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: 1/30/2019
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 02/01/2019 18:22:39 68.71, -97.50 85.70 02/01/2019 18:23:50 68.62, -96.84 85.59 28.49 71
2 02/01/2019 19:13:15 -68.30, 70.35 94.74 02/01/2019 19:13:24 -68.30, 70.40 94.74 2.14 9
3 02/01/2019 20:03:58 68.12,-122.11 85.08 02/01/2019 20:02:52 68.12,-122.16 85.08 1.94 66
4 02/04/2019 10:39:27 68.38, 18.71 84.58 02/04/2019 10:40:23 68.36, 18.73 84.55 2.11 56
5 02/04/2019 11:30:08 -68.24,-173.80 95.58 02/04/2019 11:29:53 -68.27,-173.75 95.55 3.39 15
6 02/04/2019 12:20:40 67.47, -5.53 83.62 02/04/2019 12:19:31 67.53, -6.96 83.72 61.22 69
7 02/07/2019 02:56:20 68.32, 134.56 83.71 02/07/2019 02:56:52 68.33, 134.57 83.71 1.13 32
8 02/07/2019 03:47:01 -68.18, -57.95 96.46 02/07/2019 03:46:23 -68.18, -57.97 96.45 1.07 38
9 02/09/2019 18:22:37 -68.87, 82.30 96.57 02/09/2019 18:23:47 -68.76, 83.34 96.71 43.27 70
10 02/09/2019 19:13:12 68.27,-109.60 82.80 02/09/2019 19:13:21 68.25,-109.65 82.78 3.15 9
11 02/09/2019 20:03:54 -68.18, 57.83 97.31 02/09/2019 20:02:51 -68.16, 57.88 97.32 3.21 63
12 02/12/2019 10:39:21 -68.33,-161.22 98.00 02/12/2019 10:40:23 -68.35,-161.29 97.99 3.59 62
13 02/12/2019 11:30:05 68.21, 6.24 81.87 02/12/2019 11:29:50 68.22, 6.20 81.88 1.78 15
14 02/12/2019 12:20:38 -67.64, 174.27 98.74 02/12/2019 12:19:27 -67.74, 173.28 98.60 43.60 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/30/2019
SNOs_Map_NPP_TERRA_20190130.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/30/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service