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: 5/5/2019
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 05/06/2019 02:55:58 -68.37, -45.44 128.18 05/06/2019 02:57:08 -68.39, -45.44 128.16 2.11 70
2 05/06/2019 03:46:42 68.25, 122.02 51.70 05/06/2019 03:46:36 68.23, 122.02 51.68 1.77 6
3 05/06/2019 04:37:21 -68.00, -70.34 128.57 05/06/2019 04:36:07 -68.06, -70.55 128.51 11.20 74
4 05/08/2019 19:12:54 -68.33, 70.38 128.96 05/08/2019 19:13:38 -68.34, 70.38 128.95 1.68 44
5 05/08/2019 20:03:38 68.21,-122.16 50.91 05/08/2019 20:03:06 68.18,-122.17 50.88 3.15 32
6 05/11/2019 10:39:20 69.02, 17.90 51.05 05/11/2019 10:40:29 68.90, 19.31 50.92 58.04 69
7 05/11/2019 11:29:50 -68.28,-173.80 129.71 05/11/2019 11:30:08 -68.29,-173.81 129.71 0.60 18
8 05/11/2019 12:20:34 68.17, -6.34 50.17 05/11/2019 12:19:35 68.17, -6.29 50.18 2.12 59
9 05/14/2019 02:56:04 68.39, 134.51 49.75 05/14/2019 02:57:06 68.38, 134.56 49.73 2.38 62
10 05/14/2019 03:46:45 -68.24, -57.98 130.42 05/14/2019 03:46:37 -68.22, -58.00 130.44 2.11 8
11 05/14/2019 04:37:21 67.70, 110.01 49.03 05/14/2019 04:36:10 67.77, 109.12 49.10 38.60 71
12 05/16/2019 19:12:59 68.30,-109.61 49.02 05/16/2019 19:13:36 68.31,-109.65 49.03 1.79 37
13 05/16/2019 20:03:41 -68.20, 57.84 131.09 05/16/2019 20:03:06 -68.21, 57.87 131.08 1.64 35

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/5/2019
SNOs_Map_NPP_TERRA_20190505.jpg

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

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service