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: 9/19/2019
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 09/21/2019 18:22:44 -68.44, 82.90 112.28 09/21/2019 18:23:36 -68.46, 82.91 112.26 2.91 52
2 09/21/2019 19:13:28 68.32,-109.64 67.62 09/21/2019 19:13:04 68.29,-109.65 67.59 2.77 24
3 09/21/2019 20:03:55 -67.42, 58.80 113.27 09/21/2019 20:02:47 -67.46, 57.02 113.24 75.81 68
4 09/24/2019 09:49:15 69.49, 29.91 69.81 09/24/2019 09:50:21 69.36, 32.28 69.69 93.90 66
5 09/24/2019 10:39:39 -68.43,-161.32 111.24 09/24/2019 10:40:06 -68.42,-161.27 111.26 2.61 27
6 09/24/2019 11:30:22 68.27, 6.21 68.61 09/24/2019 11:29:34 68.25, 6.17 68.59 2.35 48
7 09/27/2019 02:05:52 68.59, 146.94 69.94 09/27/2019 02:07:04 68.53, 147.11 69.89 9.20 72
8 09/27/2019 02:56:32 -68.38, -45.48 110.25 09/27/2019 02:56:35 -68.38, -45.45 110.26 1.34 3
9 09/27/2019 03:47:15 68.22, 122.05 69.60 09/27/2019 03:46:03 68.20, 121.99 69.58 2.88 72
10 09/29/2019 18:22:44 68.43, -97.08 70.83 09/29/2019 18:23:35 68.42, -97.15 70.82 2.78 51
11 09/29/2019 19:13:26 -68.33, 70.37 109.26 09/29/2019 19:13:05 -68.33, 70.37 109.27 0.54 21
12 09/29/2019 20:03:54 67.36,-121.12 69.80 09/29/2019 20:02:46 67.42,-123.03 69.84 82.09 68
13 10/02/2019 10:39:39 68.44, 18.69 71.88 10/02/2019 10:40:04 68.42, 18.73 71.87 2.31 25
14 10/02/2019 11:30:20 -68.28,-173.80 108.27 10/02/2019 11:29:35 -68.27,-173.82 108.28 1.38 45

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/19/2019
SNOs_Map_NPP_TERRA_20190919.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/19/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service