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: 1/29/2018
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 01/29/2018 18:22:36 69.40, -98.39 87.19 01/29/2018 18:23:42 69.27, -96.01 86.98 94.60 66
2 01/29/2018 19:12:59 -68.31, 70.41 93.96 01/29/2018 19:13:27 -68.33, 70.45 93.94 2.80 28
3 01/29/2018 20:03:43 68.18,-122.11 85.90 01/29/2018 20:02:55 68.16,-122.11 85.89 1.65 48
4 02/01/2018 10:39:13 68.58, 18.51 85.59 02/01/2018 10:40:25 68.51, 18.90 85.50 17.84 72
5 02/01/2018 11:29:50 -68.24,-173.72 94.78 02/01/2018 11:29:58 -68.24,-173.79 94.78 2.70 8
6 02/01/2018 12:20:34 68.11, -6.25 85.08 02/01/2018 12:19:25 68.13, -6.28 85.11 2.48 69
7 02/04/2018 02:56:02 68.35, 134.59 84.58 02/04/2018 02:56:59 68.35, 134.57 84.56 1.16 57
8 02/04/2018 03:46:43 -68.22, -57.92 95.57 02/04/2018 03:46:29 -68.25, -57.91 95.55 2.91 14
9 02/04/2018 04:37:16 67.50, 110.28 83.67 02/04/2018 04:36:06 67.57, 108.95 83.79 57.23 70
10 02/06/2018 19:12:55 68.34,-109.61 83.75 02/06/2018 19:13:31 68.33,-109.57 83.74 1.84 36
11 02/06/2018 20:03:36 -68.21, 57.87 96.40 02/06/2018 20:03:02 -68.19, 57.88 96.42 2.57 34
12 02/09/2018 10:39:17 -69.15,-162.23 96.25 02/09/2018 10:40:26 -69.04,-160.47 96.42 70.53 69
13 02/09/2018 11:29:47 68.27, 6.25 82.84 02/09/2018 11:30:05 68.25, 6.20 82.81 3.29 18
14 02/09/2018 12:20:28 -68.14, 173.74 97.32 02/09/2018 12:19:35 -68.16, 173.72 97.29 2.54 53

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 1/29/2018
SNOs_Map_NPP_TERRA_20180129.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 01/29/2018 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service