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: 1/26/2018
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 01/27/2018 02:56:06 -68.34, -45.40 93.23 01/27/2018 02:56:57 -68.34, -45.43 93.24 1.18 51
2 01/27/2018 03:46:50 68.20, 122.08 86.63 01/27/2018 03:46:24 68.22, 122.08 86.65 1.98 26
3 01/27/2018 04:37:16 -67.27, -69.46 94.35 01/27/2018 04:36:08 -67.34, -71.30 94.22 79.57 68
4 01/29/2018 18:22:35 69.36, -98.32 87.14 01/29/2018 18:23:41 69.25, -96.04 86.96 90.74 66
5 01/29/2018 19:12:59 -68.32, 70.40 93.95 01/29/2018 19:13:26 -68.31, 70.42 93.97 1.18 27
6 01/29/2018 20:03:43 68.19,-122.12 85.91 01/29/2018 20:02:53 68.19,-122.07 85.91 2.10 50
7 02/01/2018 10:39:12 68.49, 18.64 85.49 02/01/2018 10:40:24 68.43, 18.82 85.42 9.50 72
8 02/01/2018 11:29:51 -68.25,-173.73 94.77 02/01/2018 11:29:55 -68.28,-173.74 94.74 3.13 4
9 02/01/2018 12:20:35 68.12, -6.26 85.09 02/01/2018 12:19:23 68.10, -6.30 85.08 2.82 72
10 02/04/2018 02:56:01 68.31, 134.64 84.53 02/04/2018 02:56:53 68.33, 134.58 84.55 3.33 52
11 02/04/2018 03:46:43 -68.23, -57.93 95.56 02/04/2018 03:46:23 -68.23, -57.90 95.56 1.27 20
12 02/04/2018 04:37:12 67.29, 110.52 83.46 02/04/2018 04:36:04 67.33, 108.70 83.55 78.35 68
13 02/06/2018 19:12:54 68.30,-109.57 83.71 02/06/2018 19:13:22 68.28,-109.60 83.68 2.86 28
14 02/06/2018 20:03:35 -68.17, 57.93 96.45 02/06/2018 20:02:52 -68.19, 57.92 96.42 1.97 43

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/26/2018
SNOs_Map_NPP_TERRA_20180126.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/26/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service