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: 5/7/2020
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 05/08/2020 02:55:50 -68.34, -45.41 128.96 05/08/2020 02:56:50 -68.34, -45.46 128.97 1.84 60
2 05/08/2020 03:46:34 68.22, 122.05 50.91 05/08/2020 03:46:17 68.23, 122.06 50.92 1.11 17
3 05/08/2020 04:37:06 -67.60, -69.85 129.73 05/08/2020 04:35:55 -67.68, -70.96 129.65 47.43 71
4 05/10/2020 19:12:44 -68.29, 70.42 129.72 05/10/2020 19:13:20 -68.30, 70.37 129.72 2.28 36
5 05/10/2020 20:03:28 68.17,-122.12 50.16 05/10/2020 20:02:47 68.18,-122.12 50.16 1.09 41
6 05/13/2020 10:39:04 68.77, 18.26 50.10 05/13/2020 10:40:15 68.63, 19.03 49.96 34.58 71
7 05/13/2020 11:29:38 -68.24,-173.74 130.44 05/13/2020 11:29:50 -68.25,-173.80 130.43 2.81 12
8 05/13/2020 12:20:22 68.13, -6.28 49.44 05/13/2020 12:19:17 68.13, -6.30 49.45 0.85 65
9 05/16/2020 02:55:51 68.35, 134.58 49.05 05/16/2020 02:56:49 68.36, 134.57 49.05 1.19 58
10 05/16/2020 03:46:33 -68.25, -57.97 131.06 05/16/2020 03:46:19 -68.26, -57.92 131.06 2.49 14
11 05/16/2020 04:37:06 67.54, 110.21 48.22 05/16/2020 04:35:56 67.58, 108.94 48.26 54.10 70
12 05/18/2020 19:12:44 68.31,-109.59 48.41 05/18/2020 19:13:18 68.30,-109.61 48.41 1.03 34
13 05/18/2020 20:03:26 -68.21, 57.86 131.70 05/18/2020 20:02:48 -68.21, 57.90 131.70 1.89 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/7/2020
SNOs_Map_NPP_TERRA_20200507.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/07/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service