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: 12/16/2019
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 12/16/2019 03:46:43 68.23, 122.08 91.41 12/16/2019 03:45:58 68.23, 122.08 91.41 0.35 45
2 12/18/2019 18:22:15 68.74, -97.43 92.02 12/18/2019 18:23:26 68.63, -96.84 91.90 27.15 71
3 12/18/2019 19:12:51 -68.34, 70.42 88.39 12/18/2019 19:12:59 -68.34, 70.45 88.38 1.66 8
4 12/18/2019 20:03:35 68.21,-122.12 91.49 12/18/2019 20:02:27 68.18,-122.10 91.46 3.08 68
5 12/21/2019 10:39:02 68.40, 18.79 91.72 12/21/2019 10:39:59 68.41, 18.77 91.73 1.46 57
6 12/21/2019 11:29:44 -68.31,-173.78 88.37 12/21/2019 11:29:29 -68.30,-173.73 88.39 2.60 15
7 12/21/2019 12:20:16 67.54, -5.51 90.86 12/21/2019 12:19:07 67.57, -6.92 90.90 59.89 69
8 12/24/2019 02:55:55 68.38, 134.59 91.69 12/24/2019 02:56:29 68.36, 134.59 91.67 2.50 34
9 12/24/2019 03:46:36 -68.24, -57.91 88.46 12/24/2019 03:45:59 -68.25, -57.90 88.45 1.54 37
10 12/26/2019 18:22:14 -69.01, 82.21 87.73 12/26/2019 18:23:24 -68.86, 83.45 87.90 52.17 70
11 12/26/2019 19:12:47 68.31,-109.55 91.56 12/26/2019 19:12:59 68.31,-109.59 91.55 1.93 12
12 12/26/2019 20:03:29 -68.22, 57.89 88.54 12/26/2019 20:02:29 -68.20, 57.92 88.56 2.34 60
13 12/29/2019 10:38:55 -68.41,-161.21 88.47 12/29/2019 10:40:00 -68.42,-161.22 88.46 1.32 65
14 12/29/2019 11:29:39 68.30, 6.24 91.43 12/29/2019 11:29:27 68.31, 6.29 91.43 2.03 12
15 12/29/2019 12:20:14 -67.83, 174.16 89.06 12/29/2019 12:19:02 -67.93, 173.47 88.96 30.62 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/16/2019
SNOs_Map_NPP_TERRA_20191216.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/16/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service