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: 2/15/2018
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 02/17/2018 10:39:09 69.02, 17.97 80.93 02/17/2018 10:40:18 68.87, 19.35 80.73 57.33 69
2 02/17/2018 11:29:38 -68.25,-173.69 99.89 02/17/2018 11:29:57 -68.27,-173.76 99.87 3.52 19
3 02/17/2018 12:20:23 68.17, -6.28 80.01 02/17/2018 12:19:24 68.15, -6.25 80.01 1.91 59
4 02/20/2018 02:55:50 68.37, 134.61 79.30 02/20/2018 02:56:56 68.37, 134.60 79.29 0.45 66
5 02/20/2018 03:46:31 -68.24, -57.91 100.85 02/20/2018 03:46:26 -68.27, -57.88 100.83 2.84 5
6 02/20/2018 04:37:10 67.84, 109.91 78.73 02/20/2018 04:35:58 67.87, 109.29 78.78 25.97 72
7 02/22/2018 19:12:42 68.32,-109.54 78.27 02/22/2018 19:13:26 68.31,-109.59 78.26 2.47 44
8 02/22/2018 20:03:23 -68.19, 57.95 101.88 02/22/2018 20:02:56 -68.21, 57.93 101.86 2.52 27
9 02/25/2018 10:39:07 -69.30,-162.39 101.69 02/25/2018 10:40:14 -69.20,-160.24 101.86 85.42 67
10 02/25/2018 11:29:35 68.32, 6.24 77.28 02/25/2018 11:29:55 68.30, 6.28 77.25 3.03 20
11 02/25/2018 12:20:15 -68.13, 173.80 102.93 02/25/2018 12:19:26 -68.15, 173.73 102.91 3.05 49
12 02/28/2018 02:55:44 -68.50, -45.52 103.53 02/28/2018 02:56:55 -68.46, -45.29 103.58 10.45 71
13 02/28/2018 03:46:26 68.27, 122.08 76.22 02/28/2018 03:46:23 68.28, 122.14 76.23 2.81 3
14 02/28/2018 04:37:07 -68.13, -70.43 103.94 02/28/2018 04:35:54 -68.13, -70.40 103.93 0.95 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/15/2018
SNOs_Map_NPP_TERRA_20180215.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/15/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service