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: 10/19/2018
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 10/20/2018 19:13:34 68.44,-109.72 78.88 10/20/2018 19:14:10 68.42,-109.72 78.85 3.11 36
2 10/20/2018 20:04:15 -68.32, 57.76 101.24 10/20/2018 20:03:40 -68.31, 57.78 101.25 1.30 35
3 10/23/2018 10:39:53 -69.02,-162.04 99.62 10/23/2018 10:41:03 -68.91,-160.88 99.71 48.11 70
4 10/23/2018 11:30:28 68.41, 6.09 79.79 10/23/2018 11:30:37 68.40, 6.14 79.78 2.44 9
5 10/23/2018 12:21:08 -68.23, 173.64 100.38 10/23/2018 12:20:08 -68.24, 173.58 100.37 2.80 60
6 10/26/2018 02:56:36 -68.46, -45.51 99.25 10/26/2018 02:57:37 -68.44, -45.57 99.26 2.56 61
7 10/26/2018 03:47:20 68.32, 121.97 80.64 10/26/2018 03:47:04 68.32, 121.93 80.63 1.43 16
8 10/26/2018 04:37:53 -67.76, -70.01 99.91 10/26/2018 04:36:42 -67.78, -71.07 99.92 44.73 71
9 10/28/2018 19:13:30 -68.42, 70.30 98.38 10/28/2018 19:14:04 -68.42, 70.29 98.38 0.46 34
10 10/28/2018 20:04:14 68.29,-122.23 81.51 10/28/2018 20:03:31 68.29,-122.21 81.51 0.53 43
11 10/31/2018 10:39:47 68.74, 18.33 82.81 10/31/2018 10:40:58 68.65, 18.83 82.73 22.77 71
12 10/31/2018 11:30:24 -68.39,-173.89 97.53 10/31/2018 11:30:31 -68.39,-173.86 97.53 1.47 7
13 10/31/2018 12:21:08 68.27, -6.42 82.36 10/31/2018 12:19:58 68.26, -6.37 82.35 2.44 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/19/2018
SNOs_Map_NPP_TERRA_20181019.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service