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: 4/2/2019
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 04/04/2019 02:55:51 -68.65, -45.75 116.99 04/04/2019 02:57:02 -68.57, -45.20 117.08 24.01 71
2 04/04/2019 03:46:30 68.25, 122.07 62.59 04/04/2019 03:46:33 68.25, 122.05 62.59 0.90 3
3 04/04/2019 04:37:11 -68.12, -70.44 117.56 04/04/2019 04:36:03 -68.13, -70.45 117.54 1.63 68
4 04/06/2019 19:12:39 -68.36, 70.40 118.30 04/06/2019 19:13:35 -68.35, 70.42 118.32 1.31 56
5 04/06/2019 20:03:23 68.24,-122.14 61.56 04/06/2019 20:03:02 68.24,-122.07 61.56 2.77 21
6 04/06/2019 20:53:53 -67.51, 46.08 119.20 04/06/2019 20:52:43 -67.52, 44.73 119.16 57.76 70
7 04/09/2019 11:29:31 -68.30,-173.74 119.38 04/09/2019 11:30:05 -68.29,-173.78 119.38 1.67 34
8 04/09/2019 12:20:15 68.18, -6.28 60.49 04/09/2019 12:19:32 68.18, -6.27 60.49 0.46 43
9 04/12/2019 02:55:48 68.75, 134.13 60.11 04/12/2019 02:56:59 68.61, 134.85 59.95 33.48 71
10 04/12/2019 03:46:23 -68.28, -57.94 120.38 04/12/2019 03:46:33 -68.28, -57.91 120.39 1.28 10
11 04/12/2019 04:37:06 68.11, 109.58 59.44 04/12/2019 04:36:01 68.11, 109.53 59.43 2.47 65
12 04/14/2019 19:12:34 68.37,-109.59 58.75 04/14/2019 19:13:32 68.36,-109.57 58.73 1.47 58
13 04/14/2019 20:03:15 -68.22, 57.92 121.42 04/14/2019 20:03:03 -68.20, 57.88 121.44 2.40 12
14 04/14/2019 20:53:49 67.57,-133.96 57.91 04/14/2019 20:52:39 67.58,-135.20 57.94 52.60 70

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 4/2/2019
SNOs_Map_NPP_TERRA_20190402.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 04/02/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service