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: 9/22/2018
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 09/24/2018 02:56:45 -68.78, -45.98 110.93 09/24/2018 02:57:57 -68.65, -45.37 111.06 28.99 72
2 09/24/2018 03:47:23 68.33, 121.91 68.64 09/24/2018 03:47:28 68.31, 121.88 68.62 2.52 5
3 09/24/2018 04:38:04 -68.19, -70.59 111.49 09/24/2018 04:36:58 -68.20, -70.62 111.48 1.75 66
4 09/26/2018 19:13:35 -68.43, 70.24 110.23 09/26/2018 19:14:29 -68.42, 70.24 110.25 1.81 54
5 09/26/2018 20:04:19 68.31,-122.29 69.67 09/26/2018 20:03:56 68.31,-122.25 69.66 1.80 23
6 09/26/2018 20:54:47 -67.47, 46.07 111.16 09/26/2018 20:53:38 -67.53, 44.48 111.12 68.01 69
7 09/29/2018 10:40:06 69.41, 17.35 71.79 09/29/2018 10:41:13 69.30, 19.60 71.69 88.88 67
8 09/29/2018 11:30:30 -68.36,-173.89 109.26 09/29/2018 11:30:58 -68.36,-173.95 109.26 2.30 28
9 09/29/2018 12:21:14 68.24, -6.43 70.64 09/29/2018 12:20:25 68.24, -6.44 70.64 0.87 49
10 10/02/2018 02:56:45 68.49, 134.39 71.90 10/02/2018 02:57:56 68.46, 134.42 71.88 2.78 71
11 10/02/2018 03:47:26 -68.34, -58.10 108.24 10/02/2018 03:47:26 -68.36, -58.07 108.22 2.76 0
12 10/02/2018 04:38:08 68.11, 109.50 71.56 10/02/2018 04:36:55 68.13, 109.30 71.57 8.40 73
13 10/04/2018 19:13:39 68.42,-109.75 72.87 10/04/2018 19:14:24 68.41,-109.76 72.86 0.97 45
14 10/04/2018 20:04:21 -68.33, 57.69 107.22 10/04/2018 20:03:54 -68.31, 57.75 107.23 2.85 27

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/22/2018
SNOs_Map_NPP_TERRA_20180923.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/22/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service