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: 9/23/2019
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 09/24/2019 09:49:14 69.48, 29.93 69.80 09/24/2019 09:50:20 69.37, 32.30 69.70 93.30 66
2 09/24/2019 10:39:38 -68.42,-161.31 111.25 09/24/2019 10:40:05 -68.42,-161.26 111.26 1.79 27
3 09/24/2019 11:30:21 68.25, 6.23 68.59 09/24/2019 11:29:33 68.26, 6.19 68.60 1.89 48
4 09/27/2019 02:05:53 68.62, 146.89 69.98 09/27/2019 02:07:03 68.60, 147.19 69.96 12.65 70
5 09/27/2019 02:56:32 -68.37, -45.46 110.26 09/27/2019 02:56:35 -68.38, -45.44 110.26 0.94 3
6 09/27/2019 03:47:15 68.20, 122.07 69.59 09/27/2019 03:46:03 68.21, 122.00 69.59 2.88 72
7 09/29/2019 18:22:45 68.47, -97.13 70.87 09/29/2019 18:23:34 68.49, -97.07 70.89 3.26 49
8 09/29/2019 19:13:26 -68.32, 70.38 109.27 09/29/2019 19:13:05 -68.33, 70.37 109.27 0.82 21
9 09/29/2019 20:03:54 67.34,-121.10 69.78 09/29/2019 20:02:47 67.37,-123.08 69.79 85.06 67
10 10/02/2019 10:39:39 68.42, 18.71 71.86 10/02/2019 10:40:04 68.43, 18.74 71.87 1.56 25
11 10/02/2019 11:30:20 -68.27,-173.78 108.28 10/02/2019 11:29:35 -68.27,-173.82 108.28 1.55 45
12 10/05/2019 02:05:52 -68.70, -33.19 106.84 10/05/2019 02:07:03 -68.65, -32.75 106.88 18.30 71
13 10/05/2019 02:56:32 68.37, 134.54 72.85 10/05/2019 02:56:33 68.37, 134.54 72.84 0.72 1
14 10/05/2019 03:47:14 -68.27, -58.01 107.24 10/05/2019 03:46:03 -68.27, -57.94 107.25 2.87 71

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 9/23/2019
SNOs_Map_NPP_TERRA_20190923.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 09/23/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service