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: 2/1/2019
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 18:22:40 68.75, -97.55 85.74 02/01/2019 18:23:50 68.65, -96.80 85.61 32.27 70
2 02/01/2019 19:13:15 -68.29, 70.37 94.75 02/01/2019 19:13:25 -68.27, 70.37 94.77 2.41 10
3 02/01/2019 20:03:59 68.16,-122.16 85.12 02/01/2019 20:02:52 68.15,-122.12 85.11 1.98 67
4 02/04/2019 10:39:27 68.36, 18.73 84.56 02/04/2019 10:40:24 68.38, 18.75 84.57 2.50 57
5 02/04/2019 11:30:07 -68.23,-173.78 95.59 02/04/2019 11:29:54 -68.23,-173.80 95.59 0.91 13
6 02/04/2019 12:20:40 67.51, -5.58 83.66 02/04/2019 12:19:30 67.61, -6.88 83.80 56.13 70
7 02/07/2019 02:56:19 68.30, 134.58 83.69 02/07/2019 02:56:54 68.31, 134.55 83.69 1.66 35
8 02/07/2019 03:47:01 -68.22, -58.00 96.42 02/07/2019 03:46:24 -68.22, -57.94 96.42 2.48 37
9 02/09/2019 18:22:40 -69.01, 82.11 96.42 02/09/2019 18:23:49 -68.90, 83.50 96.58 56.83 69
10 02/09/2019 19:13:13 68.30,-109.64 82.84 02/09/2019 19:13:25 68.28,-109.63 82.81 2.91 12
11 02/09/2019 20:03:54 -68.16, 57.85 97.32 02/09/2019 20:02:55 -68.18, 57.90 97.30 3.06 59
12 02/12/2019 10:39:22 -68.36,-161.26 97.97 02/12/2019 10:40:29 -68.39,-161.26 97.95 3.34 67
13 02/12/2019 11:30:06 68.24, 6.20 81.90 02/12/2019 11:29:56 68.27, 6.24 81.92 2.92 10
14 02/12/2019 12:20:43 -67.89, 173.97 98.48 02/12/2019 12:19:30 -67.96, 173.50 98.39 21.02 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/1/2019
SNOs_Map_NPP_TERRA_20190201.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/01/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service