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: 3/20/2018
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 10:39:17 69.43, 17.38 69.08 03/21/2018 10:40:23 69.30, 19.87 68.89 98.79 66
2 03/21/2018 11:29:39 -68.28,-173.74 112.13 03/21/2018 11:30:09 -68.30,-173.74 112.11 2.94 30
3 03/21/2018 12:20:23 68.15, -6.26 67.73 03/21/2018 12:19:37 68.14, -6.29 67.72 1.49 46
4 03/24/2018 02:55:59 68.67, 134.20 67.23 03/24/2018 02:57:11 68.55, 134.78 67.09 27.04 72
5 03/24/2018 03:46:35 -68.26, -57.95 113.21 03/24/2018 03:46:44 -68.28, -57.91 113.19 2.75 9
6 03/24/2018 04:37:19 68.13, 109.52 66.65 03/24/2018 04:36:12 68.11, 109.53 66.64 2.35 67
7 03/26/2018 19:12:49 68.33,-109.60 65.83 03/26/2018 19:13:50 68.36,-109.60 65.85 2.85 61
8 03/26/2018 20:03:30 -68.19, 57.90 114.33 03/26/2018 20:03:21 -68.21, 57.85 114.32 2.79 9
9 03/26/2018 20:54:05 67.64,-134.10 65.09 03/26/2018 20:52:54 67.70,-135.09 65.18 42.47 71
10 03/29/2018 11:29:44 68.33, 6.18 64.78 03/29/2018 11:30:26 68.35, 6.24 64.79 3.33 42
11 03/29/2018 12:20:25 -68.18, 173.69 115.40 03/29/2018 12:19:57 -68.20, 173.69 115.38 2.13 28
12 04/01/2018 03:46:39 68.27, 122.02 63.67 04/01/2018 03:47:05 68.29, 122.01 63.69 2.24 26
13 04/01/2018 04:37:21 -68.17, -70.53 116.45 04/01/2018 04:36:36 -68.14, -70.54 116.48 3.34 45

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/20/2018
SNOs_Map_NPP_TERRA_20180320.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/20/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service