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: 4/23/2019
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 04/25/2019 10:39:15 69.31, 17.53 56.05 04/25/2019 10:40:22 69.22, 19.73 55.94 87.32 67
2 04/25/2019 11:29:40 -68.31,-173.80 124.98 04/25/2019 11:30:06 -68.33,-173.76 124.98 2.22 26
3 04/25/2019 12:20:24 68.19, -6.34 54.88 04/25/2019 12:19:34 68.17, -6.30 54.86 2.98 50
4 04/28/2019 02:55:55 68.41, 134.53 54.26 04/28/2019 02:57:06 68.40, 134.58 54.26 2.22 71
5 04/28/2019 03:46:36 -68.26, -57.97 125.90 04/28/2019 03:46:37 -68.23, -57.99 125.93 3.19 1
6 04/28/2019 04:37:18 68.03, 109.63 53.86 04/28/2019 04:36:05 68.07, 109.46 53.90 8.16 73
7 04/30/2019 19:12:51 68.36,-109.64 53.38 04/30/2019 19:13:36 68.35,-109.60 53.37 1.85 45
8 04/30/2019 20:03:32 -68.21, 57.87 126.79 04/30/2019 20:03:07 -68.19, 57.83 126.81 2.57 25
9 04/30/2019 20:53:57 67.06,-133.44 52.06 04/30/2019 20:52:51 67.12,-135.73 52.13 99.43 66
10 05/03/2019 10:39:18 -69.22,-162.35 126.54 05/03/2019 10:40:26 -69.13,-160.40 126.64 77.88 68
11 05/03/2019 11:29:47 68.31, 6.18 52.53 05/03/2019 11:30:06 68.30, 6.21 52.52 1.80 19
12 05/03/2019 12:20:28 -68.16, 173.70 127.64 05/03/2019 12:19:37 -68.13, 173.65 127.66 3.06 51
13 05/06/2019 02:55:58 -68.37, -45.44 128.17 05/06/2019 02:57:08 -68.35, -45.50 128.20 3.41 70
14 05/06/2019 03:46:42 68.26, 122.01 51.71 05/06/2019 03:46:35 68.23, 122.01 51.68 3.31 7
15 05/06/2019 04:37:20 -67.95, -70.27 128.62 05/06/2019 04:36:07 -68.02, -70.61 128.55 16.10 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/23/2019
SNOs_Map_NPP_TERRA_20190423.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/23/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service