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: 5/17/2019
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 05/19/2019 10:39:21 -68.93,-161.98 130.93 05/19/2019 10:40:31 -68.80,-160.82 131.07 48.73 70
2 05/19/2019 11:29:55 68.28, 6.19 48.40 05/19/2019 11:30:05 68.30, 6.21 48.42 2.68 10
3 05/19/2019 12:20:36 -68.13, 173.70 131.76 05/19/2019 12:19:36 -68.14, 173.65 131.75 2.00 60
4 05/22/2019 02:56:07 -68.36, -45.46 132.06 05/22/2019 02:57:08 -68.34, -45.51 132.09 3.36 61
5 05/22/2019 03:46:51 68.25, 122.00 47.82 05/22/2019 03:46:35 68.22, 122.00 47.79 2.45 16
6 05/22/2019 04:37:23 -67.61, -69.90 132.83 05/22/2019 04:36:13 -67.67, -71.01 132.77 47.53 70
7 05/24/2019 19:13:02 -68.33, 70.35 132.61 05/24/2019 19:13:36 -68.32, 70.34 132.62 1.55 34
8 05/24/2019 20:03:46 68.22,-122.20 47.27 05/24/2019 20:03:03 68.20,-122.15 47.25 2.74 43
9 05/27/2019 10:39:21 68.67, 18.35 47.27 05/27/2019 10:40:32 68.56, 18.88 47.16 24.84 71
10 05/27/2019 11:29:58 -68.30,-173.85 133.11 05/27/2019 11:30:05 -68.29,-173.81 133.12 2.00 7
11 05/27/2019 12:20:41 68.13, -6.33 46.72 05/27/2019 12:19:33 68.11, -6.37 46.70 3.07 68
12 05/30/2019 02:56:12 68.37, 134.51 46.55 05/30/2019 02:57:04 68.35, 134.52 46.53 2.21 52
13 05/30/2019 03:46:53 -68.22, -57.98 133.62 05/30/2019 03:46:35 -68.20, -58.03 133.63 2.91 18
14 05/30/2019 04:37:23 67.35, 110.40 45.51 05/30/2019 04:36:14 67.40, 108.70 45.57 73.00 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/17/2019
SNOs_Map_NPP_TERRA_20190517.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/17/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service