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: 1/30/2020
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 01/30/2020 12:20:06 -68.21, 173.70 94.12 01/30/2020 12:19:23 -68.21, 173.67 94.12 1.58 43
2 02/02/2020 02:55:42 -68.78, -45.89 94.26 02/02/2020 02:56:53 -68.68, -45.16 94.39 31.09 71
3 02/02/2020 03:46:20 68.33, 122.00 85.27 02/02/2020 03:46:25 68.30, 122.01 85.24 3.40 5
4 02/02/2020 04:37:01 -68.19, -70.50 94.89 02/02/2020 04:35:55 -68.19, -70.48 94.88 0.86 66
5 02/04/2020 19:12:31 -68.38, 70.39 95.46 02/04/2020 19:13:31 -68.39, 70.33 95.46 2.55 60
6 02/04/2020 20:03:15 68.26,-122.14 84.41 02/04/2020 20:02:58 68.28,-122.15 84.43 2.14 17
7 02/04/2020 20:53:47 -67.63, 45.96 96.25 02/04/2020 20:52:37 -67.67, 44.78 96.17 50.21 70
8 02/07/2020 11:29:27 -68.36,-173.82 96.29 02/07/2020 11:30:04 -68.36,-173.83 96.30 0.64 37
9 02/07/2020 12:20:11 68.24, -6.36 83.58 02/07/2020 12:19:31 68.25, -6.32 83.59 1.53 40
10 02/10/2020 02:55:50 68.92, 133.89 83.46 02/10/2020 02:57:00 68.82, 134.96 83.31 44.56 70
11 02/10/2020 03:46:23 -68.34, -58.03 97.16 02/10/2020 03:46:37 -68.33, -58.01 97.18 1.78 14
12 02/10/2020 04:37:06 68.17, 109.50 82.66 02/10/2020 04:36:05 68.16, 109.43 82.65 3.21 61
13 02/12/2020 19:12:36 68.42,-109.69 82.07 02/12/2020 19:13:38 68.44,-109.64 82.07 2.74 62
14 02/12/2020 20:03:17 -68.28, 57.82 98.11 02/12/2020 20:03:09 -68.29, 57.81 98.09 2.03 8
15 02/12/2020 20:53:54 67.78,-134.25 81.37 02/12/2020 20:52:42 67.83,-135.08 81.46 35.27 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/30/2020
SNOs_Map_NPP_TERRA_20200131.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/30/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service