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: 11/4/2017
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 11/05/2017 10:39:49 -68.43,-161.32 95.87 11/05/2017 10:40:34 -68.43,-161.26 95.86 2.63 45
2 11/05/2017 11:30:32 68.24, 6.22 83.97 11/05/2017 11:30:02 68.26, 6.18 83.98 2.84 30
3 11/05/2017 12:20:56 -67.20, 174.82 97.05 11/05/2017 12:19:49 -67.21, 172.61 97.09 95.23 67
4 11/08/2017 02:06:15 69.21, 146.07 85.69 11/08/2017 02:07:23 69.10, 147.84 85.62 70.95 68
5 11/08/2017 02:56:42 -68.33, -45.43 95.17 11/08/2017 02:57:05 -68.33, -45.49 95.17 2.84 23
6 11/08/2017 03:47:26 68.20, 122.05 84.72 11/08/2017 03:46:32 68.22, 122.01 84.73 2.60 54
7 11/10/2017 18:22:55 68.42, -97.10 85.67 11/10/2017 18:24:04 68.44, -97.11 85.70 2.59 69
8 11/10/2017 19:13:36 -68.28, 70.40 94.46 11/10/2017 19:13:35 -68.29, 70.33 94.46 2.72 1
9 11/10/2017 20:04:17 68.00,-121.93 85.28 11/10/2017 20:03:04 68.06,-122.30 85.32 16.58 73
10 11/13/2017 10:39:48 68.38, 18.72 86.36 11/13/2017 10:40:33 68.39, 18.70 86.36 0.86 45
11 11/13/2017 11:30:29 -68.24,-173.78 93.78 11/13/2017 11:30:04 -68.24,-173.85 93.79 2.82 25
12 11/16/2017 02:06:15 -69.37, -34.16 92.00 11/16/2017 02:07:22 -69.23, -32.00 92.11 86.15 67
13 11/16/2017 02:56:42 68.35, 134.53 87.01 11/16/2017 02:57:03 68.33, 134.51 86.99 2.30 21
14 11/16/2017 03:47:23 -68.20, -57.96 93.13 11/16/2017 03:46:33 -68.23, -57.97 93.11 3.50 50

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/4/2017
SNOs_Map_NPP_TERRA_20171104.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/04/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service