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: 3/22/2018
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 03/24/2018 02:55:57 68.58, 134.31 67.14 03/24/2018 02:57:09 68.49, 134.73 67.04 19.44 72
2 03/24/2018 03:46:34 -68.23, -57.91 113.24 03/24/2018 03:46:42 -68.22, -57.97 113.25 2.37 8
3 03/24/2018 04:37:18 68.10, 109.56 66.62 03/24/2018 04:36:09 68.11, 109.55 66.64 1.25 69
4 03/26/2018 19:12:49 68.36,-109.63 65.85 03/26/2018 19:13:44 68.35,-109.58 65.84 1.90 55
5 03/26/2018 20:03:30 -68.22, 57.87 114.31 03/26/2018 20:03:15 -68.19, 57.86 114.33 2.44 15
6 03/26/2018 20:54:02 67.44,-133.86 64.89 03/26/2018 20:52:53 67.46,-135.33 64.94 62.69 69
7 03/29/2018 11:29:44 68.30, 6.22 64.74 03/29/2018 11:30:17 68.31, 6.24 64.75 1.83 33
8 03/29/2018 12:20:25 -68.15, 173.72 115.43 03/29/2018 12:19:48 -68.16, 173.69 115.42 1.74 37
9 04/01/2018 02:56:04 -68.89, -46.10 115.68 04/01/2018 02:57:14 -68.83, -44.91 115.77 48.32 70
10 04/01/2018 03:46:38 68.24, 122.06 63.64 04/01/2018 03:46:49 68.26, 122.05 63.67 3.07 11
11 04/01/2018 04:37:20 -68.14, -70.50 116.48 04/01/2018 04:36:20 -68.11, -70.50 116.50 3.33 60
12 04/03/2018 19:12:50 -68.35, 70.38 117.27 04/03/2018 19:13:55 -68.33, 70.35 117.29 2.40 65
13 04/03/2018 20:03:34 68.24,-122.17 62.61 04/03/2018 20:03:22 68.21,-122.15 62.58 2.91 12
14 04/03/2018 20:54:09 -67.76, 45.75 117.90 04/03/2018 20:52:57 -67.84, 45.05 117.81 30.67 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/22/2018
SNOs_Map_NPP_TERRA_20180322.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/22/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service