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: 11/25/2019
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 11/27/2019 10:39:15 -68.40,-161.22 90.61 11/27/2019 10:40:01 -68.39,-161.27 90.62 2.09 46
2 11/27/2019 11:29:59 68.26, 6.26 89.27 11/27/2019 11:29:28 68.27, 6.24 89.28 1.10 31
3 11/27/2019 12:20:22 -67.16, 174.91 91.81 11/27/2019 12:19:15 -67.22, 172.67 91.79 96.95 67
4 11/30/2019 02:05:41 69.23, 146.10 90.69 11/30/2019 02:06:49 69.11, 147.89 90.58 72.08 68
5 11/30/2019 02:56:08 -68.35, -45.40 90.18 11/30/2019 02:56:31 -68.34, -45.44 90.20 2.46 23
6 11/30/2019 03:46:52 68.22, 122.08 89.70 11/30/2019 03:45:58 68.22, 122.06 89.69 0.59 54
7 12/02/2019 18:22:20 68.45, -97.07 90.33 12/02/2019 18:23:30 68.44, -97.07 90.32 0.78 70
8 12/02/2019 19:13:01 -68.31, 70.43 89.81 12/02/2019 19:13:00 -68.34, 70.44 89.78 3.20 1
9 12/02/2019 20:03:42 68.03,-121.90 89.92 12/02/2019 20:02:30 68.06,-122.25 89.94 15.05 72
10 12/05/2019 10:39:13 68.42, 18.75 90.66 12/05/2019 10:39:59 68.44, 18.81 90.68 3.36 46
11 12/05/2019 11:29:54 -68.28,-173.75 89.48 12/05/2019 11:29:30 -68.28,-173.75 89.48 0.76 24
12 12/05/2019 12:20:20 67.18, -5.10 89.44 12/05/2019 12:19:13 67.26, -7.27 89.51 93.70 67
13 12/08/2019 02:05:39 -69.46, -34.21 87.99 12/08/2019 02:06:45 -69.38, -31.76 88.06 96.05 66
14 12/08/2019 02:56:05 68.38, 134.57 90.94 12/08/2019 02:56:28 68.37, 134.61 90.93 2.25 23
15 12/08/2019 03:46:46 -68.24, -57.93 89.20 12/08/2019 03:45:59 -68.22, -57.94 89.23 2.66 47

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 11/25/2019
SNOs_Map_NPP_TERRA_20191125.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 11/25/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service