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: 1/25/2020
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 01/25/2020 04:36:57 68.09, 109.64 87.13 01/25/2020 04:35:44 68.11, 109.49 87.16 6.73 73
2 01/27/2020 19:12:29 68.39,-109.60 86.78 01/27/2020 19:13:19 68.38,-109.62 86.76 1.47 50
3 01/27/2020 20:03:10 -68.24, 57.90 93.38 01/27/2020 20:02:49 -68.27, 57.89 93.36 2.78 21
4 01/27/2020 20:53:38 67.26,-133.58 85.60 01/27/2020 20:52:31 67.32,-135.56 85.72 85.17 67
5 01/30/2020 11:29:25 68.37, 6.19 86.05 01/30/2020 11:29:52 68.36, 6.23 86.04 1.59 27
6 01/30/2020 12:20:06 -68.22, 173.70 94.12 01/30/2020 12:19:23 -68.21, 173.67 94.12 1.76 43
7 02/02/2020 02:55:43 -68.78, -45.90 94.26 02/02/2020 02:56:54 -68.69, -45.16 94.39 31.79 71
8 02/02/2020 03:46:20 68.29, 122.05 85.23 02/02/2020 03:46:26 68.29, 122.01 85.23 1.81 6
9 02/02/2020 04:37:02 -68.20, -70.51 94.89 02/02/2020 04:35:56 -68.20, -70.48 94.88 1.39 66
10 02/04/2020 19:12:31 -68.39, 70.39 95.45 02/04/2020 19:13:31 -68.39, 70.35 95.45 1.73 60
11 02/04/2020 20:03:15 68.27,-122.16 84.43 02/04/2020 20:02:58 68.28,-122.15 84.43 0.55 17
12 02/04/2020 20:53:47 -67.64, 45.95 96.25 02/04/2020 20:52:37 -67.68, 44.79 96.16 49.32 70
13 02/07/2020 11:29:27 -68.37,-173.83 96.28 02/07/2020 11:30:04 -68.38,-173.81 96.28 1.02 37
14 02/07/2020 12:20:11 68.26, -6.37 83.59 02/07/2020 12:19:31 68.25, -6.31 83.59 2.60 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/25/2020
SNOs_Map_NPP_TERRA_20200125.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/25/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service