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: 3/20/2019
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 03/21/2019 19:12:50 -68.34, 70.38 112.10 03/21/2019 19:13:35 -68.33, 70.39 112.11 0.94 45
2 03/21/2019 20:03:34 68.20,-122.13 67.75 03/21/2019 20:03:02 68.21,-122.11 67.77 1.78 32
3 03/24/2019 10:39:15 69.14, 17.77 67.69 03/24/2019 10:40:23 69.07, 19.56 67.58 71.22 68
4 03/24/2019 11:29:43 -68.31,-173.81 113.18 03/24/2019 11:30:05 -68.31,-173.76 113.19 1.84 22
5 03/24/2019 12:20:26 68.13, -6.26 66.62 03/24/2019 12:19:33 68.13, -6.33 66.63 2.84 53
6 03/27/2019 02:55:53 68.37, 134.58 65.84 03/27/2019 02:57:04 68.38, 134.57 65.84 1.51 71
7 03/27/2019 03:46:34 -68.24, -57.93 114.32 03/27/2019 03:46:35 -68.23, -57.98 114.33 2.40 1
8 03/27/2019 04:37:16 68.00, 109.68 65.43 03/27/2019 04:36:03 68.05, 109.45 65.49 10.98 73
9 03/29/2019 19:12:46 68.35,-109.61 64.77 03/29/2019 19:13:34 68.35,-109.59 64.77 1.29 48
10 03/29/2019 20:03:27 -68.21, 57.88 115.39 03/29/2019 20:03:05 -68.20, 57.87 115.40 1.16 22
11 03/29/2019 20:53:54 67.17,-133.54 63.53 03/29/2019 20:52:47 67.24,-135.59 63.65 88.70 67
12 04/01/2019 11:29:38 68.28, 6.26 63.65 04/01/2019 11:30:05 68.27, 6.19 63.64 2.65 27
13 04/01/2019 12:20:20 -68.19, 173.68 116.45 04/01/2019 12:19:35 -68.18, 173.72 116.47 1.90 45

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/20/2019
SNOs_Map_NPP_TERRA_20190321.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/20/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service