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: 10/17/2019
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 10/18/2019 10:39:35 68.46, 18.71 77.96 10/18/2019 10:40:01 68.44, 18.72 77.93 2.88 26
2 10/18/2019 11:30:16 -68.33,-173.80 102.17 10/18/2019 11:29:31 -68.33,-173.77 102.17 1.27 45
3 10/21/2019 02:05:49 -68.78, -33.25 100.78 10/21/2019 02:07:00 -68.68, -32.74 100.87 23.28 71
4 10/21/2019 02:56:28 68.38, 134.57 78.85 10/21/2019 02:56:30 68.40, 134.56 78.86 1.53 2
5 10/21/2019 03:47:09 -68.25, -57.94 101.28 10/21/2019 03:46:01 -68.24, -58.00 101.30 2.94 68
6 10/23/2019 18:22:38 -68.49, 82.90 100.12 10/23/2019 18:23:32 -68.47, 82.88 100.13 2.12 54
7 10/23/2019 19:13:22 68.37,-109.64 79.78 10/23/2019 19:12:59 68.35,-109.62 79.76 1.74 23
8 10/23/2019 20:03:50 -67.53, 58.72 101.03 10/23/2019 20:02:41 -67.58, 57.12 101.02 68.46 69
9 10/26/2019 09:49:07 69.52, 29.93 81.82 10/26/2019 09:50:13 69.46, 32.39 81.81 95.97 66
10 10/26/2019 10:39:30 -68.42,-161.24 99.26 10/26/2019 10:40:00 -68.42,-161.30 99.26 2.41 30
11 10/26/2019 11:30:14 68.30, 6.22 80.64 10/26/2019 11:29:27 68.30, 6.19 80.63 1.16 47
12 10/29/2019 02:05:45 68.65, 146.90 81.87 10/29/2019 02:06:56 68.63, 147.19 81.85 12.30 71
13 10/29/2019 02:56:24 -68.40, -45.46 98.37 10/29/2019 02:56:28 -68.42, -45.42 98.36 2.23 4
14 10/29/2019 03:47:08 68.28, 122.01 81.53 10/29/2019 03:45:55 68.29, 122.07 81.53 2.72 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/17/2019
SNOs_Map_NPP_TERRA_20191017.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/17/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service