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: 11/10/2019
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 11/11/2019 10:39:24 -68.41,-161.24 94.29 11/11/2019 10:40:03 -68.39,-161.27 94.31 2.08 39
2 11/11/2019 11:30:08 68.27, 6.24 85.59 11/11/2019 11:29:30 68.27, 6.24 85.58 0.38 38
3 11/14/2019 02:05:44 68.96, 146.48 86.97 11/14/2019 02:06:54 68.87, 147.57 86.89 45.04 70
4 11/14/2019 02:56:16 -68.35, -45.39 93.63 11/14/2019 02:56:31 -68.38, -45.40 93.60 3.31 15
5 11/14/2019 03:47:00 68.22, 122.08 86.25 11/14/2019 03:45:59 68.20, 122.03 86.23 2.76 61
6 11/16/2019 18:22:29 68.48, -97.11 87.18 11/16/2019 18:23:30 68.46, -97.05 87.16 3.27 61
7 11/16/2019 19:13:09 -68.29, 70.45 93.00 11/16/2019 19:13:01 -68.31, 70.40 92.99 2.66 8
8 11/16/2019 20:03:45 67.73,-121.54 86.46 11/16/2019 20:02:35 67.79,-122.56 86.50 43.57 70
9 11/19/2019 10:39:21 68.37, 18.80 87.72 11/19/2019 10:40:00 68.38, 18.74 87.73 2.58 39
10 11/19/2019 11:30:03 -68.29,-173.78 92.36 11/19/2019 11:29:30 -68.29,-173.74 92.36 1.73 33
11 11/22/2019 02:05:43 -69.14, -33.77 90.93 11/22/2019 02:06:52 -69.05, -32.20 91.01 63.28 69
12 11/22/2019 02:56:15 68.38, 134.56 88.32 11/22/2019 02:56:29 68.36, 134.60 88.31 2.27 14
13 11/22/2019 03:46:56 -68.24, -57.94 91.81 11/22/2019 03:46:00 -68.22, -57.94 91.84 2.61 56

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/10/2019
SNOs_Map_NPP_TERRA_20191110.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/10/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service