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: 10/21/2019
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 10/21/2019 02:56:28 68.40, 134.56 78.86 10/21/2019 02:56:31 68.39, 134.56 78.85 1.25 3
2 10/21/2019 03:47:09 -68.27, -57.96 101.26 10/21/2019 03:46:01 -68.28, -57.93 101.25 2.09 68
3 10/23/2019 18:22:38 -68.51, 82.88 100.10 10/23/2019 18:23:34 -68.49, 82.91 100.12 2.70 56
4 10/23/2019 19:13:22 68.38,-109.65 79.79 10/23/2019 19:13:01 68.37,-109.58 79.78 2.93 21
5 10/23/2019 20:03:51 -67.60, 58.64 100.97 10/23/2019 20:02:42 -67.66, 57.22 100.94 60.65 69
6 10/26/2019 10:39:31 -68.43,-161.26 99.25 10/26/2019 10:40:05 -68.44,-161.27 99.24 1.04 34
7 10/26/2019 11:30:15 68.31, 6.21 80.65 10/26/2019 11:29:32 68.32, 6.23 80.66 1.92 43
8 10/29/2019 02:05:49 68.88, 146.60 82.09 10/29/2019 02:07:00 68.79, 147.41 82.02 33.54 71
9 10/29/2019 02:56:24 -68.42, -45.47 98.36 10/29/2019 02:56:35 -68.42, -45.42 98.35 2.29 11
10 10/29/2019 03:47:07 68.24, 122.07 81.48 10/29/2019 03:46:03 68.24, 122.01 81.48 2.37 64
11 10/31/2019 18:22:36 68.49, -97.11 82.58 10/31/2019 18:23:37 68.46, -97.13 82.56 2.84 61
12 10/31/2019 19:13:17 -68.35, 70.39 97.55 10/31/2019 19:13:07 -68.37, 70.39 97.52 2.95 10
13 10/31/2019 20:03:52 67.74,-121.54 81.87 10/31/2019 20:02:42 67.80,-122.64 81.91 46.60 70
14 11/03/2019 10:39:29 68.42, 18.74 83.37 11/03/2019 10:40:09 68.44, 18.70 83.39 2.04 40
15 11/03/2019 11:30:11 -68.34,-173.83 96.71 11/03/2019 11:29:39 -68.35,-173.77 96.70 2.97 32

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/21/2019
SNOs_Map_NPP_TERRA_20191021.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/21/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service