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: 6/23/2020
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 06/25/2020 02:55:39 -68.38, -45.38 135.09 06/25/2020 02:56:47 -68.35, -45.41 135.13 3.39 68
2 06/25/2020 03:46:23 68.25, 122.09 44.78 06/25/2020 03:46:14 68.24, 122.10 44.77 1.42 9
3 06/25/2020 04:37:00 -67.91, -70.15 135.58 06/25/2020 04:35:47 -67.97, -70.59 135.50 19.43 73
4 06/27/2020 19:12:33 -68.37, 70.42 135.00 06/27/2020 19:13:16 -68.36, 70.48 135.02 2.75 43
5 06/27/2020 20:03:16 68.19,-122.04 44.82 06/27/2020 20:02:44 68.19,-122.08 44.82 1.56 32
6 06/30/2020 10:38:57 69.08, 17.92 45.89 06/30/2020 10:40:06 68.96, 19.47 45.73 63.22 69
7 06/30/2020 11:29:26 -68.30,-173.72 134.92 06/30/2020 11:29:46 -68.30,-173.71 134.92 0.63 20
8 06/30/2020 12:20:10 68.17, -6.25 44.96 06/30/2020 12:19:13 68.18, -6.21 44.97 2.12 57
9 07/03/2020 02:55:38 68.37, 134.65 45.36 07/03/2020 02:56:45 68.39, 134.65 45.37 2.62 67
10 07/03/2020 03:46:19 -68.23, -57.86 134.79 07/03/2020 03:46:16 -68.24, -57.90 134.78 2.17 3
11 07/03/2020 04:36:58 67.89, 109.88 44.87 07/03/2020 04:35:45 67.95, 109.40 44.95 20.87 73
12 07/05/2020 19:12:30 68.31,-109.49 45.54 07/05/2020 19:13:14 68.33,-109.55 45.56 3.20 44
13 07/05/2020 20:03:12 -68.22, 57.94 134.55 07/05/2020 20:02:44 -68.24, 57.98 134.53 2.44 28

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/23/2020
SNOs_Map_NPP_TERRA_20200623.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/23/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service