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: 7/18/2019
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 07/19/2019 18:22:39 -68.44, 82.86 132.44 07/19/2019 18:23:50 -68.44, 82.91 132.44 2.11 71
2 07/19/2019 19:13:23 68.30,-109.65 47.43 07/19/2019 19:13:18 68.27,-109.65 47.41 2.75 5
3 07/19/2019 20:04:02 -68.06, 57.96 132.81 07/19/2019 20:02:49 -68.11, 57.79 132.75 9.02 73
4 07/22/2019 10:39:33 -68.39,-161.31 131.97 07/22/2019 10:40:19 -68.40,-161.27 131.97 1.62 46
5 07/22/2019 11:30:17 68.26, 6.17 47.90 07/22/2019 11:29:46 68.28, 6.23 47.92 3.37 31
6 07/22/2019 12:20:40 -67.16, 174.83 133.22 07/22/2019 12:19:33 -67.23, 172.66 133.09 93.96 67
7 07/25/2019 02:06:00 69.18, 146.08 49.39 07/25/2019 02:07:08 69.06, 147.80 49.22 69.20 68
8 07/25/2019 02:56:28 -68.35, -45.48 131.46 07/25/2019 02:56:49 -68.35, -45.45 131.47 1.18 21
9 07/25/2019 03:47:12 68.22, 121.99 48.41 07/25/2019 03:46:16 68.23, 122.05 48.42 2.41 56
10 07/27/2019 18:22:42 68.44, -97.15 49.22 07/27/2019 18:23:48 68.45, -97.09 49.22 2.86 66
11 07/27/2019 19:13:23 -68.30, 70.34 130.92 07/27/2019 19:13:19 -68.30, 70.37 130.92 1.04 4
12 07/27/2019 20:04:02 67.91,-121.85 48.69 07/27/2019 20:02:50 67.95,-122.40 48.75 23.56 72
13 07/30/2019 10:39:37 68.41, 18.66 49.81 07/30/2019 10:40:18 68.40, 18.73 49.80 2.81 41
14 07/30/2019 11:30:18 -68.26,-173.83 130.33 07/30/2019 11:29:49 -68.25,-173.81 130.34 1.53 29

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 7/18/2019
SNOs_Map_NPP_TERRA_20190718.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 07/18/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service