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: 10/16/2018
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 10/18/2018 02:56:40 68.48, 134.46 77.95 10/18/2018 02:57:42 68.46, 134.46 77.93 2.24 62
2 10/18/2018 03:47:21 -68.35, -58.05 102.17 10/18/2018 03:47:12 -68.35, -58.05 102.18 0.51 9
3 10/18/2018 04:37:57 67.79, 109.97 77.29 10/18/2018 04:36:46 67.85, 109.01 77.33 40.83 71
4 10/20/2018 19:13:34 68.45,-109.72 78.88 10/20/2018 19:14:09 68.42,-109.71 78.85 3.41 35
5 10/20/2018 20:04:15 -68.32, 57.76 101.24 10/20/2018 20:03:39 -68.31, 57.79 101.25 1.46 36
6 10/23/2018 10:39:52 -68.97,-161.96 99.67 10/23/2018 10:41:02 -68.86,-160.92 99.76 43.48 70
7 10/23/2018 11:30:27 68.36, 6.15 79.74 10/23/2018 11:30:36 68.35, 6.10 79.73 2.60 9
8 10/23/2018 12:21:08 -68.23, 173.64 100.38 10/23/2018 12:20:06 -68.25, 173.61 100.37 2.61 62
9 10/26/2018 02:56:36 -68.46, -45.51 99.25 10/26/2018 02:57:34 -68.44, -45.54 99.26 1.92 58
10 10/26/2018 03:47:20 68.33, 121.96 80.64 10/26/2018 03:47:01 68.32, 121.95 80.63 1.21 19
11 10/26/2018 04:37:51 -67.66, -69.88 100.01 10/26/2018 04:36:40 -67.72, -71.12 99.98 52.60 71
12 10/28/2018 18:23:07 69.53, -98.53 82.71 10/28/2018 18:24:13 69.44, -96.02 82.66 98.48 66
13 10/28/2018 19:13:30 -68.43, 70.29 98.37 10/28/2018 19:14:00 -68.40, 70.29 98.40 3.34 30
14 10/28/2018 20:04:13 68.25,-122.17 81.47 10/28/2018 20:03:27 68.27,-122.21 81.48 2.86 46

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/16/2018
SNOs_Map_NPP_TERRA_20181016.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/16/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service