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: 3/26/2020
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 03/29/2020 02:55:57 68.65, 134.18 65.04 03/29/2020 02:57:08 68.58, 134.71 64.95 23.19 71
2 03/29/2020 03:46:33 -68.25, -57.98 115.38 03/29/2020 03:46:42 -68.25, -58.05 115.39 2.72 9
3 03/29/2020 04:37:17 68.12, 109.50 64.47 03/29/2020 04:36:09 68.13, 109.46 64.49 2.40 68
4 03/31/2020 19:12:47 68.35,-109.66 63.70 03/31/2020 19:13:40 68.33,-109.70 63.67 2.78 53
5 03/31/2020 20:03:28 -68.22, 57.83 116.46 03/31/2020 20:03:10 -68.23, 57.82 116.45 1.40 18
6 03/31/2020 20:53:58 67.33,-133.77 62.63 03/31/2020 20:52:50 67.38,-135.52 62.71 74.82 68
7 04/03/2020 11:29:42 68.32, 6.14 62.64 04/03/2020 11:30:08 68.30, 6.16 62.61 2.63 26
8 04/03/2020 12:20:23 -68.19, 173.64 117.52 04/03/2020 12:19:38 -68.20, 173.68 117.50 2.53 45
9 04/06/2020 02:55:56 -68.58, -45.73 118.11 04/06/2020 02:57:07 -68.51, -45.35 118.20 17.76 71
10 04/06/2020 03:46:35 68.25, 122.01 61.54 04/06/2020 03:46:35 68.27, 122.01 61.56 2.60 0
11 04/06/2020 04:37:16 -68.11, -70.49 118.62 04/06/2020 04:36:06 -68.12, -70.54 118.61 2.44 70
12 04/08/2020 19:12:46 -68.34, 70.35 119.36 04/08/2020 19:13:36 -68.36, 70.36 119.35 2.16 50
13 04/08/2020 20:03:30 68.23,-122.19 60.51 04/08/2020 20:03:03 68.23,-122.14 60.52 2.16 27
14 04/08/2020 20:53:56 -67.27, 46.30 120.47 04/08/2020 20:52:48 -67.30, 44.42 120.41 80.59 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/26/2020
SNOs_Map_NPP_TERRA_20200327.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/26/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service