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: 10/13/2018
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 10/15/2018 10:39:57 69.15, 17.79 77.63 10/15/2018 10:41:06 68.99, 19.23 77.49 59.82 69
2 10/15/2018 11:30:26 -68.38,-173.85 103.13 10/15/2018 11:30:45 -68.39,-173.88 103.12 2.09 19
3 10/15/2018 12:21:10 68.25, -6.37 76.76 10/15/2018 12:20:12 68.27, -6.38 76.78 2.48 58
4 10/18/2018 02:56:39 68.49, 134.46 77.95 10/18/2018 02:57:42 68.49, 134.48 77.96 0.92 63
5 10/18/2018 03:47:20 -68.35, -58.05 102.17 10/18/2018 03:47:13 -68.33, -58.07 102.19 2.27 7
6 10/18/2018 04:37:57 67.85, 109.90 77.35 10/18/2018 04:36:46 67.87, 109.03 77.35 36.35 71
7 10/20/2018 19:13:32 68.41,-109.68 78.85 10/20/2018 19:14:10 68.42,-109.71 78.85 1.60 38
8 10/20/2018 20:04:14 -68.33, 57.75 101.22 10/20/2018 20:03:40 -68.32, 57.81 101.23 2.53 34
9 10/23/2018 10:39:51 -69.06,-162.08 99.59 10/23/2018 10:41:01 -68.98,-160.78 99.64 52.29 70
10 10/23/2018 11:30:25 68.40, 6.11 79.78 10/23/2018 11:30:36 68.40, 6.15 79.78 1.64 11
11 10/23/2018 12:21:06 -68.26, 173.61 100.35 10/23/2018 12:20:07 -68.25, 173.61 100.36 0.74 59
12 10/26/2018 02:56:34 -68.46, -45.50 99.25 10/26/2018 02:57:37 -68.46, -45.54 99.25 1.58 63
13 10/26/2018 03:47:18 68.33, 121.96 80.65 10/26/2018 03:47:04 68.32, 121.94 80.63 1.67 14
14 10/26/2018 04:37:52 -67.82, -70.07 99.85 10/26/2018 04:36:40 -67.90, -70.92 99.79 36.81 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/13/2018
SNOs_Map_NPP_TERRA_20181003.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/13/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service