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: 4/13/2018
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 04/14/2018 11:29:49 68.31, 6.18 58.72 04/14/2018 11:30:36 68.29, 6.14 58.69 3.21 47
2 04/14/2018 12:20:30 -68.17, 173.68 121.45 04/14/2018 12:20:06 -68.19, 173.65 121.43 2.54 24
3 04/14/2018 13:10:56 67.07, -17.68 57.44 04/14/2018 13:09:50 67.12, -19.91 57.51 96.75 66
4 04/17/2018 02:56:19 -69.39, -46.82 121.12 04/17/2018 02:57:25 -69.28, -44.39 121.26 96.32 66
5 04/17/2018 03:46:44 68.27, 122.01 57.72 04/17/2018 03:47:08 68.28, 122.00 57.73 1.43 24
6 04/17/2018 04:37:26 -68.17, -70.55 122.40 04/17/2018 04:36:38 -68.18, -70.49 122.39 2.77 48
7 04/19/2018 19:12:58 -68.55, 70.11 122.92 04/19/2018 19:14:10 -68.49, 70.48 122.99 16.36 72
8 04/19/2018 20:03:38 68.22,-122.17 56.74 04/19/2018 20:03:40 68.21,-122.22 56.72 2.67 2
9 04/19/2018 20:54:20 -68.12, 45.28 123.38 04/19/2018 20:53:10 -68.11, 45.30 123.39 1.60 70
10 04/22/2018 11:29:50 -68.34,-173.86 124.05 04/22/2018 11:30:44 -68.36,-173.81 124.03 2.90 54
11 04/22/2018 12:20:33 68.18, -6.34 55.78 04/22/2018 12:20:12 68.19, -6.37 55.79 1.62 21
12 04/22/2018 13:11:03 -67.43, 161.90 124.99 04/22/2018 13:09:53 -67.47, 160.44 124.93 62.48 70
13 04/25/2018 03:46:45 -68.29, -58.03 124.98 04/25/2018 03:47:17 -68.28, -58.04 125.00 1.94 32
14 04/25/2018 04:37:28 68.14, 109.48 54.86 04/25/2018 04:36:44 68.16, 109.46 54.88 2.57 44

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/13/2018
SNOs_Map_NPP_TERRA_20180413.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/13/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service