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: 9/7/2017
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 09/07/2017 20:04:09 68.21,-122.17 62.34 09/07/2017 20:03:17 68.23,-122.19 62.36 2.15 52
2 09/10/2017 10:39:41 68.47, 18.63 63.59 09/10/2017 10:40:49 68.45, 18.67 63.56 3.04 68
3 09/10/2017 11:30:22 -68.33,-173.87 116.54 09/10/2017 11:30:19 -68.35,-173.82 116.53 2.39 3
4 09/10/2017 12:21:02 67.99, -6.13 63.13 09/10/2017 12:19:49 68.07, -6.51 63.20 17.80 73
5 09/13/2017 02:56:37 68.42, 134.47 64.55 09/13/2017 02:57:19 68.40, 134.48 64.53 2.65 42
6 09/13/2017 03:47:18 -68.28, -58.03 115.58 09/13/2017 03:46:49 -68.29, -58.01 115.57 1.91 29
7 09/15/2017 18:23:01 -69.18, 81.90 113.67 09/15/2017 18:24:10 -69.06, 83.55 113.79 66.75 69
8 09/15/2017 19:13:32 68.37,-109.70 65.53 09/15/2017 19:13:47 68.39,-109.64 65.55 3.52 15
9 09/15/2017 20:04:13 -68.22, 57.80 114.61 09/15/2017 20:03:18 -68.23, 57.80 114.60 1.17 55
10 09/18/2017 10:39:44 -68.44,-161.33 113.38 09/18/2017 10:40:50 -68.45,-161.35 113.38 1.07 66
11 09/18/2017 11:30:28 68.32, 6.13 66.51 09/18/2017 11:30:17 68.33, 6.16 66.52 1.38 11
12 09/18/2017 12:21:04 -67.90, 173.97 113.89 09/18/2017 12:19:52 -67.95, 173.34 113.85 26.93 72
13 09/21/2017 02:56:40 -68.39, -45.50 112.39 09/21/2017 02:57:20 -68.38, -45.55 112.41 2.42 40
14 09/21/2017 03:47:24 68.27, 121.96 67.51 09/21/2017 03:46:47 68.26, 121.95 67.49 1.52 37

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/7/2017
SNOs_Map_NPP_TERRA_20170908.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/07/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service