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: 9/9/2019
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 09/11/2019 02:05:53 68.57, 146.93 63.75 09/11/2019 02:07:04 68.52, 147.13 63.70 9.76 71
2 09/11/2019 02:56:33 -68.38, -45.49 116.44 09/11/2019 02:56:35 -68.35, -45.45 116.47 3.10 2
3 09/11/2019 03:47:16 68.20, 122.04 63.40 09/11/2019 03:46:03 68.19, 122.01 63.39 2.00 73
4 09/13/2019 18:22:46 68.46, -97.14 64.66 09/13/2019 18:23:33 68.45, -97.08 64.64 2.83 47
5 09/13/2019 19:13:27 -68.31, 70.37 115.49 09/13/2019 19:13:03 -68.33, 70.41 115.46 3.24 24
6 09/13/2019 20:03:53 67.22,-120.99 63.44 09/13/2019 20:02:47 67.27,-123.16 63.49 93.71 66
7 09/16/2019 09:49:13 -69.42,-149.99 113.37 09/16/2019 09:50:20 -69.30,-147.76 113.48 88.10 67
8 09/16/2019 10:39:40 68.40, 18.71 65.62 09/16/2019 10:40:01 68.42, 18.76 65.64 2.94 21
9 09/16/2019 11:30:21 -68.25,-173.78 114.52 09/16/2019 11:29:32 -68.25,-173.80 114.52 1.07 49
10 09/19/2019 02:05:51 -68.50, -32.96 113.26 09/19/2019 02:07:02 -68.50, -32.90 113.26 2.51 71
11 09/19/2019 02:56:34 68.34, 134.56 66.60 09/19/2019 02:56:30 68.33, 134.54 66.58 2.03 4
12 09/19/2019 03:47:13 -68.13, -57.86 113.60 09/19/2019 03:46:00 -68.17, -58.02 113.57 7.64 73
13 09/21/2019 18:22:44 -68.44, 82.89 112.28 09/21/2019 18:23:29 -68.46, 82.94 112.26 2.38 45
14 09/21/2019 19:13:27 68.28,-109.59 67.58 09/21/2019 19:12:57 68.28,-109.63 67.58 1.57 30
15 09/21/2019 20:03:51 -67.21, 59.04 113.47 09/21/2019 20:02:44 -67.23, 56.80 113.47 96.47 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/9/2019
SNOs_Map_NPP_TERRA_20190909.jpg

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

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service