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: 5/9/2019
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 05/11/2019 10:39:19 68.99, 17.94 51.02 05/11/2019 10:40:28 68.92, 19.34 50.94 56.47 69
2 05/11/2019 11:29:50 -68.31,-173.83 129.68 05/11/2019 11:30:07 -68.31,-173.78 129.69 2.05 17
3 05/11/2019 12:20:33 68.14, -6.30 50.14 05/11/2019 12:19:35 68.15, -6.33 50.15 1.45 58
4 05/14/2019 02:56:04 68.37, 134.54 49.72 05/14/2019 02:57:07 68.35, 134.51 49.70 2.10 63
5 05/14/2019 03:46:45 -68.22, -57.95 130.45 05/14/2019 03:46:37 -68.24, -57.98 130.42 3.26 8
6 05/14/2019 04:37:22 67.72, 109.98 49.05 05/14/2019 04:36:11 67.74, 109.07 49.07 38.22 71
7 05/16/2019 19:13:00 68.33,-109.64 49.05 05/16/2019 19:13:36 68.33,-109.63 49.05 0.46 36
8 05/16/2019 20:03:41 -68.18, 57.87 131.12 05/16/2019 20:03:07 -68.17, 57.81 131.13 2.71 34
9 05/19/2019 10:39:20 -68.89,-161.92 130.98 05/19/2019 10:40:30 -68.81,-160.81 131.07 45.53 70
10 05/19/2019 11:29:55 68.30, 6.17 48.42 05/19/2019 11:30:04 68.30, 6.21 48.42 1.98 9
11 05/19/2019 12:20:36 -68.14, 173.68 131.75 05/19/2019 12:19:35 -68.14, 173.66 131.75 0.96 61
12 05/22/2019 02:56:07 -68.37, -45.47 132.05 05/22/2019 02:57:06 -68.38, -45.45 132.04 1.63 59
13 05/22/2019 03:46:50 68.21, 122.04 47.78 05/22/2019 03:46:34 68.21, 121.98 47.78 2.42 16
14 05/22/2019 04:37:23 -67.62, -69.91 132.82 05/22/2019 04:36:12 -67.66, -71.02 132.78 47.05 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/9/2019
SNOs_Map_NPP_TERRA_20190509.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/09/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service