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: 6/13/2019
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 06/15/2019 02:56:18 68.34, 134.54 44.94 06/15/2019 02:56:58 68.36, 134.54 44.96 2.38 40
2 06/15/2019 03:46:59 -68.20, -57.97 135.20 06/15/2019 03:46:29 -68.20, -58.02 135.21 2.03 30
3 06/17/2019 18:22:41 -69.04, 82.06 134.43 06/17/2019 18:23:50 -68.97, 83.54 134.53 59.35 69
4 06/17/2019 19:13:13 68.27,-109.61 44.78 06/17/2019 19:13:27 68.29,-109.65 44.80 3.12 14
5 06/17/2019 20:03:55 -68.19, 57.82 135.31 06/17/2019 20:02:57 -68.19, 57.86 135.30 2.05 58
6 06/20/2019 10:39:24 -68.39,-161.30 135.15 06/20/2019 10:40:27 -68.41,-161.28 135.13 2.31 63
7 06/20/2019 11:30:08 68.26, 6.17 44.73 06/20/2019 11:29:54 68.28, 6.22 44.75 3.05 14
8 06/20/2019 12:20:42 -67.75, 174.14 135.80 06/20/2019 12:19:31 -67.80, 173.28 135.74 36.40 71
9 06/23/2019 02:56:19 -68.32, -45.45 135.21 06/23/2019 02:56:56 -68.34, -45.48 135.20 2.08 37
10 06/23/2019 03:47:03 68.20, 122.02 44.67 06/23/2019 03:46:23 68.21, 122.02 44.68 1.22 40
11 06/25/2019 18:22:39 68.73, -97.53 45.26 06/25/2019 18:23:50 68.64, -96.86 45.15 28.73 71
12 06/25/2019 19:13:15 -68.32, 70.33 135.16 06/25/2019 19:13:24 -68.32, 70.39 135.16 2.37 9
13 06/25/2019 20:03:58 68.14,-122.13 44.66 06/25/2019 20:02:52 68.14,-122.19 44.66 2.29 66

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/13/2019
SNOs_Map_NPP_TERRA_20190613.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/13/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service