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: 9/24/2018
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 09/26/2018 19:13:35 -68.42, 70.26 110.24 09/26/2018 19:14:29 -68.42, 70.23 110.25 1.06 54
2 09/26/2018 20:04:19 68.30,-122.28 69.65 09/26/2018 20:03:56 68.30,-122.26 69.66 0.85 23
3 09/26/2018 20:54:47 -67.46, 46.08 111.17 09/26/2018 20:53:38 -67.53, 44.48 111.12 68.94 69
4 09/29/2018 10:40:06 69.40, 17.37 71.77 09/29/2018 10:41:13 69.28, 19.57 71.67 87.19 67
5 09/29/2018 11:30:31 -68.40,-173.95 109.22 09/29/2018 11:30:57 -68.40,-173.91 109.22 1.74 26
6 09/29/2018 12:21:14 68.23, -6.41 70.63 09/29/2018 12:20:25 68.23, -6.47 70.62 2.42 49
7 10/02/2018 02:56:44 68.47, 134.41 71.89 10/02/2018 02:57:54 68.48, 134.44 71.89 1.18 70
8 10/02/2018 03:47:25 -68.33, -58.09 108.25 10/02/2018 03:47:25 -68.32, -58.12 108.26 1.67 0
9 10/02/2018 04:38:06 68.05, 109.59 71.49 10/02/2018 04:36:54 68.09, 109.25 71.52 14.65 72
10 10/04/2018 19:13:39 68.41,-109.73 72.85 10/04/2018 19:14:23 68.40,-109.78 72.84 2.30 44
11 10/04/2018 20:04:21 -68.32, 57.71 107.23 10/04/2018 20:03:53 -68.30, 57.74 107.25 2.22 28
12 10/07/2018 10:40:04 -69.20,-162.35 105.34 10/07/2018 10:41:13 -69.10,-160.66 105.42 67.67 69
13 10/07/2018 11:30:35 68.39, 6.06 73.87 10/07/2018 11:30:51 68.37, 6.07 73.85 2.76 16
14 10/07/2018 12:21:16 -68.25, 173.56 106.26 10/07/2018 12:20:21 -68.27, 173.59 106.24 2.94 55

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/24/2018
SNOs_Map_NPP_TERRA_20180925.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/24/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service