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: 2/8/2019
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 02/09/2019 18:22:39 -68.95, 82.19 96.48 02/09/2019 18:23:49 -68.85, 83.43 96.63 50.88 70
2 02/09/2019 19:13:13 68.28,-109.62 82.82 02/09/2019 19:13:24 68.30,-109.60 82.83 1.88 11
3 02/09/2019 20:03:54 -68.15, 57.86 97.33 02/09/2019 20:02:55 -68.14, 57.84 97.34 1.99 59
4 02/12/2019 10:39:21 -68.36,-161.25 97.97 02/12/2019 10:40:27 -68.35,-161.31 97.99 2.67 66
5 02/12/2019 11:30:05 68.23, 6.22 81.89 02/12/2019 11:29:54 68.23, 6.20 81.89 1.22 11
6 02/12/2019 12:20:41 -67.83, 174.04 98.55 02/12/2019 12:19:29 -67.85, 173.38 98.49 27.97 72
7 02/15/2019 02:56:15 -68.36, -45.48 98.88 02/15/2019 02:56:57 -68.36, -45.43 98.88 1.99 42
8 02/15/2019 03:46:58 68.18, 122.06 80.93 02/15/2019 03:46:25 68.19, 122.01 80.94 2.38 33
9 02/17/2019 18:22:39 69.08, -97.99 80.97 02/17/2019 18:23:48 68.98, -96.42 80.80 63.78 69
10 02/17/2019 19:13:08 -68.30, 70.37 99.86 02/17/2019 19:13:28 -68.33, 70.41 99.84 3.05 20
11 02/17/2019 20:03:52 68.18,-122.17 80.00 02/17/2019 20:02:56 68.15,-122.16 79.98 3.37 56
12 02/20/2019 10:39:20 68.39, 18.71 79.30 02/20/2019 10:40:29 68.40, 18.73 79.29 1.39 69
13 02/20/2019 11:30:01 -68.25,-173.79 100.87 02/20/2019 11:30:00 -68.25,-173.81 100.87 0.68 1
14 02/20/2019 12:20:42 67.97, -6.13 78.83 02/20/2019 12:19:29 68.02, -6.44 78.90 14.28 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/8/2019
SNOs_Map_NPP_TERRA_20190208.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/08/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service