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: 1/19/2020
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 01/19/2020 19:12:27 -68.36, 70.45 91.39 01/19/2020 19:13:09 -68.36, 70.41 91.39 2.05 42
2 01/19/2020 20:03:11 68.24,-122.09 88.48 01/19/2020 20:02:36 68.26,-122.07 88.51 3.14 35
3 01/22/2020 10:38:53 69.25, 17.71 88.97 01/22/2020 10:40:00 69.14, 19.61 88.80 76.33 67
4 01/22/2020 11:29:20 -68.36,-173.77 91.97 01/22/2020 11:29:42 -68.37,-173.72 91.97 2.22 22
5 01/22/2020 12:20:03 68.19, -6.25 87.85 01/22/2020 12:19:10 68.21, -6.27 87.87 2.35 53
6 01/25/2020 02:55:33 68.56, 134.42 87.63 01/25/2020 02:56:44 68.53, 134.70 87.58 11.89 71
7 01/25/2020 03:46:12 -68.31, -57.93 92.65 01/25/2020 03:46:16 -68.31, -57.93 92.65 0.49 4
8 01/25/2020 04:36:56 68.19, 109.53 87.23 01/25/2020 04:35:43 68.20, 109.58 87.24 2.59 73
9 01/27/2020 19:12:23 68.41,-109.60 86.80 01/27/2020 19:13:19 68.41,-109.58 86.79 0.61 56
10 01/27/2020 20:03:04 -68.26, 57.91 93.37 01/27/2020 20:02:50 -68.25, 57.86 93.37 2.28 14
11 01/27/2020 20:53:36 67.50,-133.84 85.85 01/27/2020 20:52:27 67.58,-135.28 85.97 61.65 69
12 01/30/2020 11:29:14 68.37, 6.24 86.05 01/30/2020 11:29:52 68.34, 6.20 86.02 3.21 38
13 01/30/2020 12:19:56 -68.27, 173.68 94.07 01/30/2020 12:19:22 -68.24, 173.72 94.09 2.87 34
14 02/02/2020 02:55:37 -69.23, -46.46 93.79 02/02/2020 02:56:45 -69.17, -44.55 93.92 75.58 68
15 02/02/2020 03:46:06 68.32, 122.07 85.26 02/02/2020 03:46:25 68.33, 122.04 85.26 1.10 19

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/19/2020
SNOs_Map_NPP_TERRA_20200119.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/19/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service