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: 8/1/2018
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 08/01/2018 20:03:46 -68.32, 57.76 129.63 08/01/2018 20:04:16 -68.32, 57.74 129.63 1.04 30
2 08/01/2018 20:54:30 68.20,-134.76 50.26 08/01/2018 20:53:43 68.21,-134.75 50.27 1.62 47
3 08/04/2018 11:30:03 68.51, 5.97 51.26 08/04/2018 11:31:14 68.45, 6.15 51.19 9.95 71
4 08/04/2018 12:20:42 -68.26, 173.61 128.99 08/04/2018 12:20:45 -68.29, 173.58 128.97 3.22 3
5 08/04/2018 13:11:26 68.14, -18.92 50.89 08/04/2018 13:10:13 68.12, -18.97 50.88 2.90 73
6 08/07/2018 03:46:56 68.35, 121.95 51.82 08/07/2018 03:47:43 68.35, 121.91 51.82 1.65 47
7 08/07/2018 04:37:38 -68.25, -70.61 128.27 08/07/2018 04:37:13 -68.25, -70.58 128.28 1.48 25
8 08/07/2018 05:28:03 67.11, 98.09 50.57 08/07/2018 05:26:57 67.18, 95.85 50.70 97.47 66
9 08/09/2018 19:13:24 -69.26, 69.17 126.49 08/09/2018 19:14:32 -69.15, 71.14 126.65 78.66 68
10 08/09/2018 20:03:52 68.29,-122.22 52.52 08/09/2018 20:04:12 68.31,-122.26 52.54 2.46 20
11 08/09/2018 20:54:34 -68.20, 45.23 127.57 08/09/2018 20:53:42 -68.21, 45.25 127.56 1.51 52
12 08/12/2018 11:30:05 -68.40,-173.90 126.59 08/12/2018 11:31:13 -68.43,-173.88 126.57 3.07 68
13 08/12/2018 12:20:48 68.24, -6.38 53.26 08/12/2018 12:20:41 68.25, -6.44 53.28 2.87 7
14 08/12/2018 13:11:26 -67.92, 161.33 127.06 08/12/2018 13:10:14 -67.99, 160.87 126.98 20.43 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 8/1/2018
SNOs_Map_NPP_TERRA_20180801.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 08/01/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service