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: 12/15/2019
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 02:55:58 -68.35, -45.38 88.47 12/16/2019 02:56:30 -68.35, -45.42 88.48 1.82 32
2 12/16/2019 03:46:42 68.23, 122.09 91.41 12/16/2019 03:45:57 68.25, 122.10 91.43 2.46 45
3 12/18/2019 18:22:15 68.73, -97.42 92.01 12/18/2019 18:23:27 68.61, -96.86 91.89 26.48 72
4 12/18/2019 19:12:51 -68.33, 70.43 88.40 12/18/2019 19:13:00 -68.33, 70.43 88.40 0.79 9
5 12/18/2019 20:03:35 68.20,-122.11 91.48 12/18/2019 20:02:28 68.17,-122.11 91.45 3.44 67
6 12/21/2019 10:39:02 68.39, 18.80 91.71 12/21/2019 10:40:01 68.39, 18.74 91.71 2.55 59
7 12/21/2019 11:29:44 -68.30,-173.77 88.38 12/21/2019 11:29:31 -68.28,-173.76 88.41 2.94 13
8 12/21/2019 12:20:17 67.59, -5.57 90.91 12/21/2019 12:19:07 67.66, -6.83 90.99 53.83 70
9 12/24/2019 02:55:55 68.37, 134.60 91.69 12/24/2019 02:56:31 68.40, 134.63 91.70 2.84 36
10 12/24/2019 03:46:36 -68.23, -57.90 88.47 12/24/2019 03:46:02 -68.23, -57.93 88.46 1.69 34
11 12/26/2019 18:22:15 -69.11, 82.08 87.64 12/26/2019 18:23:24 -69.03, 83.65 87.73 62.98 69
12 12/26/2019 19:12:46 68.30,-109.54 91.55 12/26/2019 19:13:02 68.31,-109.60 91.55 2.73 16
13 12/26/2019 20:03:28 -68.21, 57.90 88.56 12/26/2019 20:02:32 -68.21, 57.91 88.56 0.27 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/15/2019
SNOs_Map_NPP_TERRA_20191215.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/15/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service