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: 1/25/2019
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 01/27/2019 10:39:28 -68.36,-161.27 93.23 01/27/2019 10:40:26 -68.38,-161.26 93.21 2.70 58
2 01/27/2019 11:30:12 68.24, 6.20 86.64 01/27/2019 11:29:54 68.22, 6.19 86.62 2.11 18
3 01/27/2019 12:20:43 -67.56, 174.36 94.07 01/27/2019 12:19:33 -67.60, 173.11 93.98 53.33 70
4 01/30/2019 02:56:22 -68.35, -45.48 93.95 01/30/2019 02:56:55 -68.33, -45.44 93.97 2.20 33
5 01/30/2019 03:47:05 68.17, 122.05 85.87 01/30/2019 03:46:23 68.16, 122.00 85.87 2.29 42
6 02/01/2019 18:22:39 68.70, -97.48 85.69 02/01/2019 18:23:50 68.60, -96.86 85.56 27.26 71
7 02/01/2019 19:13:15 -68.28, 70.38 94.75 02/01/2019 19:13:24 -68.27, 70.37 94.77 1.20 9
8 02/01/2019 20:03:59 68.17,-122.17 85.12 02/01/2019 20:02:51 68.16,-122.12 85.11 2.16 68
9 02/04/2019 10:39:26 68.37, 18.72 84.57 02/04/2019 10:40:21 68.36, 18.73 84.55 1.04 55
10 02/04/2019 11:30:07 -68.23,-173.78 95.60 02/04/2019 11:29:52 -68.21,-173.82 95.61 2.83 15
11 02/04/2019 12:20:39 67.46, -5.52 83.61 02/04/2019 12:19:29 67.52, -6.96 83.72 61.85 70
12 02/07/2019 02:56:19 68.32, 134.56 83.70 02/07/2019 02:56:49 68.34, 134.59 83.72 2.76 30
13 02/07/2019 03:47:00 -68.17, -57.93 96.47 02/07/2019 03:46:20 -68.19, -57.96 96.45 2.38 40

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/25/2019
SNOs_Map_NPP_TERRA_20190125.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/25/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service