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: 9/20/2018
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 09/21/2018 11:30:28 68.37, 6.09 67.64 09/21/2018 11:31:00 68.37, 6.05 67.63 1.67 32
2 09/21/2018 12:21:09 -68.23, 173.59 112.49 09/21/2018 12:20:30 -68.25, 173.55 112.47 2.94 39
3 09/24/2018 02:56:46 -68.79, -46.00 110.91 09/24/2018 02:57:57 -68.68, -45.32 111.02 30.08 71
4 09/24/2018 03:47:24 68.35, 121.89 68.66 09/24/2018 03:47:28 68.35, 121.91 68.66 1.02 4
5 09/24/2018 04:38:05 -68.21, -70.61 111.47 09/24/2018 04:36:59 -68.18, -70.65 111.50 3.02 66
6 09/26/2018 19:13:35 -68.45, 70.22 110.21 09/26/2018 19:14:28 -68.44, 70.26 110.22 1.91 53
7 09/26/2018 20:04:18 68.27,-122.24 69.63 09/26/2018 20:03:56 68.27,-122.30 69.62 2.23 22
8 09/26/2018 20:54:47 -67.48, 46.05 111.14 09/26/2018 20:53:38 -67.50, 44.44 111.15 68.64 69
9 09/29/2018 10:40:05 69.37, 17.41 71.75 09/29/2018 10:41:12 69.30, 19.60 71.69 86.38 67
10 09/29/2018 11:30:30 -68.37,-173.91 109.25 09/29/2018 11:30:57 -68.37,-173.94 109.26 1.68 27
11 09/29/2018 12:21:14 68.25, -6.45 70.65 09/29/2018 12:20:24 68.25, -6.44 70.64 0.98 50
12 10/02/2018 02:56:44 68.45, 134.45 71.86 10/02/2018 02:57:55 68.44, 134.40 71.85 2.18 71
13 10/02/2018 03:47:26 -68.35, -58.12 108.22 10/02/2018 03:47:25 -68.34, -58.09 108.24 1.72 1
14 10/02/2018 04:38:07 68.07, 109.55 71.52 10/02/2018 04:36:54 68.11, 109.28 71.54 11.96 73

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/20/2018
SNOs_Map_NPP_TERRA_20180921.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/20/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service