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: 7/18/2018
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 07/19/2018 11:30:00 69.00, 5.34 48.14 07/19/2018 11:31:09 68.86, 6.64 47.97 54.13 69
2 07/19/2018 12:20:31 -68.33, 173.55 132.54 07/19/2018 12:20:47 -68.31, 173.60 132.57 2.95 16
3 07/19/2018 13:11:14 68.14, -18.90 47.27 07/19/2018 13:10:15 68.14, -18.96 47.28 2.45 59
4 07/22/2018 03:46:46 68.39, 121.92 48.03 07/22/2018 03:47:46 68.40, 121.95 48.02 1.13 60
5 07/22/2018 04:37:27 -68.26, -70.59 132.11 07/22/2018 04:37:17 -68.24, -70.61 132.13 2.46 10
6 07/22/2018 05:28:02 67.64, 97.49 47.27 07/22/2018 05:26:52 67.67, 96.38 47.33 47.24 70
7 07/24/2018 20:03:41 68.32,-122.23 48.51 07/24/2018 20:04:15 68.31,-122.28 48.49 2.91 34
8 07/24/2018 20:54:22 -68.19, 45.27 131.63 07/24/2018 20:53:45 -68.21, 45.23 131.61 2.78 37
9 07/27/2018 11:30:01 -68.81,-174.41 130.41 07/27/2018 11:31:12 -68.66,-173.61 130.59 36.03 71
10 07/27/2018 12:20:38 68.31, -6.45 49.08 07/27/2018 12:20:43 68.32, -6.38 49.09 2.80 5
11 07/27/2018 13:11:19 -68.17, 161.05 131.06 07/27/2018 13:10:14 -68.17, 161.07 131.06 0.55 65
12 07/30/2018 03:46:50 -68.37, -58.06 130.24 07/30/2018 03:47:45 -68.39, -58.06 130.23 2.78 55
13 07/30/2018 04:37:34 68.25, 109.40 49.65 07/30/2018 04:37:12 68.27, 109.44 49.67 2.68 22
14 07/30/2018 05:28:03 -67.45, -82.30 131.16 07/30/2018 05:26:54 -67.50, -83.82 131.08 64.93 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/18/2018
SNOs_Map_NPP_TERRA_20180718.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/18/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service