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: 9/25/2019
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 09/27/2019 02:05:52 68.59, 146.94 69.95 09/27/2019 02:07:03 68.58, 147.17 69.94 9.47 71
2 09/27/2019 02:56:31 -68.34, -45.42 110.30 09/27/2019 02:56:35 -68.35, -45.47 110.28 2.83 4
3 09/27/2019 03:47:15 68.22, 122.04 69.60 09/27/2019 03:46:02 68.24, 122.05 69.63 3.05 73
4 09/29/2019 18:22:44 68.43, -97.08 70.83 09/29/2019 18:23:34 68.46, -97.10 70.86 3.41 50
5 09/29/2019 19:13:26 -68.34, 70.35 109.25 09/29/2019 19:13:04 -68.35, 70.41 109.24 2.77 22
6 09/29/2019 20:03:54 67.36,-121.12 69.80 09/29/2019 20:02:46 67.40,-123.05 69.82 82.53 68
7 10/02/2019 10:39:38 68.38, 18.75 71.83 10/02/2019 10:40:04 68.40, 18.70 71.84 2.56 26
8 10/02/2019 11:30:20 -68.29,-173.81 108.26 10/02/2019 11:29:34 -68.30,-173.79 108.26 1.00 46
9 10/05/2019 02:05:52 -68.66, -33.15 106.88 10/05/2019 02:07:04 -68.62, -32.80 106.92 15.16 72
10 10/05/2019 02:56:33 68.39, 134.52 72.87 10/05/2019 02:56:33 68.39, 134.57 72.86 2.11 0
11 10/05/2019 03:47:14 -68.24, -57.97 107.27 10/05/2019 03:46:04 -68.23, -57.99 107.29 1.57 70
12 10/07/2019 18:22:42 -68.46, 82.90 106.05 10/07/2019 18:23:35 -68.43, 82.86 106.08 3.37 53
13 10/07/2019 19:13:25 68.30,-109.58 73.81 10/07/2019 19:13:02 68.31,-109.65 73.82 3.23 23
14 10/07/2019 20:03:53 -67.44, 58.79 107.02 10/07/2019 20:02:45 -67.49, 57.04 107.01 75.13 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/25/2019
SNOs_Map_NPP_TERRA_20190925.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/25/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service