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: 5/8/2020
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 19:13:19 -68.33, 70.42 129.68 3.29 35
2 05/10/2020 20:03:28 68.18,-122.13 50.16 05/10/2020 20:02:47 68.17,-122.14 50.15 2.01 41
3 05/13/2020 10:39:04 68.78, 18.24 50.11 05/13/2020 10:40:14 68.66, 19.06 49.99 35.56 70
4 05/13/2020 11:29:38 -68.26,-173.75 130.43 05/13/2020 11:29:49 -68.28,-173.77 130.41 2.57 11
5 05/13/2020 12:20:22 68.14, -6.30 49.45 05/13/2020 12:19:16 68.16, -6.26 49.47 3.00 66
6 05/16/2020 02:55:51 68.36, 134.57 49.06 05/16/2020 02:56:48 68.37, 134.59 49.07 1.72 57
7 05/16/2020 03:46:32 -68.21, -57.92 131.10 05/16/2020 03:46:19 -68.21, -57.96 131.10 1.95 13
8 05/16/2020 04:37:05 67.50, 110.27 48.18 05/16/2020 04:35:55 67.59, 108.96 48.27 56.38 70
9 05/18/2020 19:12:44 68.32,-109.60 48.42 05/18/2020 19:13:17 68.30,-109.61 48.40 1.98 33
10 05/18/2020 20:03:26 -68.22, 57.84 131.69 05/18/2020 20:02:47 -68.20, 57.90 131.71 3.11 39
11 05/21/2020 10:39:03 -68.87,-161.86 131.57 05/21/2020 10:40:13 -68.73,-160.84 131.71 43.50 70
12 05/21/2020 11:29:38 68.28, 6.22 47.83 05/21/2020 11:29:46 68.28, 6.24 47.83 0.90 8
13 05/21/2020 12:20:19 -68.12, 173.74 132.33 05/21/2020 12:19:17 -68.13, 173.70 132.33 1.78 62

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 5/8/2020
SNOs_Map_NPP_TERRA_20200508.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 05/08/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service