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: 6/21/2020
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 06/22/2020 10:38:58 -69.08,-162.10 134.43 06/22/2020 10:40:07 -68.97,-160.52 134.57 63.91 69
2 06/22/2020 11:29:30 68.31, 6.24 44.79 06/22/2020 11:29:44 68.31, 6.30 44.77 2.62 14
3 06/22/2020 12:20:10 -68.13, 173.80 135.41 06/22/2020 12:19:15 -68.14, 173.74 135.39 3.00 55
4 06/25/2020 02:55:39 -68.37, -45.37 135.10 06/25/2020 02:56:47 -68.37, -45.39 135.11 0.80 68
5 06/25/2020 03:46:23 68.24, 122.10 44.77 06/25/2020 03:46:14 68.26, 122.12 44.78 1.59 9
6 06/25/2020 04:37:00 -67.89, -70.14 135.59 06/25/2020 04:35:47 -67.99, -70.56 135.49 20.63 73
7 06/27/2020 19:12:33 -68.36, 70.43 135.01 06/27/2020 19:13:17 -68.32, 70.44 135.05 3.39 44
8 06/27/2020 20:03:17 68.23,-122.10 44.86 06/27/2020 20:02:44 68.21,-122.06 44.84 3.28 33
9 06/30/2020 10:38:57 69.07, 17.93 45.88 06/30/2020 10:40:06 68.99, 19.50 45.76 63.31 69
10 06/30/2020 11:29:26 -68.29,-173.70 134.93 06/30/2020 11:29:47 -68.28,-173.74 134.94 1.91 21
11 06/30/2020 12:20:10 68.16, -6.24 44.95 06/30/2020 12:19:14 68.15, -6.24 44.94 1.27 56
12 07/03/2020 02:55:37 68.36, 134.66 45.35 07/03/2020 02:56:45 68.37, 134.63 45.35 1.82 68
13 07/03/2020 03:46:19 -68.27, -57.91 134.74 07/03/2020 03:46:15 -68.28, -57.85 134.74 2.51 4
14 07/03/2020 04:36:58 67.88, 109.89 44.86 07/03/2020 04:35:46 67.93, 109.38 44.93 21.92 72

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 6/21/2020
SNOs_Map_NPP_TERRA_20200621.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 06/21/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service