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: 3/14/2019
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 03/16/2019 10:39:16 -69.02,-162.08 109.27 03/16/2019 10:40:26 -68.90,-160.67 109.43 57.77 70
2 03/16/2019 11:29:49 68.29, 6.19 69.97 03/16/2019 11:30:02 68.28, 6.21 69.95 1.94 13
3 03/16/2019 12:20:30 -68.17, 173.67 110.17 03/16/2019 12:19:32 -68.18, 173.73 110.16 2.86 58
4 03/19/2019 02:55:57 -68.35, -45.41 111.02 03/19/2019 02:57:05 -68.38, -45.44 111.00 3.30 68
5 03/19/2019 03:46:42 68.27, 122.00 68.89 03/19/2019 03:46:32 68.25, 122.06 68.87 3.10 10
6 03/19/2019 04:37:18 -67.87, -70.18 111.54 03/19/2019 04:36:06 -67.94, -70.68 111.46 22.07 72
7 03/21/2019 19:12:50 -68.32, 70.40 112.11 03/21/2019 19:13:35 -68.35, 70.41 112.09 2.77 45
8 03/21/2019 20:03:34 68.20,-122.12 67.75 03/21/2019 20:03:02 68.22,-122.10 67.77 3.19 32
9 03/21/2019 20:53:57 -67.09, 46.53 113.40 03/21/2019 20:52:50 -67.12, 44.29 113.31 97.24 67
10 03/24/2019 10:39:14 69.13, 17.78 67.68 03/24/2019 10:40:22 69.08, 19.56 67.58 70.98 68
11 03/24/2019 11:29:42 -68.30,-173.79 113.19 03/24/2019 11:30:04 -68.32,-173.75 113.18 2.29 22
12 03/24/2019 12:20:26 68.18, -6.32 66.67 03/24/2019 12:19:31 68.19, -6.26 66.68 2.90 55
13 03/27/2019 02:55:53 68.37, 134.58 65.84 03/27/2019 02:57:04 68.37, 134.56 65.83 1.09 71
14 03/27/2019 03:46:34 -68.23, -57.92 114.33 03/27/2019 03:46:35 -68.23, -57.98 114.33 2.74 1
15 03/27/2019 04:37:16 68.00, 109.68 65.43 03/27/2019 04:36:03 68.04, 109.44 65.48 10.79 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/14/2019
SNOs_Map_NPP_TERRA_20190314.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/14/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service