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: 4/20/2018
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 04/22/2018 11:29:50 -68.35,-173.87 124.04 04/22/2018 11:30:44 -68.36,-173.82 124.03 2.73 54
2 04/22/2018 12:20:33 68.18, -6.34 55.78 04/22/2018 12:20:12 68.21, -6.36 55.81 3.33 21
3 04/22/2018 13:11:03 -67.44, 161.89 124.98 04/22/2018 13:09:53 -67.48, 160.44 124.93 62.13 70
4 04/25/2018 03:46:45 -68.31, -58.04 124.97 04/25/2018 03:47:17 -68.29, -58.03 124.98 1.64 32
5 04/25/2018 04:37:28 68.14, 109.48 54.86 04/25/2018 04:36:45 68.13, 109.42 54.85 2.41 43
6 04/27/2018 19:13:04 68.69,-110.10 54.58 04/27/2018 19:14:15 68.60,-109.42 54.48 29.04 71
7 04/27/2018 20:03:40 -68.27, 57.78 125.87 04/27/2018 20:03:49 -68.27, 57.81 125.86 1.48 9
8 04/27/2018 20:54:22 68.10,-134.71 53.96 04/27/2018 20:53:16 68.11,-134.74 53.97 1.39 66
9 04/30/2018 11:29:52 68.34, 6.14 53.38 04/30/2018 11:30:50 68.36, 6.15 53.40 2.24 58
10 04/30/2018 12:20:34 -68.23, 173.59 126.74 04/30/2018 12:20:20 -68.25, 173.65 126.72 2.94 14
11 04/30/2018 13:11:07 67.53, -18.23 52.55 04/30/2018 13:09:57 67.58, -19.48 52.61 53.37 70
12 05/03/2018 03:46:47 68.30, 121.95 52.55 05/03/2018 03:47:22 68.33, 121.98 52.57 2.49 35
13 05/03/2018 04:37:28 -68.15, -70.53 127.63 05/03/2018 04:36:53 -68.16, -70.58 127.61 2.99 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/20/2018
SNOs_Map_NPP_TERRA_20180420.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/20/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service