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: 5/22/2019
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 05/24/2019 19:13:02 -68.33, 70.35 132.61 05/24/2019 19:13:36 -68.30, 70.33 132.64 3.18 34
2 05/24/2019 20:03:46 68.21,-122.19 47.27 05/24/2019 20:03:03 68.19,-122.15 47.25 2.45 43
3 05/27/2019 10:39:21 68.66, 18.36 47.27 05/27/2019 10:40:31 68.60, 18.94 47.20 24.64 70
4 05/27/2019 11:29:57 -68.25,-173.78 133.16 05/27/2019 11:30:05 -68.27,-173.83 133.14 3.03 8
5 05/27/2019 12:20:41 68.13, -6.32 46.72 05/27/2019 12:19:32 68.16, -6.32 46.74 2.80 69
6 05/30/2019 02:56:12 68.37, 134.51 46.55 05/30/2019 02:57:03 68.39, 134.56 46.56 2.83 51
7 05/30/2019 03:46:53 -68.22, -57.98 133.61 05/30/2019 03:46:34 -68.23, -57.99 133.60 0.94 19
8 05/30/2019 04:37:22 67.30, 110.47 45.46 05/30/2019 04:36:14 67.38, 108.68 45.55 77.15 68
9 06/01/2019 19:13:07 68.30,-109.63 46.09 06/01/2019 19:13:33 68.28,-109.68 46.08 2.85 26
10 06/01/2019 20:03:49 -68.20, 57.82 134.01 06/01/2019 20:03:03 -68.18, 57.84 134.03 1.99 46
11 06/04/2019 10:39:20 -68.50,-161.43 134.04 06/04/2019 10:40:32 -68.46,-161.23 134.08 9.15 72
12 06/04/2019 11:30:02 68.28, 6.16 45.74 06/04/2019 11:30:00 68.28, 6.20 45.74 1.53 2
13 06/04/2019 12:20:43 -68.13, 173.68 134.42 06/04/2019 12:19:31 -68.13, 173.65 134.42 0.99 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/22/2019
SNOs_Map_NPP_TERRA_20190522.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/22/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service