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: 11/9/2018
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 11/11/2018 02:56:37 -68.43, -45.52 94.29 11/11/2018 02:57:24 -68.42, -45.47 94.30 2.33 47
2 11/11/2018 03:47:20 68.24, 122.03 85.53 11/11/2018 03:46:52 68.25, 121.97 85.54 2.90 28
3 11/11/2018 04:37:45 -67.25, -69.44 95.43 11/11/2018 04:36:37 -67.30, -71.48 95.42 88.04 68
4 11/13/2018 18:23:03 69.18, -98.08 87.16 11/13/2018 18:24:11 69.07, -96.40 87.09 67.72 68
5 11/13/2018 19:13:30 -68.35, 70.35 93.65 11/13/2018 19:13:51 -68.35, 70.34 93.65 0.45 21
6 11/13/2018 20:04:14 68.22,-122.17 86.23 11/13/2018 20:03:18 68.24,-122.15 86.25 2.36 56
7 11/16/2018 10:39:44 68.46, 18.65 87.14 11/16/2018 10:40:48 68.45, 18.72 87.13 2.94 64
8 11/16/2018 11:30:24 -68.27,-173.79 93.04 11/16/2018 11:30:19 -68.29,-173.84 93.02 3.09 5
9 11/16/2018 12:21:02 67.82, -5.91 86.53 11/16/2018 12:19:51 67.89, -6.67 86.58 32.71 71
10 11/19/2018 02:56:38 68.39, 134.51 87.71 11/19/2018 02:57:16 68.39, 134.54 87.71 1.12 38
11 11/19/2018 03:47:19 -68.25, -58.00 92.42 11/19/2018 03:46:47 -68.24, -58.02 92.44 1.86 32
12 11/21/2018 18:22:59 -69.03, 82.11 91.06 11/21/2018 18:24:09 -68.90, 83.42 91.17 53.92 70
13 11/21/2018 19:13:32 68.32,-109.64 88.25 11/21/2018 19:13:44 68.33,-109.64 88.26 1.49 12
14 11/21/2018 20:04:13 -68.18, 57.86 91.89 11/21/2018 20:03:15 -68.18, 57.81 91.89 2.15 58

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/9/2018
SNOs_Map_NPP_TERRA_20181109.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/09/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service