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: 9/26/2019
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 02:05:53 68.60, 146.92 69.96 09/27/2019 02:07:04 68.57, 147.15 69.93 10.31 71
2 09/27/2019 02:56:32 -68.35, -45.44 110.28 09/27/2019 02:56:36 -68.34, -45.48 110.29 2.19 4
3 09/27/2019 03:47:16 68.23, 122.03 69.62 09/27/2019 03:46:03 68.23, 122.03 69.62 0.61 73
4 09/29/2019 18:22:44 68.44, -97.10 70.85 09/29/2019 18:23:34 68.46, -97.10 70.86 1.65 50
5 09/29/2019 19:13:26 -68.35, 70.34 109.24 09/29/2019 19:13:04 -68.35, 70.40 109.24 2.76 22
6 09/29/2019 20:03:54 67.37,-121.14 69.81 09/29/2019 20:02:46 67.40,-123.05 69.82 81.91 68
7 10/02/2019 10:39:38 68.40, 18.74 71.84 10/02/2019 10:40:04 68.41, 18.71 71.85 1.39 26
8 10/02/2019 11:30:20 -68.30,-173.82 108.24 10/02/2019 11:29:34 -68.30,-173.78 108.25 1.91 46
9 10/05/2019 02:05:53 -68.73, -33.24 106.81 10/05/2019 02:07:04 -68.64, -32.77 106.90 21.62 71
10 10/05/2019 02:56:32 68.35, 134.57 72.83 10/05/2019 02:56:34 68.35, 134.52 72.83 1.93 2
11 10/05/2019 03:47:14 -68.26, -57.99 107.25 10/05/2019 03:46:04 -68.25, -57.96 107.26 1.24 70
12 10/07/2019 18:22:43 -68.48, 82.88 106.04 10/07/2019 18:23:36 -68.47, 82.90 106.04 0.89 53
13 10/07/2019 19:13:27 68.36,-109.67 73.87 10/07/2019 19:13:03 68.35,-109.60 73.86 3.06 24
14 10/07/2019 20:03:55 -67.51, 58.71 106.96 10/07/2019 20:02:46 -67.53, 57.08 106.97 69.51 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/26/2019
SNOs_Map_NPP_TERRA_20190926.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/26/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service