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: 3/15/2018
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 03/16/2018 02:55:50 -68.45, -45.50 109.82 03/16/2018 02:57:02 -68.41, -45.33 109.87 8.13 72
2 03/16/2018 03:46:32 68.21, 122.12 69.92 03/16/2018 03:46:30 68.24, 122.11 69.95 3.43 2
3 03/16/2018 04:37:13 -68.08, -70.39 110.23 03/16/2018 04:36:01 -68.08, -70.44 110.22 2.08 72
4 03/18/2018 19:12:44 -68.32, 70.44 111.02 03/18/2018 19:13:33 -68.34, 70.46 111.01 1.60 49
5 03/18/2018 20:03:28 68.19,-122.09 68.84 03/18/2018 20:03:00 68.22,-122.04 68.86 3.41 28
6 03/18/2018 20:53:53 -67.20, 46.45 112.20 03/18/2018 20:52:45 -67.28, 44.52 112.07 83.45 68
7 03/21/2018 10:39:13 69.19, 17.72 68.84 03/21/2018 10:40:21 69.08, 19.63 68.67 76.70 68
8 03/21/2018 11:29:39 -68.25,-173.70 112.16 03/21/2018 11:30:04 -68.26,-173.76 112.15 2.66 25
9 03/21/2018 12:20:23 68.12, -6.23 67.70 03/21/2018 12:19:31 68.14, -6.26 67.72 1.95 52
10 03/24/2018 02:55:53 68.37, 134.59 66.93 03/24/2018 02:57:02 68.39, 134.64 66.93 2.80 69
11 03/24/2018 03:46:34 -68.23, -57.91 113.24 03/24/2018 03:46:33 -68.23, -57.91 113.24 0.60 1
12 03/24/2018 04:37:15 67.95, 109.76 66.46 03/24/2018 04:36:02 68.00, 109.46 66.53 13.68 73
13 03/26/2018 19:12:48 68.31,-109.56 65.80 03/26/2018 19:13:33 68.31,-109.57 65.80 0.58 45
14 03/26/2018 20:03:30 -68.21, 57.88 114.31 03/26/2018 20:03:03 -68.21, 57.94 114.31 2.61 27

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/15/2018
SNOs_Map_NPP_TERRA_20180315.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/15/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service