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: 10/17/2018
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 10/18/2018 02:56:39 68.45, 134.50 77.92 10/18/2018 02:57:42 68.47, 134.46 77.93 2.62 63
2 10/18/2018 03:47:21 -68.38, -58.08 102.15 10/18/2018 03:47:12 -68.35, -58.04 102.17 2.95 9
3 10/18/2018 04:37:57 67.81, 109.94 77.31 10/18/2018 04:36:46 67.85, 109.01 77.33 39.37 71
4 10/20/2018 19:13:33 68.41,-109.68 78.85 10/20/2018 19:14:10 68.42,-109.72 78.86 1.61 37
5 10/20/2018 20:04:14 -68.28, 57.80 101.27 10/20/2018 20:03:40 -68.31, 57.79 101.25 3.34 34
6 10/23/2018 10:39:53 -69.04,-162.06 99.60 10/23/2018 10:41:03 -68.95,-160.82 99.67 50.61 70
7 10/23/2018 11:30:27 68.38, 6.13 79.76 10/23/2018 11:30:38 68.39, 6.13 79.77 0.92 11
8 10/23/2018 12:21:08 -68.25, 173.62 100.36 10/23/2018 12:20:09 -68.23, 173.57 100.38 2.80 59
9 10/26/2018 02:56:37 -68.48, -45.54 99.23 10/26/2018 02:57:39 -68.49, -45.52 99.22 1.49 62
10 10/26/2018 03:47:21 68.35, 121.94 80.66 10/26/2018 03:47:06 68.36, 121.98 80.67 2.69 15
11 10/26/2018 04:37:55 -67.84, -70.10 99.83 10/26/2018 04:36:43 -67.88, -70.96 99.82 36.26 72
12 10/28/2018 19:13:30 -68.44, 70.27 98.36 10/28/2018 19:14:07 -68.42, 70.29 98.38 2.33 37
13 10/28/2018 20:04:14 68.32,-122.26 81.53 10/28/2018 20:03:34 68.30,-122.22 81.51 2.75 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 10/17/2018
SNOs_Map_NPP_TERRA_20181017.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 10/17/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service