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: 3/9/2020
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 03/10/2020 11:29:36 -68.33,-173.84 107.92 03/10/2020 11:30:20 -68.34,-173.87 107.91 1.81 44
2 03/10/2020 12:20:20 68.19, -6.36 71.93 03/10/2020 12:19:47 68.22, -6.36 71.96 3.38 33
3 03/13/2020 02:56:01 69.00, 133.71 71.74 03/13/2020 02:57:10 68.90, 135.07 71.59 55.51 69
4 03/13/2020 03:46:31 -68.28, -58.01 109.03 03/13/2020 03:46:49 -68.29, -58.04 109.02 1.86 18
5 03/13/2020 04:37:15 68.15, 109.47 70.83 03/13/2020 04:36:16 68.17, 109.46 70.86 2.81 59
6 03/15/2020 19:12:45 68.37,-109.67 70.02 03/15/2020 19:13:47 68.40,-109.66 70.04 3.04 62
7 03/15/2020 20:03:26 -68.24, 57.82 110.13 03/15/2020 20:03:18 -68.25, 57.79 110.12 1.54 8
8 03/15/2020 20:54:02 67.67,-134.17 69.28 03/15/2020 20:52:51 67.78,-135.10 69.42 41.09 71
9 03/18/2020 11:29:40 68.33, 6.15 68.92 03/18/2020 11:30:16 68.34, 6.16 68.92 1.42 36
10 03/18/2020 12:20:21 -68.19, 173.64 111.24 03/18/2020 12:19:47 -68.19, 173.62 111.24 1.03 34
11 03/21/2020 02:56:00 -68.95, -46.21 111.50 03/21/2020 02:57:10 -68.80, -45.03 111.68 50.12 70
12 03/21/2020 03:46:34 68.29, 121.97 67.81 03/21/2020 03:46:44 68.28, 121.98 67.80 1.03 10
13 03/21/2020 04:37:15 -68.15, -70.54 112.35 03/21/2020 04:36:15 -68.14, -70.56 112.36 1.67 60

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 3/9/2020
SNOs_Map_NPP_TERRA_20200309.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 03/09/2020 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service