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: 12/9/2019
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 12/10/2019 18:22:17 -68.63, 82.71 88.56 12/10/2019 18:23:29 -68.54, 83.05 88.64 16.88 72
2 12/10/2019 19:12:58 68.34,-109.61 91.16 12/10/2019 19:12:58 68.33,-109.57 91.14 2.29 0
3 12/10/2019 20:03:39 -68.21, 57.88 88.97 12/10/2019 20:02:28 -68.22, 57.93 88.97 2.25 71
4 12/13/2019 10:39:07 -68.44,-161.27 88.54 12/13/2019 10:40:00 -68.42,-161.21 88.56 2.69 53
5 12/13/2019 11:29:50 68.26, 6.27 91.29 12/13/2019 11:29:28 68.26, 6.23 91.28 1.67 22
6 12/13/2019 12:20:19 -67.48, 174.56 89.50 12/13/2019 12:19:09 -67.54, 173.03 89.44 65.34 70
7 12/16/2019 02:55:59 -68.36, -45.38 88.47 12/16/2019 02:56:30 -68.36, -45.41 88.47 1.21 31
8 12/16/2019 03:46:43 68.24, 122.08 91.42 12/16/2019 03:45:57 68.24, 122.10 91.42 1.07 46
9 12/18/2019 18:22:14 68.69, -97.36 91.97 12/18/2019 18:23:25 68.61, -96.85 91.89 22.34 71
10 12/18/2019 19:12:51 -68.33, 70.42 88.40 12/18/2019 19:12:58 -68.34, 70.45 88.39 1.50 7
11 12/18/2019 20:03:34 68.16,-122.05 91.44 12/18/2019 20:02:26 68.17,-122.11 91.44 2.80 68
12 12/21/2019 10:39:02 68.40, 18.79 91.72 12/21/2019 10:39:57 68.42, 18.80 91.74 2.57 55
13 12/21/2019 11:29:43 -68.25,-173.70 88.43 12/21/2019 11:29:28 -68.26,-173.76 88.42 2.96 15
14 12/21/2019 12:20:15 67.49, -5.45 90.80 12/21/2019 12:19:06 67.53, -6.97 90.85 64.73 69

Figure of NPP and TERRA satellite orbits during SNOs since TLE Epoch: 12/9/2019
SNOs_Map_NPP_TERRA_20191209.jpg

Download SNOs between NPP and TERRA since TLE EPOCH: 12/09/2019 in txt file.

Historical Predictions of SNOs between NPP and TERRA

NCC Satellite Simultaneous Nadir Overpasses (SNOs) Prediction Service