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: 2/3/2020
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 02/04/2020 19:12:31 -68.38, 70.39 95.45 02/04/2020 19:13:31 -68.39, 70.33 95.46 2.41 60
2 02/04/2020 20:03:15 68.26,-122.14 84.41 02/04/2020 20:02:58 68.29,-122.15 84.44 3.07 17
3 02/04/2020 20:53:47 -67.63, 45.95 96.25 02/04/2020 20:52:37 -67.67, 44.78 96.17 50.07 70
4 02/07/2020 11:29:27 -68.36,-173.82 96.29 02/07/2020 11:30:04 -68.37,-173.83 96.29 0.52 37
5 02/07/2020 12:20:11 68.24, -6.35 83.58 02/07/2020 12:19:31 68.26, -6.31 83.60 2.57 40
6 02/10/2020 02:55:50 68.92, 133.89 83.46 02/10/2020 02:57:00 68.83, 134.97 83.32 44.69 70
7 02/10/2020 03:46:23 -68.35, -58.03 97.15 02/10/2020 03:46:37 -68.34, -58.00 97.17 1.74 14
8 02/10/2020 04:37:06 68.17, 109.50 82.66 02/10/2020 04:36:05 68.17, 109.45 82.66 2.18 61
9 02/12/2020 19:12:36 68.43,-109.69 82.07 02/12/2020 19:13:39 68.40,-109.69 82.03 2.71 63
10 02/12/2020 20:03:17 -68.28, 57.82 98.10 02/12/2020 20:03:09 -68.31, 57.83 98.08 2.96 8
11 02/12/2020 20:53:54 67.78,-134.25 81.38 02/12/2020 20:52:42 67.85,-135.06 81.48 34.94 72
12 02/15/2020 11:29:31 68.36, 6.16 81.10 02/15/2020 11:30:12 68.36, 6.12 81.08 1.66 41
13 02/15/2020 12:20:13 -68.27, 173.60 99.02 02/15/2020 12:19:42 -68.27, 173.64 99.02 1.90 31

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 2/3/2020
SNOs_Map_NPP_TERRA_20200203.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 02/03/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service