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: 3/13/2019
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 03/13/2019 19:12:57 68.35,-109.65 71.09 03/13/2019 19:13:32 68.33,-109.60 71.07 2.74 35
2 03/13/2019 20:03:37 -68.17, 57.89 109.11 03/13/2019 20:03:03 -68.18, 57.85 109.10 1.93 34
3 03/16/2019 10:39:17 -69.04,-162.11 109.24 03/16/2019 10:40:26 -68.93,-160.63 109.40 60.44 69
4 03/16/2019 11:29:49 68.27, 6.23 69.95 03/16/2019 11:30:03 68.25, 6.18 69.93 2.26 14
5 03/16/2019 12:20:30 -68.14, 173.71 110.20 03/16/2019 12:19:33 -68.16, 173.70 110.18 2.13 57
6 03/19/2019 02:55:57 -68.37, -45.44 111.00 03/19/2019 02:57:05 -68.36, -45.46 111.02 2.34 68
7 03/19/2019 03:46:41 68.24, 122.04 68.86 03/19/2019 03:46:32 68.23, 122.03 68.84 1.43 9
8 03/19/2019 04:37:18 -67.90, -70.21 111.51 03/19/2019 04:36:05 -67.97, -70.64 111.43 19.67 73
9 03/21/2019 19:12:50 -68.35, 70.37 112.08 03/21/2019 19:13:35 -68.33, 70.38 112.11 2.45 45
10 03/21/2019 20:03:34 68.22,-122.16 67.77 03/21/2019 20:03:02 68.20,-122.12 67.75 2.72 32
11 03/21/2019 20:53:56 -67.07, 46.57 113.43 03/21/2019 20:52:50 -67.10, 44.26 113.33 99.84 66
12 03/24/2019 10:39:15 69.16, 17.74 67.71 03/24/2019 10:40:23 69.05, 19.53 67.56 72.02 68
13 03/24/2019 11:29:42 -68.27,-173.75 113.22 03/24/2019 11:30:05 -68.30,-173.78 113.20 2.60 23
14 03/24/2019 12:20:26 68.15, -6.29 66.64 03/24/2019 12:19:32 68.17, -6.29 66.66 1.93 54

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/13/2019
SNOs_Map_NPP_TERRA_20190313.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service