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: 12/17/2019
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 12/18/2019 18:22:15 68.75, -97.44 92.03 12/18/2019 18:23:25 68.67, -96.79 91.95 27.80 70
2 12/18/2019 19:12:51 -68.34, 70.41 88.38 12/18/2019 19:12:59 -68.33, 70.43 88.39 1.52 8
3 12/18/2019 20:03:34 68.16,-122.06 91.44 12/18/2019 20:02:27 68.17,-122.11 91.45 2.59 67
4 12/21/2019 10:39:02 68.40, 18.78 91.73 12/21/2019 10:39:59 68.39, 18.75 91.71 1.57 57
5 12/21/2019 11:29:43 -68.27,-173.72 88.42 12/21/2019 11:29:29 -68.28,-173.75 88.40 2.30 14
6 12/21/2019 12:20:16 67.55, -5.52 90.87 12/21/2019 12:19:06 67.62, -6.88 90.94 58.03 70
7 12/24/2019 02:55:55 68.39, 134.58 91.70 12/24/2019 02:56:28 68.39, 134.63 91.70 2.07 33
8 12/24/2019 03:46:36 -68.24, -57.92 88.45 12/24/2019 03:45:59 -68.23, -57.93 88.47 2.01 37
9 12/26/2019 18:22:13 -68.96, 82.28 87.78 12/26/2019 18:23:23 -68.88, 83.47 87.88 48.63 70
10 12/26/2019 19:12:47 68.32,-109.55 91.56 12/26/2019 19:12:58 68.33,-109.57 91.57 1.15 11
11 12/26/2019 20:03:29 -68.22, 57.88 88.54 12/26/2019 20:02:28 -68.22, 57.94 88.54 2.32 61
12 12/29/2019 10:38:55 -68.41,-161.21 88.47 12/29/2019 10:39:59 -68.43,-161.21 88.46 1.49 64
13 12/29/2019 11:29:39 68.30, 6.24 91.43 12/29/2019 11:29:26 68.31, 6.30 91.43 2.57 13
14 12/29/2019 12:20:14 -67.83, 174.15 89.06 12/29/2019 12:19:02 -67.87, 173.41 89.01 31.34 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/17/2019
SNOs_Map_NPP_TERRA_20191217.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/17/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service