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: 12/14/2019
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 -68.36, -45.41 88.47 1.61 32
2 12/16/2019 03:46:42 68.23, 122.09 91.41 12/16/2019 03:45:58 68.20, 122.05 91.38 3.04 44
3 12/18/2019 18:22:16 68.79, -97.50 92.07 12/18/2019 18:23:27 68.65, -96.82 91.92 31.42 71
4 12/18/2019 19:12:51 -68.33, 70.43 88.40 12/18/2019 19:13:01 -68.31, 70.41 88.42 1.83 10
5 12/18/2019 20:03:35 68.20,-122.11 91.48 12/18/2019 20:02:28 68.21,-122.08 91.48 1.34 67
6 12/21/2019 10:39:02 68.39, 18.80 91.71 12/21/2019 10:40:02 68.39, 18.75 91.71 2.33 60
7 12/21/2019 11:29:44 -68.30,-173.76 88.38 12/21/2019 11:29:32 -68.29,-173.75 88.40 1.71 12
8 12/21/2019 12:20:18 67.64, -5.63 90.96 12/21/2019 12:19:08 67.67, -6.82 91.00 50.22 70
9 12/24/2019 02:55:55 68.37, 134.60 91.68 12/24/2019 02:56:33 68.39, 134.62 91.70 2.37 38
10 12/24/2019 03:46:36 -68.23, -57.89 88.47 12/24/2019 03:46:04 -68.23, -57.94 88.46 2.20 32
11 12/26/2019 18:22:17 -69.21, 81.94 87.53 12/26/2019 18:23:25 -69.14, 83.78 87.63 73.15 68
12 12/26/2019 19:12:47 68.36,-109.60 91.60 12/26/2019 19:13:04 68.36,-109.55 91.60 2.08 17
13 12/26/2019 20:03:28 -68.21, 57.91 88.56 12/26/2019 20:02:35 -68.20, 57.89 88.56 0.72 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/14/2019
SNOs_Map_NPP_TERRA_20191214.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/14/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service