132.80 05/22/2019 04:36:12 -67.70, -70.98 132.74 44.50 71
7 05/24/2019 19:13:02 -68.31, 70.38 132.63 05/24/2019 19:13:37 -68.29, 70.31 132.65 3.21 35
8 05/24/2019 20:03:46 68.19,-122.17 47.25 05/24/2019 20:03:04 68.18,-122.18 47.23 2.19 42
9 05/27/2019 10:39:21 68.65, 18.38 47.25 05/27/2019 10:40:33 68.54, 18.86 47.14 22.93 72
10 05/27/2019 11:29:58 -68.28,-173.82 133.13 05/27/2019 11:30:06 -68.27,-173.83 133.14 0.93 8
11 05/27/2019 12:20:42 68.17, -6.37 46.76 05/27/2019 12:19:33 68.15, -6.32 46.74 2.44 69
12 05/30/2019 02:56:12 68.35, 134.53 46.53 05/30/2019 02:57:05 68.35, 134.51 46.52 1.21 53
13 05/30/2019 03:46:54 -68.25, -58.02 133.58 05/30/2019 03:46:35 -68.25, -57.97 133.59 1.83 19
14 05/30/2019 04:37:22 67.33, 110.42 45.49 05/30/2019 04:36:14 67.40, 108.69 45.57 74.55 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/17/2019
SNOs_Map_NPP_TERRA_20190518.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/17/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service