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: 2/9/2019
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 02/09/2019 18:22:39 -68.97, 82.16 96.46 02/09/2019 18:23:49 -68.82, 83.40 96.66 51.98 70
2 02/09/2019 19:13:13 68.30,-109.65 82.84 02/09/2019 19:13:24 68.27,-109.63 82.81 3.42 11
3 02/09/2019 20:03:54 -68.17, 57.84 97.31 02/09/2019 20:02:54 -68.16, 57.87 97.32 1.75 60
4 02/12/2019 10:39:22 -68.38,-161.28 97.95 02/12/2019 10:40:27 -68.36,-161.29 97.98 1.80 65
5 02/12/2019 11:30:06 68.25, 6.20 81.91 02/12/2019 11:29:54 68.25, 6.22 81.91 1.05 12
6 02/12/2019 12:20:41 -67.79, 174.08 98.58 02/12/2019 12:19:29 -67.87, 173.40 98.48 29.85 72
7 02/15/2019 02:56:15 -68.33, -45.44 98.91 02/15/2019 02:56:57 -68.36, -45.43 98.89 3.43 42
8 02/15/2019 03:46:59 68.20, 122.04 80.95 02/15/2019 03:46:25 68.19, 122.02 80.94 1.60 34
9 02/17/2019 18:22:38 69.06, -97.95 80.94 02/17/2019 18:23:47 68.96, -96.44 80.79 61.27 69
10 02/17/2019 19:13:07 -68.28, 70.40 99.89 02/17/2019 19:13:27 -68.30, 70.38 99.87 3.09 20
11 02/17/2019 20:03:51 68.15,-122.13 79.97 02/17/2019 20:02:55 68.13,-122.18 79.96 3.18 56
12 02/20/2019 10:39:19 68.37, 18.74 79.27 02/20/2019 10:40:28 68.35, 18.69 79.25 2.80 69
13 02/20/2019 11:30:01 -68.28,-173.83 100.84 02/20/2019 11:29:58 -68.26,-173.80 100.86 3.07 3
14 02/20/2019 12:20:40 67.89, -6.03 78.75 02/20/2019 12:19:28 67.97, -6.49 78.85 21.42 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/9/2019
SNOs_Map_NPP_TERRA_20190209.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/09/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service