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: 10/22/2019
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 10/23/2019 18:22:38 -68.51, 82.87 100.09 10/23/2019 18:23:33 -68.50, 82.93 100.11 3.34 55
2 10/23/2019 19:13:21 68.33,-109.59 79.74 10/23/2019 19:13:01 68.32,-109.63 79.73 1.67 20
3 10/23/2019 20:03:51 -67.61, 58.63 100.96 10/23/2019 20:02:41 -67.66, 57.23 100.93 59.48 70
4 10/26/2019 10:39:31 -68.44,-161.27 99.24 10/26/2019 10:40:03 -68.45,-161.25 99.23 1.41 32
5 10/26/2019 11:30:15 68.31, 6.20 80.65 10/26/2019 11:29:30 68.33, 6.26 80.66 2.88 45
6 10/29/2019 02:05:47 68.78, 146.74 81.99 10/29/2019 02:06:59 68.66, 147.26 81.89 24.68 72
7 10/29/2019 02:56:23 -68.37, -45.41 98.40 10/29/2019 02:56:32 -68.40, -45.43 98.38 3.22 9
8 10/29/2019 03:47:07 68.25, 122.06 81.49 10/29/2019 03:45:59 68.28, 122.07 81.51 3.46 68
9 10/31/2019 18:22:36 68.50, -97.12 82.59 10/31/2019 18:23:31 68.50, -97.07 82.59 2.43 55
10 10/31/2019 19:13:17 -68.36, 70.37 97.54 10/31/2019 19:13:02 -68.35, 70.39 97.55 1.26 15
11 10/31/2019 20:03:49 67.59,-121.36 81.72 10/31/2019 20:02:40 67.60,-122.83 81.71 62.60 69
12 11/03/2019 10:39:29 68.43, 18.73 83.38 11/03/2019 10:40:01 68.44, 18.74 83.39 0.98 32
13 11/03/2019 11:30:10 -68.29,-173.78 96.75 11/03/2019 11:29:32 -68.29,-173.80 96.75 0.93 38

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/22/2019
SNOs_Map_NPP_TERRA_20191022.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/22/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service