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: 5/9/2020
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 05/10/2020 19:12:44 -68.30, 70.41 129.71 05/10/2020 19:13:20 -68.28, 70.35 129.73 3.38 36
2 05/10/2020 20:03:28 68.18,-122.12 50.16 05/10/2020 20:02:47 68.17,-122.13 50.15 1.15 41
3 05/13/2020 10:39:04 68.77, 18.25 50.11 05/13/2020 10:40:14 68.67, 19.07 50.00 35.26 70
4 05/13/2020 11:29:38 -68.25,-173.75 130.43 05/13/2020 11:29:49 -68.28,-173.77 130.40 3.34 11
5 05/13/2020 12:20:22 68.14, -6.29 49.45 05/13/2020 12:19:17 68.11, -6.32 49.42 2.83 65
6 05/16/2020 02:55:51 68.36, 134.57 49.06 05/16/2020 02:56:48 68.38, 134.60 49.08 2.82 57
7 05/16/2020 03:46:32 -68.21, -57.92 131.11 05/16/2020 03:46:19 -68.22, -57.96 131.09 2.33 13
8 05/16/2020 04:37:05 67.50, 110.27 48.18 05/16/2020 04:35:56 67.54, 108.90 48.23 58.30 69
9 05/18/2020 19:12:44 68.31,-109.60 48.42 05/18/2020 19:13:17 68.31,-109.60 48.41 0.71 33
10 05/18/2020 20:03:26 -68.22, 57.85 131.69 05/18/2020 20:02:47 -68.21, 57.91 131.70 2.82 39
11 05/21/2020 10:39:03 -68.86,-161.86 131.57 05/21/2020 10:40:13 -68.74,-160.83 131.70 43.37 70
12 05/21/2020 11:29:38 68.28, 6.23 47.83 05/21/2020 11:29:46 68.29, 6.25 47.84 1.74 8
13 05/21/2020 12:20:19 -68.12, 173.74 132.34 05/21/2020 12:19:17 -68.14, 173.71 132.32 2.15 62

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/9/2020
SNOs_Map_NPP_TERRA_20200509.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/09/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service