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: 2/21/2020
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 02/23/2020 11:29:33 -68.37,-173.86 101.75 02/23/2020 11:30:23 -68.38,-173.90 101.74 2.14 50
2 02/23/2020 12:20:17 68.24, -6.39 78.11 02/23/2020 12:19:50 68.27, -6.39 78.14 3.55 27
3 02/23/2020 13:10:43 -67.30, 162.09 102.88 02/23/2020 13:09:35 -67.33, 160.16 102.78 82.67 68
4 02/26/2020 02:56:04 69.36, 133.25 78.31 02/26/2020 02:57:11 69.22, 135.39 78.10 85.52 67
5 02/26/2020 03:46:29 -68.36, -58.09 102.75 02/26/2020 03:46:55 -68.34, -58.08 102.77 2.51 26
6 02/26/2020 04:37:12 68.24, 109.38 77.11 02/26/2020 04:36:21 68.23, 109.42 77.11 2.00 51
7 02/28/2020 19:12:43 68.50,-109.82 76.40 02/28/2020 19:13:54 68.48,-109.67 76.37 6.07 71
8 02/28/2020 20:03:23 -68.31, 57.75 103.81 02/28/2020 20:03:25 -68.33, 57.78 103.79 2.92 2
9 02/28/2020 20:54:06 68.13,-134.71 75.99 02/28/2020 20:52:53 68.16,-134.79 76.03 4.59 73
10 03/02/2020 11:29:37 68.39, 6.09 75.27 03/02/2020 11:30:26 68.39, 6.09 75.26 0.29 49
11 03/02/2020 12:20:18 -68.25, 173.59 104.90 03/02/2020 12:19:57 -68.24, 173.54 104.90 2.45 21
12 03/02/2020 13:10:46 67.26, -17.89 74.07 03/02/2020 13:09:38 67.33, -19.86 74.21 84.94 68
13 03/05/2020 02:56:07 -69.47, -46.93 104.63 03/05/2020 02:57:13 -69.39, -44.42 104.79 98.50 66
14 03/05/2020 03:46:32 68.34, 121.93 74.18 03/05/2020 03:46:57 68.33, 121.88 74.16 2.30 25
15 03/05/2020 04:37:14 -68.25, -70.64 105.93 03/05/2020 04:36:27 -68.23, -70.59 105.94 2.65 47

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/21/2020
SNOs_Map_NPP_TERRA_20200221.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/21/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service