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: 4/8/2018
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 04/09/2018 02:56:11 69.06, 133.65 61.45 04/09/2018 02:57:20 68.95, 135.22 61.31 63.66 69
2 04/09/2018 03:46:40 -68.27, -57.98 119.38 04/09/2018 03:47:00 -68.28, -57.97 119.36 1.89 20
3 04/09/2018 04:37:24 68.15, 109.48 60.49 04/09/2018 04:36:28 68.12, 109.48 60.47 2.83 56
4 04/11/2018 19:12:54 68.36,-109.65 59.74 04/11/2018 19:14:02 68.37,-109.63 59.75 1.49 68
5 04/11/2018 20:03:35 -68.21, 57.86 120.42 04/11/2018 20:03:33 -68.21, 57.81 120.43 1.84 2
6 04/11/2018 20:54:15 67.88,-134.42 59.23 04/11/2018 20:53:03 67.93,-134.87 59.29 19.73 72
7 04/14/2018 11:29:49 68.31, 6.18 58.72 04/14/2018 11:30:34 68.33, 6.19 58.73 1.94 45
8 04/14/2018 12:20:30 -68.16, 173.69 121.45 04/14/2018 12:20:05 -68.17, 173.64 121.44 2.46 25
9 04/17/2018 02:56:17 -69.28, -46.67 121.24 04/17/2018 02:57:24 -69.22, -44.47 121.33 86.97 67
10 04/17/2018 03:46:44 68.27, 122.01 57.72 04/17/2018 03:47:06 68.27, 121.99 57.72 0.59 22
11 04/17/2018 04:37:26 -68.17, -70.55 122.40 04/17/2018 04:36:36 -68.17, -70.49 122.40 2.18 50
12 04/19/2018 19:12:56 -68.44, 70.25 123.03 04/19/2018 19:14:08 -68.42, 70.40 123.06 6.49 72
13 04/19/2018 20:03:38 68.22,-122.17 56.74 04/19/2018 20:03:36 68.24,-122.16 56.76 2.25 2
14 04/19/2018 20:54:20 -68.12, 45.28 123.38 04/19/2018 20:53:07 -68.09, 45.29 123.41 3.18 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/8/2018
SNOs_Map_NPP_TERRA_20180408.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/08/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service