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: 3/7/2019
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 03/08/2019 10:39:17 68.74, 18.28 73.60 03/08/2019 10:40:28 68.63, 18.98 73.47 30.53 71
2 03/08/2019 11:29:52 -68.29,-173.81 106.88 03/08/2019 11:30:02 -68.30,-173.78 106.87 1.91 10
3 03/08/2019 12:20:36 68.15, -6.33 72.97 03/08/2019 12:19:30 68.13, -6.34 72.96 2.42 66
4 03/11/2019 02:56:04 68.39, 134.52 72.19 03/11/2019 02:57:03 68.39, 134.55 72.18 1.25 59
5 03/11/2019 03:46:45 -68.26, -57.99 107.96 03/11/2019 03:46:34 -68.23, -58.00 107.99 2.65 11
6 03/11/2019 04:37:19 67.58, 110.15 71.33 03/11/2019 04:36:09 67.67, 108.99 71.45 50.15 70
7 03/13/2019 19:12:57 68.36,-109.67 71.11 03/13/2019 19:13:34 68.35,-109.63 71.08 2.47 37
8 03/13/2019 20:03:37 -68.18, 57.89 109.10 03/13/2019 20:03:05 -68.19, 57.82 109.08 3.23 32
9 03/16/2019 10:39:18 -69.11,-162.20 109.17 03/16/2019 10:40:27 -69.01,-160.57 109.32 65.43 69
10 03/16/2019 11:29:49 68.29, 6.20 69.97 03/16/2019 11:30:05 68.28, 6.17 69.95 1.99 16
11 03/16/2019 12:20:30 -68.15, 173.70 110.19 03/16/2019 12:19:35 -68.18, 173.69 110.16 3.27 55
12 03/19/2019 02:55:57 -68.39, -45.46 110.98 03/19/2019 02:57:06 -68.42, -45.43 110.96 2.95 69
13 03/19/2019 03:46:41 68.27, 122.00 68.89 03/19/2019 03:46:33 68.29, 122.06 68.91 3.49 8
14 03/19/2019 04:37:19 -67.97, -70.30 111.44 03/19/2019 04:36:06 -68.03, -70.61 111.37 14.69 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/7/2019
SNOs_Map_NPP_TERRA_20190307.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/07/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service