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: 3/19/2018
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 03/21/2018 11:29:39 -68.29,-173.75 112.12 03/21/2018 11:30:11 -68.29,-173.77 112.12 0.50 32
2 03/21/2018 12:20:23 68.16, -6.28 67.74 03/21/2018 12:19:38 68.18, -6.25 67.76 2.70 45
3 03/24/2018 02:56:03 68.89, 133.90 67.46 03/24/2018 02:57:13 68.75, 135.00 67.29 47.31 70
4 03/24/2018 03:46:35 -68.27, -57.96 113.20 03/24/2018 03:46:50 -68.26, -57.96 113.21 0.90 15
5 03/24/2018 04:37:19 68.14, 109.51 66.67 03/24/2018 04:36:17 68.15, 109.56 66.68 2.40 62
6 03/26/2018 19:12:50 68.40,-109.68 65.90 03/26/2018 19:14:01 68.39,-109.61 65.88 2.91 71
7 03/26/2018 20:03:31 -68.25, 57.83 114.27 03/26/2018 20:03:32 -68.24, 57.85 114.28 1.28 1
8 03/26/2018 20:54:13 68.02,-134.58 65.49 03/26/2018 20:53:01 68.02,-134.77 65.49 8.00 72
9 03/29/2018 11:29:45 68.33, 6.17 64.78 03/29/2018 11:30:47 68.32, 6.12 64.76 2.39 62
10 03/29/2018 12:20:26 -68.24, 173.61 115.34 03/29/2018 12:20:16 -68.23, 173.65 115.34 1.48 10
11 03/29/2018 13:11:01 67.63, -18.33 64.04 03/29/2018 13:09:50 67.73, -19.29 64.16 42.06 71
12 04/01/2018 03:46:40 68.32, 121.95 63.73 04/01/2018 03:47:34 68.32, 121.92 63.72 1.47 54
13 04/01/2018 04:37:22 -68.22, -70.60 116.39 04/01/2018 04:37:04 -68.23, -70.55 116.38 2.39 18
14 04/01/2018 05:27:52 67.35, 97.78 62.71 04/01/2018 05:26:44 67.40, 96.14 62.79 70.37 68

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/19/2018
SNOs_Map_NPP_TERRA_20180319.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/19/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service