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: 11/9/2019
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 11/11/2019 10:39:24 -68.44,-161.28 94.26 11/11/2019 10:40:02 -68.42,-161.24 94.28 3.00 38
2 11/11/2019 11:30:08 68.30, 6.20 85.62 11/11/2019 11:29:29 68.29, 6.26 85.61 2.69 39
3 11/14/2019 02:05:45 68.99, 146.43 87.00 11/14/2019 02:06:54 68.88, 147.59 86.91 48.08 69
4 11/14/2019 02:56:17 -68.38, -45.44 93.60 11/14/2019 02:56:31 -68.40, -45.37 93.58 3.29 14
5 11/14/2019 03:47:01 68.25, 122.04 86.29 11/14/2019 03:45:59 68.22, 122.06 86.25 3.44 62
6 11/16/2019 18:22:29 68.46, -97.09 87.16 11/16/2019 18:23:30 68.47, -97.03 87.17 2.50 61
7 11/16/2019 19:13:10 -68.33, 70.41 92.97 11/16/2019 19:13:01 -68.33, 70.42 92.97 0.58 9
8 11/16/2019 20:03:46 67.77,-121.58 86.49 11/16/2019 20:02:35 67.81,-122.55 86.51 40.74 71
9 11/19/2019 10:39:22 68.41, 18.75 87.75 11/19/2019 10:40:00 68.39, 18.75 87.73 2.15 38
10 11/19/2019 11:30:02 -68.28,-173.76 92.38 11/19/2019 11:29:29 -68.30,-173.73 92.35 3.25 33
11 11/22/2019 02:05:42 -69.13, -33.75 90.95 11/22/2019 02:06:51 -69.05, -32.19 91.01 62.24 69
12 11/22/2019 02:56:14 68.36, 134.58 88.31 11/22/2019 02:56:28 68.36, 134.60 88.30 0.69 14
13 11/22/2019 03:46:55 -68.23, -57.92 91.83 11/22/2019 03:45:59 -68.22, -57.94 91.84 1.11 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/9/2019
SNOs_Map_NPP_TERRA_20191109.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/09/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service