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: 2/13/2019
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 02/15/2019 02:56:15 -68.35, -45.46 98.89 02/15/2019 02:56:55 -68.35, -45.43 98.89 1.26 40
2 02/15/2019 03:46:59 68.21, 122.02 80.97 02/15/2019 03:46:23 68.18, 122.01 80.94 3.36 36
3 02/17/2019 18:22:37 68.96, -97.82 80.84 02/17/2019 18:23:47 68.83, -96.60 80.66 51.24 70
4 02/17/2019 19:13:08 -68.29, 70.38 99.87 02/17/2019 19:13:25 -68.28, 70.36 99.89 1.37 17
5 02/17/2019 20:03:52 68.16,-122.15 79.99 02/17/2019 20:02:52 68.17,-122.13 79.99 0.81 60
6 02/20/2019 10:39:19 68.38, 18.73 79.28 02/20/2019 10:40:23 68.36, 18.70 79.25 2.08 64
7 02/20/2019 11:30:00 -68.25,-173.78 100.88 02/20/2019 11:29:53 -68.26,-173.78 100.86 1.77 7
8 02/20/2019 12:20:37 67.74, -5.84 78.59 02/20/2019 12:19:26 67.81, -6.67 78.69 35.78 71
9 02/23/2019 02:56:12 68.33, 134.56 78.26 02/23/2019 02:56:52 68.33, 134.54 78.25 1.17 40
10 02/23/2019 03:46:53 -68.20, -57.95 101.90 02/23/2019 03:46:22 -68.23, -57.94 101.87 3.31 31
11 02/25/2019 18:22:34 -69.11, 81.99 101.92 02/25/2019 18:23:43 -69.01, 83.63 102.07 65.89 69
12 02/25/2019 19:13:05 68.29,-109.61 77.22 02/25/2019 19:13:21 68.28,-109.63 77.21 1.57 16
13 02/25/2019 20:03:46 -68.15, 57.89 102.94 02/25/2019 20:02:51 -68.18, 57.89 102.90 3.42 55

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/13/2019
SNOs_Map_NPP_TERRA_20190213.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service