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: 9/4/2019
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 18:22:44 -68.42, 82.91 118.41 09/05/2019 18:23:39 -68.41, 82.86 118.42 2.57 55
2 09/05/2019 19:13:28 68.30,-109.63 61.49 09/05/2019 19:13:06 68.30,-109.62 61.49 0.31 22
3 09/05/2019 20:03:57 -67.51, 58.67 119.30 09/05/2019 20:02:47 -67.57, 57.16 119.23 64.31 70
4 09/08/2019 09:49:15 69.46, 29.93 63.65 09/08/2019 09:50:21 69.40, 32.36 63.56 95.20 66
5 09/08/2019 10:39:39 -68.41,-161.30 117.42 09/08/2019 10:40:07 -68.40,-161.27 117.43 1.61 28
6 09/08/2019 11:30:22 68.24, 6.22 62.43 09/08/2019 11:29:35 68.23, 6.18 62.42 2.03 47
7 09/11/2019 02:05:53 68.55, 146.97 63.72 09/11/2019 02:07:04 68.55, 147.16 63.72 7.66 71
8 09/11/2019 02:56:33 -68.34, -45.44 116.48 09/11/2019 02:56:36 -68.33, -45.48 116.49 2.11 3
9 09/11/2019 03:47:16 68.17, 122.08 63.37 09/11/2019 03:46:03 68.21, 122.04 63.41 4.61 73
10 09/13/2019 18:22:45 68.43, -97.11 64.63 09/13/2019 18:23:33 68.41, -97.13 64.60 2.72 48
11 09/13/2019 19:13:26 -68.28, 70.41 115.52 09/13/2019 19:13:03 -68.30, 70.38 115.50 3.02 23
12 09/13/2019 20:03:53 67.25,-121.02 63.47 09/13/2019 20:02:46 67.29,-123.14 63.51 91.16 67
13 09/16/2019 09:49:12 -69.39,-149.94 113.40 09/16/2019 09:50:19 -69.33,-147.73 113.46 87.07 67
14 09/16/2019 10:39:39 68.38, 18.74 65.60 09/16/2019 10:40:01 68.38, 18.72 65.60 0.91 22
15 09/16/2019 11:30:21 -68.27,-173.81 114.50 09/16/2019 11:29:31 -68.27,-173.77 114.50 1.57 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/4/2019
SNOs_Map_NPP_TERRA_20190904.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/04/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service