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: 8/18/2019
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 08/20/2019 18:22:44 -68.44, 82.87 124.02 08/20/2019 18:23:45 -68.43, 82.88 124.03 1.15 61
2 08/20/2019 19:13:28 68.31,-109.66 55.87 08/20/2019 19:13:12 68.32,-109.60 55.88 2.93 16
3 08/20/2019 20:04:01 -67.74, 58.37 124.70 08/20/2019 20:02:50 -67.76, 57.38 124.66 42.03 71
4 08/23/2019 10:39:38 -68.41,-161.32 123.15 08/23/2019 10:40:13 -68.39,-161.28 123.17 2.66 35
5 08/23/2019 11:30:21 68.24, 6.21 56.69 08/23/2019 11:29:41 68.23, 6.17 56.68 1.72 40
6 08/26/2019 02:05:57 68.80, 146.61 58.16 08/26/2019 02:07:08 68.69, 147.33 58.03 31.55 71
7 08/26/2019 02:56:32 -68.33, -45.45 122.31 08/26/2019 02:56:42 -68.35, -45.44 122.29 2.49 10
8 08/26/2019 03:47:16 68.22, 122.01 57.58 08/26/2019 03:46:10 68.19, 122.00 57.56 2.92 66
9 08/28/2019 18:22:45 68.41, -97.09 58.69 08/28/2019 18:23:41 68.42, -97.11 58.70 1.93 56
10 08/28/2019 19:13:27 -68.31, 70.35 121.40 08/28/2019 19:13:11 -68.31, 70.39 121.40 1.60 16
11 08/28/2019 20:03:58 67.50,-121.33 57.79 08/28/2019 20:02:49 67.59,-122.81 57.90 63.95 69
12 08/31/2019 10:39:40 68.39, 18.70 59.63 08/31/2019 10:40:10 68.38, 18.71 59.61 1.55 30
13 08/31/2019 11:30:22 -68.29,-173.85 120.47 08/31/2019 11:29:40 -68.27,-173.78 120.49 3.40 42

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/18/2019
SNOs_Map_NPP_TERRA_20190819.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/18/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service