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: 3/18/2018
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 03/18/2018 19:12:44 -68.33, 70.43 111.01 03/18/2018 19:13:36 -68.31, 70.41 111.04 2.02 52
2 03/18/2018 20:03:28 68.19,-122.09 68.84 03/18/2018 20:03:03 68.20,-122.08 68.85 1.04 25
3 03/18/2018 20:53:55 -67.31, 46.31 112.09 03/18/2018 20:52:46 -67.37, 44.61 111.98 73.48 69
4 03/21/2018 11:29:40 -68.31,-173.78 112.10 03/21/2018 11:30:11 -68.31,-173.74 112.10 1.58 31
5 03/21/2018 12:20:23 68.12, -6.23 67.70 03/21/2018 12:19:39 68.14, -6.29 67.73 3.10 44
6 03/24/2018 02:56:02 68.86, 133.95 67.43 03/24/2018 02:57:12 68.72, 134.98 67.26 44.31 70
7 03/24/2018 03:46:34 -68.23, -57.92 113.23 03/24/2018 03:46:49 -68.23, -57.98 113.24 2.77 15
8 03/24/2018 04:37:18 68.11, 109.55 66.63 03/24/2018 04:36:16 68.12, 109.53 66.65 1.70 62
9 03/26/2018 19:12:49 68.36,-109.63 65.86 03/26/2018 19:13:59 68.34,-109.65 65.83 2.16 70
10 03/26/2018 20:03:31 -68.27, 57.80 114.25 03/26/2018 20:03:29 -68.25, 57.87 114.27 3.51 2
11 03/26/2018 20:54:11 67.93,-134.46 65.39 03/26/2018 20:52:59 67.97,-134.81 65.44 15.09 72
12 03/29/2018 11:29:45 68.35, 6.15 64.80 03/29/2018 11:30:42 68.34, 6.17 64.78 1.31 57
13 03/29/2018 12:20:26 -68.20, 173.66 115.37 03/29/2018 12:20:13 -68.20, 173.63 115.38 1.15 13
14 03/29/2018 13:10:59 67.49, -18.15 63.89 03/29/2018 13:09:49 67.58, -19.43 64.01 55.33 70
15 04/01/2018 03:46:41 68.34, 121.93 63.75 04/01/2018 03:47:28 68.33, 121.96 63.73 2.29 47

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/18/2018
SNOs_Map_NPP_TERRA_20180318.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/18/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service