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: 5/12/2020
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 05/13/2020 10:39:03 68.74, 18.29 50.08 05/13/2020 10:40:14 68.64, 19.04 49.97 32.24 71
2 05/13/2020 11:29:38 -68.28,-173.78 130.40 05/13/2020 11:29:49 -68.25,-173.80 130.43 2.87 11
3 05/13/2020 12:20:22 68.16, -6.32 49.47 05/13/2020 12:19:16 68.14, -6.29 49.46 2.06 66
4 05/16/2020 02:55:51 68.38, 134.54 49.08 05/16/2020 02:56:48 68.36, 134.57 49.05 2.70 57
5 05/16/2020 03:46:32 -68.23, -57.95 131.08 05/16/2020 03:46:18 -68.25, -57.92 131.06 2.21 14
6 05/16/2020 04:37:05 67.52, 110.24 48.20 05/16/2020 04:35:55 67.58, 108.94 48.26 55.69 70
7 05/18/2020 19:12:45 68.34,-109.63 48.45 05/18/2020 19:13:17 68.34,-109.57 48.45 2.63 32
8 05/18/2020 20:03:26 -68.19, 57.88 131.71 05/18/2020 20:02:48 -68.19, 57.88 131.72 0.60 38
9 05/21/2020 10:39:03 -68.84,-161.83 131.60 05/21/2020 10:40:14 -68.72,-160.87 131.72 40.88 71
10 05/21/2020 11:29:38 68.25, 6.26 47.80 05/21/2020 11:29:47 68.27, 6.23 47.82 2.59 9
11 05/21/2020 12:20:20 -68.15, 173.70 132.31 05/21/2020 12:19:17 -68.17, 173.74 132.29 2.56 63
12 05/24/2020 02:55:48 -68.38, -45.44 132.58 05/24/2020 02:56:48 -68.36, -45.42 132.59 1.32 60
13 05/24/2020 03:46:31 68.21, 122.08 47.26 05/24/2020 03:46:15 68.24, 122.08 47.28 3.04 16
14 05/24/2020 04:37:04 -67.63, -69.87 133.34 05/24/2020 04:35:53 -67.70, -70.92 133.27 44.97 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/12/2020
SNOs_Map_NPP_TERRA_20200512.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/12/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service