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: 10/20/2019
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 02:05:49 -68.78, -33.26 100.78 10/21/2019 02:07:01 -68.68, -32.72 100.86 24.18 72
2 10/21/2019 02:56:28 68.39, 134.57 78.85 10/21/2019 02:56:31 68.41, 134.58 78.87 2.23 3
3 10/21/2019 03:47:09 -68.25, -57.94 101.27 10/21/2019 03:46:02 -68.25, -57.98 101.29 1.86 67
4 10/23/2019 18:22:38 -68.49, 82.89 100.11 10/23/2019 18:23:35 -68.47, 82.88 100.14 2.74 57
5 10/23/2019 19:13:22 68.37,-109.64 79.78 10/23/2019 19:13:02 68.35,-109.61 79.76 1.80 20
6 10/23/2019 20:03:52 -67.64, 58.59 100.93 10/23/2019 20:02:42 -67.69, 57.25 100.90 56.92 70
7 10/26/2019 10:39:31 -68.47,-161.31 99.21 10/26/2019 10:40:05 -68.46,-161.26 99.22 2.85 34
8 10/26/2019 11:30:14 68.29, 6.22 80.63 10/26/2019 11:29:33 68.28, 6.17 80.62 2.61 41
9 10/29/2019 02:05:51 68.97, 146.47 82.18 10/29/2019 02:07:01 68.85, 147.46 82.08 41.79 70
10 10/29/2019 02:56:24 -68.40, -45.45 98.37 10/29/2019 02:56:37 -68.43, -45.43 98.35 2.87 13
11 10/29/2019 03:47:08 68.28, 122.01 81.52 10/29/2019 03:46:04 68.30, 122.07 81.54 3.50 64
12 10/31/2019 18:22:36 68.48, -97.10 82.57 10/31/2019 18:23:40 68.47, -97.15 82.57 2.34 64
13 10/31/2019 19:13:18 -68.39, 70.33 97.51 10/31/2019 19:13:10 -68.38, 70.38 97.52 2.03 8
14 10/31/2019 20:03:54 67.84,-121.66 81.97 10/31/2019 20:02:43 67.92,-122.53 82.03 37.31 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/20/2019
SNOs_Map_NPP_TERRA_20191020.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/20/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service