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: 6/20/2020
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 06/22/2020 10:38:58 -69.07,-162.08 134.44 06/22/2020 10:40:07 -68.98,-160.51 134.56 63.42 69
2 06/22/2020 11:29:30 68.30, 6.25 44.77 06/22/2020 11:29:44 68.32, 6.31 44.78 2.79 14
3 06/22/2020 12:20:11 -68.17, 173.74 135.37 06/22/2020 12:19:15 -68.16, 173.75 135.38 1.48 56
4 06/25/2020 02:55:39 -68.36, -45.35 135.12 06/25/2020 02:56:47 -68.38, -45.38 135.10 2.40 68
5 06/25/2020 03:46:23 68.23, 122.12 44.76 06/25/2020 03:46:14 68.26, 122.12 44.79 2.96 9
6 06/25/2020 04:37:00 -67.88, -70.12 135.60 06/25/2020 04:35:48 -67.94, -70.62 135.53 21.79 72
7 06/27/2020 19:12:33 -68.34, 70.44 135.03 06/27/2020 19:13:17 -68.32, 70.44 135.05 2.35 44
8 06/27/2020 20:03:17 68.22,-122.09 44.85 06/27/2020 20:02:44 68.20,-122.06 44.83 2.44 33
9 06/30/2020 10:38:56 69.06, 17.94 45.87 06/30/2020 10:40:05 68.97, 19.48 45.74 62.19 69
10 06/30/2020 11:29:25 -68.28,-173.69 134.94 06/30/2020 11:29:46 -68.26,-173.76 134.96 3.06 21
11 06/30/2020 12:20:09 68.16, -6.23 44.94 06/30/2020 12:19:13 68.14, -6.26 44.92 2.42 56
12 07/03/2020 02:55:38 68.41, 134.60 45.40 07/03/2020 02:56:44 68.40, 134.66 45.38 2.63 66
13 07/03/2020 03:46:19 -68.27, -57.90 134.75 07/03/2020 03:46:15 -68.25, -57.89 134.77 1.39 4
14 07/03/2020 04:36:58 67.88, 109.90 44.86 07/03/2020 04:35:46 67.90, 109.35 44.90 23.35 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/20/2020
SNOs_Map_NPP_TERRA_20200620.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/20/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service