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: 4/16/2018
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 04/17/2018 02:56:18 -69.38, -46.81 121.14 04/17/2018 02:57:24 -69.29, -44.37 121.25 95.97 66
2 04/17/2018 03:46:44 68.30, 121.96 57.75 04/17/2018 03:47:07 68.30, 122.02 57.75 2.59 23
3 04/17/2018 04:37:25 -68.16, -70.53 122.41 04/17/2018 04:36:38 -68.14, -70.54 122.43 2.17 47
4 04/19/2018 19:12:59 -68.59, 70.05 122.88 04/19/2018 19:14:10 -68.51, 70.50 122.97 20.25 71
5 04/19/2018 20:03:38 68.20,-122.14 56.72 04/19/2018 20:03:40 68.23,-122.19 56.74 3.34 2
6 04/19/2018 20:54:20 -68.11, 45.29 123.39 04/19/2018 20:53:10 -68.12, 45.32 123.37 2.05 70
7 04/22/2018 11:29:50 -68.33,-173.84 124.06 04/22/2018 11:30:45 -68.32,-173.86 124.07 0.89 55
8 04/22/2018 12:20:34 68.22, -6.39 55.82 04/22/2018 12:20:12 68.21, -6.35 55.81 2.09 22
9 04/22/2018 13:11:03 -67.42, 161.91 125.00 04/22/2018 13:09:53 -67.49, 160.46 124.91 62.44 70
10 04/25/2018 03:46:44 -68.29, -58.02 124.99 04/25/2018 03:47:16 -68.30, -58.02 124.98 1.36 32
11 04/25/2018 04:37:28 68.18, 109.43 54.90 04/25/2018 04:36:43 68.18, 109.49 54.90 2.77 45
12 04/27/2018 19:13:03 68.68,-110.08 54.56 04/27/2018 19:14:14 68.59,-109.42 54.47 28.06 71
13 04/27/2018 20:03:39 -68.25, 57.80 125.89 04/27/2018 20:03:48 -68.27, 57.82 125.87 2.48 9
14 04/27/2018 20:54:22 68.09,-134.69 53.95 04/27/2018 20:53:16 68.10,-134.74 53.95 2.32 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/16/2018
SNOs_Map_NPP_TERRA_20180416.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/16/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service