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: 4/19/2018
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 04/19/2018 19:12:58 -68.56, 70.09 122.91 04/19/2018 19:14:10 -68.48, 70.47 123.00 17.38 72
2 04/19/2018 20:03:38 68.22,-122.17 56.74 04/19/2018 20:03:40 68.22,-122.21 56.73 1.94 2
3 04/19/2018 20:54:19 -68.08, 45.33 123.42 04/19/2018 20:53:10 -68.10, 45.29 123.40 3.14 69
4 04/22/2018 11:29:50 -68.35,-173.87 124.03 04/22/2018 11:30:44 -68.36,-173.81 124.03 2.72 54
5 04/22/2018 12:20:33 68.18, -6.35 55.79 04/22/2018 12:20:12 68.20, -6.36 55.81 2.18 21
6 04/22/2018 13:11:03 -67.44, 161.88 124.97 04/22/2018 13:09:53 -67.48, 160.44 124.93 61.69 70
7 04/25/2018 03:46:45 -68.31, -58.05 124.96 04/25/2018 03:47:17 -68.29, -58.03 124.98 2.11 32
8 04/25/2018 04:37:28 68.15, 109.47 54.86 04/25/2018 04:36:45 68.13, 109.43 54.85 2.40 43
9 04/27/2018 19:13:04 68.70,-110.10 54.58 04/27/2018 19:14:15 68.61,-109.41 54.49 29.74 71
10 04/27/2018 20:03:40 -68.27, 57.77 125.86 04/27/2018 20:03:49 -68.28, 57.82 125.86 2.12 9
11 04/27/2018 20:54:23 68.11,-134.71 53.97 04/27/2018 20:53:17 68.11,-134.73 53.97 0.67 66
12 04/30/2018 11:29:52 68.34, 6.14 53.39 04/30/2018 11:30:50 68.36, 6.16 53.41 2.37 58
13 04/30/2018 12:20:33 -68.18, 173.66 126.79 04/30/2018 12:20:21 -68.20, 173.60 126.77 3.10 12
14 04/30/2018 13:11:07 67.54, -18.24 52.56 04/30/2018 13:09:57 67.58, -19.47 52.61 52.65 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/19/2018
SNOs_Map_NPP_TERRA_20180419.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service