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: 5/13/2018
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 05/13/2018 19:13:12 69.05,-110.58 50.43 05/13/2018 19:14:21 68.91,-109.08 50.29 62.08 69
2 05/13/2018 20:03:41 -68.27, 57.78 130.38 05/13/2018 20:04:01 -68.24, 57.73 130.40 2.94 20
3 05/13/2018 20:54:25 68.14,-134.76 49.50 05/13/2018 20:53:28 68.14,-134.74 49.49 0.62 57
4 05/16/2018 11:29:54 68.33, 6.15 49.07 05/16/2018 11:31:02 68.35, 6.10 49.09 2.83 68
5 05/16/2018 12:20:36 -68.24, 173.58 131.03 05/16/2018 12:20:32 -68.24, 173.60 131.03 1.04 4
6 05/16/2018 13:11:15 67.85, -18.62 48.57 05/16/2018 13:10:03 67.91, -19.14 48.63 22.74 72
7 05/19/2018 03:46:49 68.31, 121.94 48.46 05/19/2018 03:47:33 68.34, 121.96 48.48 3.31 44
8 05/19/2018 04:37:30 -68.17, -70.55 131.70 05/19/2018 04:37:04 -68.18, -70.60 131.69 2.28 26
9 05/21/2018 19:13:15 -69.27, 69.12 131.13 05/21/2018 19:14:23 -69.17, 71.22 131.24 83.48 68
10 05/21/2018 20:03:43 68.30,-122.26 47.88 05/21/2018 20:04:04 68.27,-122.25 47.86 2.60 21
11 05/21/2018 20:54:24 -68.15, 45.24 132.27 05/21/2018 20:53:34 -68.17, 45.26 132.25 2.63 50
12 05/24/2018 11:29:55 -68.45,-174.00 132.47 05/24/2018 11:31:07 -68.43,-173.83 132.49 7.11 72
13 05/24/2018 12:20:37 68.23, -6.40 47.30 05/24/2018 12:20:35 68.26, -6.40 47.33 3.31 2
14 05/24/2018 13:11:18 -68.08, 161.10 132.86 05/24/2018 13:10:06 -68.10, 161.05 132.83 3.26 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/13/2018
SNOs_Map_NPP_TERRA_20180513.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/13/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service