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: 2/1/2020
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 02/02/2020 02:55:42 -68.77, -45.88 94.27 02/02/2020 02:56:54 -68.64, -45.22 94.43 30.25 72
2 02/02/2020 03:46:20 68.32, 122.01 85.26 02/02/2020 03:46:25 68.32, 122.03 85.25 1.00 5
3 02/02/2020 04:37:01 -68.18, -70.49 94.90 02/02/2020 04:35:55 -68.20, -70.47 94.87 2.70 66
4 02/04/2020 19:12:32 -68.43, 70.33 95.41 02/04/2020 19:13:31 -68.41, 70.36 95.44 2.40 59
5 02/04/2020 20:03:15 68.25,-122.13 84.40 02/04/2020 20:02:59 68.24,-122.19 84.40 2.64 16
6 02/04/2020 20:53:47 -67.62, 45.97 96.26 02/04/2020 20:52:37 -67.69, 44.80 96.15 50.06 70
7 02/07/2020 11:29:27 -68.35,-173.81 96.30 02/07/2020 11:30:05 -68.34,-173.87 96.32 3.15 38
8 02/07/2020 12:20:11 68.23, -6.35 83.57 02/07/2020 12:19:32 68.22, -6.35 83.56 1.18 39
9 02/10/2020 02:55:51 68.97, 133.82 83.51 02/10/2020 02:57:00 68.86, 135.01 83.35 49.15 69
10 02/10/2020 03:46:23 -68.34, -58.02 97.16 02/10/2020 03:46:38 -68.32, -58.02 97.19 2.45 15
11 02/10/2020 04:37:07 68.22, 109.44 82.71 02/10/2020 04:36:05 68.20, 109.48 82.69 2.97 62
12 02/12/2020 19:12:36 68.42,-109.68 82.06 02/12/2020 19:13:39 68.45,-109.64 82.07 3.19 63
13 02/12/2020 20:03:17 -68.27, 57.83 98.11 02/12/2020 20:03:10 -68.30, 57.81 98.09 2.56 7
14 02/12/2020 20:53:54 67.78,-134.24 81.37 02/12/2020 20:52:43 67.84,-135.08 81.47 35.56 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/1/2020
SNOs_Map_NPP_TERRA_20200201.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/01/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service