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: 1/13/2019
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 01/14/2019 02:56:27 -68.33, -45.47 90.38 01/14/2019 02:56:59 -68.34, -45.45 90.38 0.79 32
2 01/14/2019 03:47:10 68.16, 122.06 89.44 01/14/2019 03:46:27 68.17, 122.00 89.46 2.82 43
3 01/16/2019 18:22:44 68.67, -97.46 89.50 01/16/2019 18:23:55 68.60, -96.88 89.40 24.84 71
4 01/16/2019 19:13:20 -68.26, 70.40 90.94 01/16/2019 19:13:29 -68.27, 70.35 90.93 2.41 9
5 01/16/2019 20:04:04 68.14,-122.14 88.93 01/16/2019 20:02:56 68.16,-122.13 88.96 2.19 68
6 01/19/2019 10:39:33 68.39, 18.69 88.67 01/19/2019 10:40:28 68.37, 18.72 88.64 2.37 55
7 01/19/2019 11:30:14 -68.24,-173.80 91.50 01/19/2019 11:29:58 -68.26,-173.78 91.47 2.87 16
8 01/19/2019 12:20:46 67.48, -5.55 87.72 01/19/2019 12:19:36 67.53, -6.97 87.81 60.83 70
9 01/22/2019 02:56:26 68.32, 134.55 88.02 01/22/2019 02:56:58 68.31, 134.52 88.00 1.66 32
10 01/22/2019 03:47:08 -68.22, -58.01 92.09 01/22/2019 03:46:28 -68.20, -57.97 92.11 2.94 40
11 01/24/2019 18:22:43 -68.85, 82.31 92.05 01/24/2019 18:23:53 -68.76, 83.31 92.18 41.21 70
12 01/24/2019 19:13:18 68.26,-109.60 87.33 01/24/2019 19:13:27 68.25,-109.67 87.32 2.85 9
13 01/24/2019 20:04:00 -68.16, 57.84 92.78 01/24/2019 20:02:57 -68.15, 57.85 92.79 1.09 63

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/13/2019
SNOs_Map_NPP_TERRA_20190113.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service