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: 3/26/2019
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 03/27/2019 02:55:54 68.38, 134.57 65.85 03/27/2019 02:57:05 68.35, 134.54 65.81 3.37 71
2 03/27/2019 03:46:35 -68.25, -57.95 114.30 03/27/2019 03:46:35 -68.24, -57.96 114.31 1.43 0
3 03/27/2019 04:37:17 68.01, 109.66 65.44 03/27/2019 04:36:04 68.02, 109.43 65.46 9.85 73
4 03/29/2019 19:12:45 68.31,-109.56 64.73 03/29/2019 19:13:34 68.33,-109.61 64.74 2.84 49
5 03/29/2019 20:03:27 -68.23, 57.85 115.37 03/29/2019 20:03:04 -68.23, 57.90 115.38 2.20 23
6 03/29/2019 20:53:54 67.18,-133.56 63.55 03/29/2019 20:52:47 67.21,-135.61 63.62 88.44 67
7 04/01/2019 11:29:38 68.30, 6.23 63.67 04/01/2019 11:30:04 68.32, 6.26 63.69 2.81 26
8 04/01/2019 12:20:19 -68.16, 173.72 116.49 04/01/2019 12:19:35 -68.16, 173.70 116.48 0.83 44
9 04/04/2019 02:55:53 -68.73, -45.86 116.91 04/04/2019 02:57:04 -68.60, -45.17 117.05 31.29 71
10 04/04/2019 03:46:31 68.29, 122.03 62.63 04/04/2019 03:46:35 68.26, 122.07 62.60 2.98 4
11 04/04/2019 04:37:12 -68.15, -70.48 117.53 04/04/2019 04:36:05 -68.17, -70.42 117.51 3.29 67
12 04/06/2019 19:12:39 -68.34, 70.43 118.33 04/06/2019 19:13:39 -68.34, 70.39 118.33 1.72 60
13 04/06/2019 20:03:23 68.22,-122.11 61.54 04/06/2019 20:03:06 68.22,-122.11 61.54 0.70 17
14 04/06/2019 20:53:55 -67.60, 45.98 119.11 04/06/2019 20:52:44 -67.68, 44.89 119.01 47.19 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/26/2019
SNOs_Map_NPP_TERRA_20190326.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/26/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service