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: 9/10/2019
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 68.56, 146.95 63.74 09/11/2019 02:07:04 68.54, 147.15 63.72 8.33 71
2 09/11/2019 02:56:33 -68.36, -45.47 116.46 09/11/2019 02:56:35 -68.37, -45.42 116.45 2.27 2
3 09/11/2019 03:47:16 68.19, 122.06 63.39 09/11/2019 03:46:03 68.21, 122.03 63.41 2.71 73
4 09/13/2019 18:22:46 68.44, -97.12 64.64 09/13/2019 18:23:34 68.42, -97.12 64.61 3.12 48
5 09/13/2019 19:13:27 -68.30, 70.39 115.50 09/13/2019 19:13:04 -68.31, 70.38 115.49 0.89 23
6 09/13/2019 20:03:54 67.26,-121.03 63.48 09/13/2019 20:02:47 67.30,-123.13 63.52 90.23 67
7 09/16/2019 09:49:13 -69.40,-149.97 113.38 09/16/2019 09:50:20 -69.34,-147.71 113.45 88.64 67
8 09/16/2019 10:39:39 68.39, 18.73 65.61 09/16/2019 10:40:01 68.40, 18.74 65.62 1.66 22
9 09/16/2019 11:30:20 -68.24,-173.76 114.53 09/16/2019 11:29:32 -68.24,-173.82 114.53 2.45 48
10 09/19/2019 02:05:50 -68.49, -32.94 113.27 09/19/2019 02:07:02 -68.50, -32.91 113.26 1.66 72
11 09/19/2019 02:56:33 68.33, 134.58 66.59 09/19/2019 02:56:30 68.32, 134.53 66.58 1.84 3
12 09/19/2019 03:47:14 -68.18, -57.91 113.56 09/19/2019 03:46:01 -68.16, -58.02 113.57 4.90 73
13 09/21/2019 18:22:44 -68.43, 82.91 112.29 09/21/2019 18:23:31 -68.42, 82.89 112.30 1.76 47
14 09/21/2019 19:13:28 68.33,-109.65 67.63 09/21/2019 19:12:58 68.30,-109.61 67.60 3.29 30
15 09/21/2019 20:03:51 -67.20, 59.05 113.48 09/21/2019 20:02:44 -67.31, 56.88 113.39 94.22 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/10/2019
SNOs_Map_NPP_TERRA_20190910.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/10/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service