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: 9/3/2019
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 09/05/2019 18:22:45 -68.45, 82.87 118.38 09/05/2019 18:23:39 -68.43, 82.89 118.40 2.29 54
2 09/05/2019 19:13:28 68.28,-109.60 61.47 09/05/2019 19:13:07 68.27,-109.66 61.46 2.42 21
3 09/05/2019 20:03:57 -67.49, 58.70 119.32 09/05/2019 20:02:48 -67.54, 57.13 119.26 66.81 69
4 09/08/2019 09:49:16 69.49, 29.89 63.68 09/08/2019 09:50:22 69.37, 32.33 63.54 96.29 66
5 09/08/2019 10:39:39 -68.38,-161.27 117.45 09/08/2019 10:40:08 -68.37,-161.30 117.46 1.83 29
6 09/08/2019 11:30:22 68.27, 6.18 62.46 09/08/2019 11:29:34 68.26, 6.21 62.45 1.37 48
7 09/11/2019 02:05:53 68.58, 146.93 63.75 09/11/2019 02:07:04 68.52, 147.13 63.70 10.10 71
8 09/11/2019 02:56:33 -68.37, -45.48 116.45 09/11/2019 02:56:35 -68.36, -45.43 116.46 2.37 2
9 09/11/2019 03:47:16 68.20, 122.04 63.40 09/11/2019 03:46:03 68.19, 122.01 63.39 1.99 73
10 09/13/2019 18:22:46 68.46, -97.15 64.66 09/13/2019 18:23:33 68.45, -97.08 64.64 3.21 47
11 09/13/2019 19:13:27 -68.31, 70.37 115.49 09/13/2019 19:13:04 -68.29, 70.36 115.51 2.31 23
12 09/13/2019 20:03:53 67.22,-120.99 63.44 09/13/2019 20:02:46 67.33,-123.09 63.55 91.12 67
13 09/16/2019 09:49:13 -69.41,-149.98 113.37 09/16/2019 09:50:20 -69.31,-147.74 113.47 88.44 67
14 09/16/2019 10:39:39 68.35, 18.78 65.57 09/16/2019 10:40:02 68.37, 18.71 65.59 3.33 23
15 09/16/2019 11:30:21 -68.24,-173.77 114.52 09/16/2019 11:29:32 -68.26,-173.78 114.51 2.08 49

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/3/2019
SNOs_Map_NPP_TERRA_20190903.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/03/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service