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: 11/1/2017
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 11/02/2017 18:22:55 -68.47, 82.85 96.65 11/02/2017 18:24:04 -68.47, 82.91 96.64 2.45 69
2 11/02/2017 19:13:38 68.28,-109.60 83.18 11/02/2017 19:13:32 68.30,-109.66 83.20 2.88 6
3 11/02/2017 20:04:17 -68.05, 58.02 97.04 11/02/2017 20:03:04 -68.09, 57.73 97.01 12.85 73
4 11/05/2017 10:39:48 -68.37,-161.25 95.92 11/05/2017 10:40:35 -68.39,-161.31 95.90 3.27 47
5 11/05/2017 11:30:33 68.29, 6.16 84.02 11/05/2017 11:30:02 68.27, 6.19 83.99 3.20 31
6 11/05/2017 12:20:56 -67.19, 174.82 97.05 11/05/2017 12:19:49 -67.22, 172.62 97.07 94.72 67
7 11/08/2017 02:06:15 69.21, 146.07 85.70 11/08/2017 02:07:23 69.12, 147.85 85.64 71.42 68
8 11/08/2017 02:56:43 -68.38, -45.49 95.12 11/08/2017 02:57:05 -68.36, -45.47 95.14 2.44 22
9 11/08/2017 03:47:27 68.25, 121.98 84.77 11/08/2017 03:46:32 68.23, 122.03 84.75 3.03 55
10 11/10/2017 18:22:55 68.42, -97.10 85.68 11/10/2017 18:24:05 68.42, -97.15 85.67 1.86 70
11 11/10/2017 19:13:37 -68.34, 70.33 94.40 11/10/2017 19:13:35 -68.33, 70.38 94.42 2.31 2
12 11/10/2017 20:04:17 68.00,-121.94 85.28 11/10/2017 20:03:05 68.03,-122.33 85.30 16.72 72
13 11/13/2017 10:39:48 68.39, 18.71 86.37 11/13/2017 10:40:34 68.38, 18.69 86.36 1.14 46
14 11/13/2017 11:30:29 -68.25,-173.79 93.77 11/13/2017 11:30:05 -68.24,-173.85 93.79 2.79 24
15 11/13/2017 12:20:55 67.15, -5.15 85.17 11/13/2017 12:19:48 67.21, -7.38 85.18 96.44 67

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/1/2017
SNOs_Map_NPP_TERRA_20171102.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/01/2017 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service